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Open Source and information security mailing list archives
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Date: Wed, 17 Feb 2016 12:38:16 -0800
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 3.14.61
diff --git a/Makefile b/Makefile
index 502255cebc9a..fbf4ec689957 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 14
-SUBLEVEL = 60
+SUBLEVEL = 61
EXTRAVERSION =
NAME = Remembering Coco
diff --git a/arch/parisc/include/uapi/asm/mman.h b/arch/parisc/include/uapi/asm/mman.h
index 294d251ca7b2..2ae13ce592e8 100644
--- a/arch/parisc/include/uapi/asm/mman.h
+++ b/arch/parisc/include/uapi/asm/mman.h
@@ -46,16 +46,6 @@
#define MADV_DONTFORK 10 /* don't inherit across fork */
#define MADV_DOFORK 11 /* do inherit across fork */
-/* The range 12-64 is reserved for page size specification. */
-#define MADV_4K_PAGES 12 /* Use 4K pages */
-#define MADV_16K_PAGES 14 /* Use 16K pages */
-#define MADV_64K_PAGES 16 /* Use 64K pages */
-#define MADV_256K_PAGES 18 /* Use 256K pages */
-#define MADV_1M_PAGES 20 /* Use 1 Megabyte pages */
-#define MADV_4M_PAGES 22 /* Use 4 Megabyte pages */
-#define MADV_16M_PAGES 24 /* Use 16 Megabyte pages */
-#define MADV_64M_PAGES 26 /* Use 64 Megabyte pages */
-
#define MADV_MERGEABLE 65 /* KSM may merge identical pages */
#define MADV_UNMERGEABLE 66 /* KSM may not merge identical pages */
diff --git a/arch/parisc/include/uapi/asm/siginfo.h b/arch/parisc/include/uapi/asm/siginfo.h
index d7034728f377..1c75565d984b 100644
--- a/arch/parisc/include/uapi/asm/siginfo.h
+++ b/arch/parisc/include/uapi/asm/siginfo.h
@@ -1,6 +1,10 @@
#ifndef _PARISC_SIGINFO_H
#define _PARISC_SIGINFO_H
+#if defined(__LP64__)
+#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
+#endif
+
#include <asm-generic/siginfo.h>
#undef NSIGTRAP
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 1cba8f29bb49..78bb6dd88e03 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -442,6 +442,55 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
regs->gr[28]);
}
+/*
+ * Check how the syscall number gets loaded into %r20 within
+ * the delay branch in userspace and adjust as needed.
+ */
+
+static void check_syscallno_in_delay_branch(struct pt_regs *regs)
+{
+ u32 opcode, source_reg;
+ u32 __user *uaddr;
+ int err;
+
+ /* Usually we don't have to restore %r20 (the system call number)
+ * because it gets loaded in the delay slot of the branch external
+ * instruction via the ldi instruction.
+ * In some cases a register-to-register copy instruction might have
+ * been used instead, in which case we need to copy the syscall
+ * number into the source register before returning to userspace.
+ */
+
+ /* A syscall is just a branch, so all we have to do is fiddle the
+ * return pointer so that the ble instruction gets executed again.
+ */
+ regs->gr[31] -= 8; /* delayed branching */
+
+ /* Get assembler opcode of code in delay branch */
+ uaddr = (unsigned int *) ((regs->gr[31] & ~3) + 4);
+ err = get_user(opcode, uaddr);
+ if (err)
+ return;
+
+ /* Check if delay branch uses "ldi int,%r20" */
+ if ((opcode & 0xffff0000) == 0x34140000)
+ return; /* everything ok, just return */
+
+ /* Check if delay branch uses "nop" */
+ if (opcode == INSN_NOP)
+ return;
+
+ /* Check if delay branch uses "copy %rX,%r20" */
+ if ((opcode & 0xffe0ffff) == 0x08000254) {
+ source_reg = (opcode >> 16) & 31;
+ regs->gr[source_reg] = regs->gr[20];
+ return;
+ }
+
+ pr_warn("syscall restart: %s (pid %d): unexpected opcode 0x%08x\n",
+ current->comm, task_pid_nr(current), opcode);
+}
+
static inline void
syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
{
@@ -464,10 +513,7 @@ syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
}
/* fallthrough */
case -ERESTARTNOINTR:
- /* A syscall is just a branch, so all
- * we have to do is fiddle the return pointer.
- */
- regs->gr[31] -= 8; /* delayed branching */
+ check_syscallno_in_delay_branch(regs);
break;
}
}
@@ -516,15 +562,9 @@ insert_restart_trampoline(struct pt_regs *regs)
}
case -ERESTARTNOHAND:
case -ERESTARTSYS:
- case -ERESTARTNOINTR: {
- /* Hooray for delayed branching. We don't
- * have to restore %r20 (the system call
- * number) because it gets loaded in the delay
- * slot of the branch external instruction.
- */
- regs->gr[31] -= 8;
+ case -ERESTARTNOINTR:
+ check_syscallno_in_delay_branch(regs);
return;
- }
default:
break;
}
diff --git a/arch/sh/include/uapi/asm/unistd_64.h b/arch/sh/include/uapi/asm/unistd_64.h
index e6820c86e8c7..47ebd5b5ed55 100644
--- a/arch/sh/include/uapi/asm/unistd_64.h
+++ b/arch/sh/include/uapi/asm/unistd_64.h
@@ -278,7 +278,7 @@
#define __NR_fsetxattr 256
#define __NR_getxattr 257
#define __NR_lgetxattr 258
-#define __NR_fgetxattr 269
+#define __NR_fgetxattr 259
#define __NR_listxattr 260
#define __NR_llistxattr 261
#define __NR_flistxattr 262
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 1de4beeb25f8..1971f3ccb09a 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -125,6 +125,23 @@ int af_alg_release(struct socket *sock)
}
EXPORT_SYMBOL_GPL(af_alg_release);
+void af_alg_release_parent(struct sock *sk)
+{
+ struct alg_sock *ask = alg_sk(sk);
+ bool last;
+
+ sk = ask->parent;
+ ask = alg_sk(sk);
+
+ lock_sock(sk);
+ last = !--ask->refcnt;
+ release_sock(sk);
+
+ if (last)
+ sock_put(sk);
+}
+EXPORT_SYMBOL_GPL(af_alg_release_parent);
+
static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
{
struct sock *sk = sock->sk;
@@ -132,6 +149,7 @@ static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
struct sockaddr_alg *sa = (void *)uaddr;
const struct af_alg_type *type;
void *private;
+ int err;
if (sock->state == SS_CONNECTED)
return -EINVAL;
@@ -157,16 +175,22 @@ static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
return PTR_ERR(private);
}
+ err = -EBUSY;
lock_sock(sk);
+ if (ask->refcnt)
+ goto unlock;
swap(ask->type, type);
swap(ask->private, private);
+ err = 0;
+
+unlock:
release_sock(sk);
alg_do_release(type, private);
- return 0;
+ return err;
}
static int alg_setkey(struct sock *sk, char __user *ukey,
@@ -199,11 +223,15 @@ static int alg_setsockopt(struct socket *sock, int level, int optname,
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
const struct af_alg_type *type;
- int err = -ENOPROTOOPT;
+ int err = -EBUSY;
lock_sock(sk);
+ if (ask->refcnt)
+ goto unlock;
+
type = ask->type;
+ err = -ENOPROTOOPT;
if (level != SOL_ALG || !type)
goto unlock;
@@ -247,14 +275,13 @@ int af_alg_accept(struct sock *sk, struct socket *newsock)
security_sk_clone(sk, sk2);
err = type->accept(ask->private, sk2);
- if (err) {
- sk_free(sk2);
+ if (err)
goto unlock;
- }
sk2->sk_family = PF_ALG;
- sock_hold(sk);
+ if (!ask->refcnt++)
+ sock_hold(sk);
alg_sk(sk2)->parent = sk;
alg_sk(sk2)->type = type;
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index 850246206b12..c542c0d88afd 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -51,7 +51,8 @@ static int hash_sendmsg(struct kiocb *unused, struct socket *sock,
lock_sock(sk);
if (!ctx->more) {
- err = crypto_ahash_init(&ctx->req);
+ err = af_alg_wait_for_completion(crypto_ahash_init(&ctx->req),
+ &ctx->completion);
if (err)
goto unlock;
}
@@ -131,6 +132,7 @@ static ssize_t hash_sendpage(struct socket *sock, struct page *page,
} else {
if (!ctx->more) {
err = crypto_ahash_init(&ctx->req);
+ err = af_alg_wait_for_completion(err, &ctx->completion);
if (err)
goto unlock;
}
@@ -192,9 +194,14 @@ static int hash_accept(struct socket *sock, struct socket *newsock, int flags)
struct sock *sk2;
struct alg_sock *ask2;
struct hash_ctx *ctx2;
+ bool more;
int err;
- err = crypto_ahash_export(req, state);
+ lock_sock(sk);
+ more = ctx->more;
+ err = more ? crypto_ahash_export(req, state) : 0;
+ release_sock(sk);
+
if (err)
return err;
@@ -205,7 +212,10 @@ static int hash_accept(struct socket *sock, struct socket *newsock, int flags)
sk2 = newsock->sk;
ask2 = alg_sk(sk2);
ctx2 = ask2->private;
- ctx2->more = 1;
+ ctx2->more = more;
+
+ if (!more)
+ return err;
err = crypto_ahash_import(&ctx2->req, state);
if (err) {
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index c7666f401381..a3dfc0d83107 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -477,6 +477,7 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (link->dump == NULL)
return -EINVAL;
+ down_read(&crypto_alg_sem);
list_for_each_entry(alg, &crypto_alg_list, cra_list)
dump_alloc += CRYPTO_REPORT_MAXSIZE;
@@ -486,8 +487,11 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
.done = link->done,
.min_dump_alloc = dump_alloc,
};
- return netlink_dump_start(crypto_nlsk, skb, nlh, &c);
+ err = netlink_dump_start(crypto_nlsk, skb, nlh, &c);
}
+ up_read(&crypto_alg_sem);
+
+ return err;
}
err = nlmsg_parse(nlh, crypto_msg_min[type], attrs, CRYPTOCFGA_MAX,
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index cc5f102bebf3..111614b48f96 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -249,6 +249,26 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
+ { PCI_VDEVICE(INTEL, 0x19b0), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19b1), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19b2), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19b3), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19b4), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19b5), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19b6), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19b7), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19bE), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19bF), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19c0), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19c1), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19c2), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19c3), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19c4), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19c5), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19c6), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19c7), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19cE), board_ahci }, /* DNV AHCI */
+ { PCI_VDEVICE(INTEL, 0x19cF), board_ahci }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
{ PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
{ PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index b65d79cd43d5..8b24a7bb573b 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -487,8 +487,8 @@ void ahci_save_initial_config(struct device *dev,
}
}
- /* fabricate port_map from cap.nr_ports */
- if (!port_map) {
+ /* fabricate port_map from cap.nr_ports for < AHCI 1.3 */
+ if (!port_map && vers < 0x10300) {
port_map = (1 << ahci_nr_ports(cap)) - 1;
dev_warn(dev, "forcing PORTS_IMPL to 0x%x\n", port_map);
@@ -1253,6 +1253,15 @@ static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp,
ata_tf_to_fis(tf, pmp, is_cmd, fis);
ahci_fill_cmd_slot(pp, 0, cmd_fis_len | flags | (pmp << 12));
+ /* set port value for softreset of Port Multiplier */
+ if (pp->fbs_enabled && pp->fbs_last_dev != pmp) {
+ tmp = readl(port_mmio + PORT_FBS);
+ tmp &= ~(PORT_FBS_DEV_MASK | PORT_FBS_DEC);
+ tmp |= pmp << PORT_FBS_DEV_OFFSET;
+ writel(tmp, port_mmio + PORT_FBS);
+ pp->fbs_last_dev = pmp;
+ }
+
/* issue & wait */
writel(1, port_mmio + PORT_CMD_ISSUE);
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index bece691cb5d9..3e2a3059b1f8 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -311,6 +311,10 @@ static int memory_subsys_offline(struct device *dev)
if (mem->state == MEM_OFFLINE)
return 0;
+ /* Can't offline block with non-present sections */
+ if (mem->section_count != sections_per_block)
+ return -EINVAL;
+
return memory_block_change_state(mem, MEM_OFFLINE, MEM_ONLINE);
}
diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
index 643bba7d6f81..9eab751efeea 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.c
+++ b/drivers/char/tpm/tpm_ibmvtpm.c
@@ -490,7 +490,7 @@ static void ibmvtpm_crq_process(struct ibmvtpm_crq *crq,
}
ibmvtpm->rtce_size = be16_to_cpu(crq->len);
ibmvtpm->rtce_buf = kmalloc(ibmvtpm->rtce_size,
- GFP_KERNEL);
+ GFP_ATOMIC);
if (!ibmvtpm->rtce_buf) {
dev_err(ibmvtpm->dev, "Failed to allocate memory for rtce buffer\n");
return;
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index deabd2c8772d..ced6d61c1787 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -492,8 +492,6 @@ static void hid_ctrl(struct urb *urb)
struct usbhid_device *usbhid = hid->driver_data;
int unplug = 0, status = urb->status;
- spin_lock(&usbhid->lock);
-
switch (status) {
case 0: /* success */
if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN)
@@ -513,6 +511,8 @@ static void hid_ctrl(struct urb *urb)
hid_warn(urb->dev, "ctrl urb status %d received\n", status);
}
+ spin_lock(&usbhid->lock);
+
if (unplug) {
usbhid->ctrltail = usbhid->ctrlhead;
} else {
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 422a9fdeb53e..6eb9dc9ef8f3 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1626,11 +1626,8 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd,
/*
* Only pass ioctls through if the device sizes match exactly.
*/
- if (!bdev || ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) {
- int err = scsi_verify_blk_ioctl(NULL, cmd);
- if (err)
- r = err;
- }
+ if (!r && ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT)
+ r = scsi_verify_blk_ioctl(NULL, cmd);
if (r == -ENOTCONN && !fatal_signal_pending(current))
queue_work(kmultipathd, &m->process_queued_ios);
diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c
index d6e47033b5e0..7ba85e2b146b 100644
--- a/drivers/md/persistent-data/dm-btree.c
+++ b/drivers/md/persistent-data/dm-btree.c
@@ -471,8 +471,10 @@ static int btree_split_sibling(struct shadow_spine *s, dm_block_t root,
r = insert_at(sizeof(__le64), pn, parent_index + 1,
le64_to_cpu(rn->keys[0]), &location);
- if (r)
+ if (r) {
+ unlock_block(s->info, right);
return r;
+ }
if (key < le64_to_cpu(rn->keys[0])) {
unlock_block(s->info, right);
diff --git a/drivers/media/pci/saa7134/saa7134-alsa.c b/drivers/media/pci/saa7134/saa7134-alsa.c
index dd67c8a400cc..6bac4a53da1d 100644
--- a/drivers/media/pci/saa7134/saa7134-alsa.c
+++ b/drivers/media/pci/saa7134/saa7134-alsa.c
@@ -1145,6 +1145,8 @@ static int alsa_device_init(struct saa7134_dev *dev)
static int alsa_device_exit(struct saa7134_dev *dev)
{
+ if (!snd_saa7134_cards[dev->nr])
+ return 1;
snd_card_free(snd_saa7134_cards[dev->nr]);
snd_saa7134_cards[dev->nr] = NULL;
@@ -1194,7 +1196,8 @@ static void saa7134_alsa_exit(void)
int idx;
for (idx = 0; idx < SNDRV_CARDS; idx++) {
- snd_card_free(snd_saa7134_cards[idx]);
+ if (snd_saa7134_cards[idx])
+ snd_card_free(snd_saa7134_cards[idx]);
}
saa7134_dmasound_init = NULL;
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index fca336b65351..2bece37d0228 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -264,7 +264,7 @@ static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_
struct v4l2_standard32 {
__u32 index;
- __u32 id[2]; /* __u64 would get the alignment wrong */
+ compat_u64 id;
__u8 name[24];
struct v4l2_fract frameperiod; /* Frames, not fields */
__u32 framelines;
@@ -284,7 +284,7 @@ static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32
{
if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_standard32)) ||
put_user(kp->index, &up->index) ||
- copy_to_user(up->id, &kp->id, sizeof(__u64)) ||
+ put_user(kp->id, &up->id) ||
copy_to_user(up->name, kp->name, 24) ||
copy_to_user(&up->frameperiod, &kp->frameperiod, sizeof(kp->frameperiod)) ||
put_user(kp->framelines, &up->framelines) ||
@@ -576,10 +576,10 @@ struct v4l2_input32 {
__u32 type; /* Type of input */
__u32 audioset; /* Associated audios (bitfield) */
__u32 tuner; /* Associated tuner */
- v4l2_std_id std;
+ compat_u64 std;
__u32 status;
__u32 reserved[4];
-} __attribute__ ((packed));
+};
/* The 64-bit v4l2_input struct has extra padding at the end of the struct.
Otherwise it is identical to the 32-bit version. */
@@ -719,6 +719,7 @@ static int put_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext
struct v4l2_event32 {
__u32 type;
union {
+ compat_s64 value64;
__u8 data[64];
} u;
__u32 pending;
diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c b/drivers/media/v4l2-core/videobuf2-dma-contig.c
index 33d3871d1e13..63aeac93a95e 100644
--- a/drivers/media/v4l2-core/videobuf2-dma-contig.c
+++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c
@@ -117,7 +117,8 @@ static void vb2_dc_prepare(void *buf_priv)
if (!sgt || buf->db_attach)
return;
- dma_sync_sg_for_device(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir);
+ dma_sync_sg_for_device(buf->dev, sgt->sgl, sgt->orig_nents,
+ buf->dma_dir);
}
static void vb2_dc_finish(void *buf_priv)
@@ -129,7 +130,7 @@ static void vb2_dc_finish(void *buf_priv)
if (!sgt || buf->db_attach)
return;
- dma_sync_sg_for_cpu(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir);
+ dma_sync_sg_for_cpu(buf->dev, sgt->sgl, sgt->orig_nents, buf->dma_dir);
}
/*********************************************/
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 3c7d6d7623c1..e638993ac626 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -635,8 +635,10 @@ int add_mtd_partitions(struct mtd_info *master,
for (i = 0; i < nbparts; i++) {
slave = allocate_partition(master, parts + i, i, cur_offset);
- if (IS_ERR(slave))
+ if (IS_ERR(slave)) {
+ del_mtd_partitions(master);
return PTR_ERR(slave);
+ }
mutex_lock(&mtd_partitions_mutex);
list_add(&slave->list, &mtd_partitions);
diff --git a/drivers/net/wireless/ti/wlcore/io.h b/drivers/net/wireless/ti/wlcore/io.h
index 07e3d6a049ad..e11c1adf2aad 100644
--- a/drivers/net/wireless/ti/wlcore/io.h
+++ b/drivers/net/wireless/ti/wlcore/io.h
@@ -203,19 +203,23 @@ static inline int __must_check wlcore_write_reg(struct wl1271 *wl, int reg,
static inline void wl1271_power_off(struct wl1271 *wl)
{
- int ret;
+ int ret = 0;
if (!test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags))
return;
- ret = wl->if_ops->power(wl->dev, false);
+ if (wl->if_ops->power)
+ ret = wl->if_ops->power(wl->dev, false);
if (!ret)
clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
}
static inline int wl1271_power_on(struct wl1271 *wl)
{
- int ret = wl->if_ops->power(wl->dev, true);
+ int ret = 0;
+
+ if (wl->if_ops->power)
+ ret = wl->if_ops->power(wl->dev, true);
if (ret == 0)
set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c
index b2c018dccf18..c675163b0d40 100644
--- a/drivers/net/wireless/ti/wlcore/spi.c
+++ b/drivers/net/wireless/ti/wlcore/spi.c
@@ -72,7 +72,10 @@
*/
#define SPI_AGGR_BUFFER_SIZE (4 * PAGE_SIZE)
-#define WSPI_MAX_NUM_OF_CHUNKS (SPI_AGGR_BUFFER_SIZE / WSPI_MAX_CHUNK_SIZE)
+/* Maximum number of SPI write chunks */
+#define WSPI_MAX_NUM_OF_CHUNKS \
+ ((SPI_AGGR_BUFFER_SIZE / WSPI_MAX_CHUNK_SIZE) + 1)
+
struct wl12xx_spi_glue {
struct device *dev;
@@ -270,9 +273,10 @@ static int __must_check wl12xx_spi_raw_write(struct device *child, int addr,
void *buf, size_t len, bool fixed)
{
struct wl12xx_spi_glue *glue = dev_get_drvdata(child->parent);
- struct spi_transfer t[2 * (WSPI_MAX_NUM_OF_CHUNKS + 1)];
+ /* SPI write buffers - 2 for each chunk */
+ struct spi_transfer t[2 * WSPI_MAX_NUM_OF_CHUNKS];
struct spi_message m;
- u32 commands[WSPI_MAX_NUM_OF_CHUNKS];
+ u32 commands[WSPI_MAX_NUM_OF_CHUNKS]; /* 1 command per chunk */
u32 *cmd;
u32 chunk_len;
int i;
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 38901665c770..f16c43dd6d04 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -147,6 +147,8 @@ static int pci_bus_alloc_from_region(struct pci_bus *bus, struct resource *res,
type_mask |= IORESOURCE_IO | IORESOURCE_MEM;
pci_bus_for_each_resource(bus, r, i) {
+ resource_size_t min_used = min;
+
if (!r)
continue;
@@ -170,12 +172,12 @@ static int pci_bus_alloc_from_region(struct pci_bus *bus, struct resource *res,
* overrides "min".
*/
if (avail.start)
- min = avail.start;
+ min_used = avail.start;
max = avail.end;
/* Ok, try it out.. */
- ret = allocate_resource(r, res, size, min, max,
+ ret = allocate_resource(r, res, size, min_used, max,
align, alignf, alignf_data);
if (ret == 0)
return 0;
diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c
index 9d30809bb407..916af5096f57 100644
--- a/drivers/remoteproc/remoteproc_debugfs.c
+++ b/drivers/remoteproc/remoteproc_debugfs.c
@@ -156,7 +156,7 @@ rproc_recovery_write(struct file *filp, const char __user *user_buf,
char buf[10];
int ret;
- if (count > sizeof(buf))
+ if (count < 1 || count > sizeof(buf))
return count;
ret = copy_from_user(buf, user_buf, count);
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 5f8c6d2f4df7..0e46e8d1d7bc 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -593,7 +593,8 @@ static int atmel_spi_next_xfer_dma_submit(struct spi_master *master,
*plen = len;
- if (atmel_spi_dma_slave_config(as, &slave_config, 8))
+ if (atmel_spi_dma_slave_config(as, &slave_config,
+ xfer->bits_per_word))
goto err_exit;
/* Send both scatterlists */
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
index 3d09265b5133..1454a0c42aac 100644
--- a/drivers/spi/spi-ti-qspi.c
+++ b/drivers/spi/spi-ti-qspi.c
@@ -364,11 +364,10 @@ static int ti_qspi_start_transfer_one(struct spi_master *master,
mutex_unlock(&qspi->list_lock);
+ ti_qspi_write(qspi, qspi->cmd | QSPI_INVAL, QSPI_SPI_CMD_REG);
m->status = status;
spi_finalize_current_message(master);
- ti_qspi_write(qspi, qspi->cmd | QSPI_INVAL, QSPI_SPI_CMD_REG);
-
return status;
}
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index d88492152be1..72ed3d147687 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1268,7 +1268,7 @@ struct spi_master *spi_alloc_master(struct device *dev, unsigned size)
master->bus_num = -1;
master->num_chipselect = 1;
master->dev.class = &spi_master_class;
- master->dev.parent = get_device(dev);
+ master->dev.parent = dev;
spi_master_set_devdata(master, &master[1]);
return master;
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 143deb62467d..12446e9a4435 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -411,7 +411,7 @@ receive_buf(struct tty_struct *tty, struct tty_buffer *head, int count)
count = disc->ops->receive_buf2(tty, p, f, count);
else {
count = min_t(int, count, tty->receive_room);
- if (count)
+ if (count && disc->ops->receive_buf)
disc->ops->receive_buf(tty, p, f, count);
}
head->read += count;
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 39988fa91294..b17df1000250 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2581,6 +2581,28 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
}
/**
+ * tiocgetd - get line discipline
+ * @tty: tty device
+ * @p: pointer to user data
+ *
+ * Retrieves the line discipline id directly from the ldisc.
+ *
+ * Locking: waits for ldisc reference (in case the line discipline
+ * is changing or the tty is being hungup)
+ */
+
+static int tiocgetd(struct tty_struct *tty, int __user *p)
+{
+ struct tty_ldisc *ld;
+ int ret;
+
+ ld = tty_ldisc_ref_wait(tty);
+ ret = put_user(ld->ops->num, p);
+ tty_ldisc_deref(ld);
+ return ret;
+}
+
+/**
* send_break - performed time break
* @tty: device to break on
* @duration: timeout in mS
@@ -2794,7 +2816,7 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case TIOCGSID:
return tiocgsid(tty, real_tty, p);
case TIOCGETD:
- return put_user(tty->ldisc->ops->num, (int __user *)p);
+ return tiocgetd(tty, p);
case TIOCSETD:
return tiocsetd(tty, p);
case TIOCVHANGUP:
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index fa114bcedabf..648e7eccdde9 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -5225,7 +5225,6 @@ static int usb_reset_and_verify_device(struct usb_device *udev)
usb_set_usb2_hardware_lpm(udev, 0);
bos = udev->bos;
- udev->bos = NULL;
/* Disable LPM and LTM while we reset the device and reinstall the alt
* settings. Device-initiated LPM settings, and system exit latency
@@ -5334,8 +5333,11 @@ done:
usb_set_usb2_hardware_lpm(udev, 1);
usb_unlocked_enable_lpm(udev);
usb_enable_ltm(udev);
- usb_release_bos_descriptor(udev);
- udev->bos = bos;
+ /* release the new BOS descriptor allocated by hub_port_init() */
+ if (udev->bos != bos) {
+ usb_release_bos_descriptor(udev);
+ udev->bos = bos;
+ }
return 0;
re_enumerate:
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 5c957658a04a..7f01f165e77b 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -612,8 +612,30 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
if ((raw_port_status & PORT_RESET) ||
!(raw_port_status & PORT_PE))
return 0xffffffff;
- if (time_after_eq(jiffies,
- bus_state->resume_done[wIndex])) {
+ /* did port event handler already start resume timing? */
+ if (!bus_state->resume_done[wIndex]) {
+ /* If not, maybe we are in a host initated resume? */
+ if (test_bit(wIndex, &bus_state->resuming_ports)) {
+ /* Host initated resume doesn't time the resume
+ * signalling using resume_done[].
+ * It manually sets RESUME state, sleeps 20ms
+ * and sets U0 state. This should probably be
+ * changed, but not right now.
+ */
+ } else {
+ /* port resume was discovered now and here,
+ * start resume timing
+ */
+ unsigned long timeout = jiffies +
+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
+
+ set_bit(wIndex, &bus_state->resuming_ports);
+ bus_state->resume_done[wIndex] = timeout;
+ mod_timer(&hcd->rh_timer, timeout);
+ }
+ /* Has resume been signalled for USB_RESUME_TIME yet? */
+ } else if (time_after_eq(jiffies,
+ bus_state->resume_done[wIndex])) {
int time_left;
xhci_dbg(xhci, "Resume USB2 port %d\n",
@@ -654,13 +676,24 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
} else {
/*
* The resume has been signaling for less than
- * 20ms. Report the port status as SUSPEND,
- * let the usbcore check port status again
- * and clear resume signaling later.
+ * USB_RESUME_TIME. Report the port status as SUSPEND,
+ * let the usbcore check port status again and clear
+ * resume signaling later.
*/
status |= USB_PORT_STAT_SUSPEND;
}
}
+ /*
+ * Clear stale usb2 resume signalling variables in case port changed
+ * state during resume signalling. For example on error
+ */
+ if ((bus_state->resume_done[wIndex] ||
+ test_bit(wIndex, &bus_state->resuming_ports)) &&
+ (raw_port_status & PORT_PLS_MASK) != XDEV_U3 &&
+ (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME) {
+ bus_state->resume_done[wIndex] = 0;
+ clear_bit(wIndex, &bus_state->resuming_ports);
+ }
if ((raw_port_status & PORT_PLS_MASK) == XDEV_U0
&& (raw_port_status & PORT_POWER)
&& (bus_state->suspended_ports & (1 << wIndex))) {
@@ -989,6 +1022,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
if ((temp & PORT_PE) == 0)
goto error;
+ set_bit(wIndex, &bus_state->resuming_ports);
xhci_set_link_state(xhci, port_array, wIndex,
XDEV_RESUME);
spin_unlock_irqrestore(&xhci->lock, flags);
@@ -996,6 +1030,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
spin_lock_irqsave(&xhci->lock, flags);
xhci_set_link_state(xhci, port_array, wIndex,
XDEV_U0);
+ clear_bit(wIndex, &bus_state->resuming_ports);
}
bus_state->port_c_suspend |= 1 << wIndex;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index bd993fe00e0c..3bfe81c6229a 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1768,7 +1768,8 @@ static void handle_port_status(struct xhci_hcd *xhci,
*/
bogus_port_status = true;
goto cleanup;
- } else {
+ } else if (!test_bit(faked_port_index,
+ &bus_state->resuming_ports)) {
xhci_dbg(xhci, "resume HS port %d\n", port_id);
bus_state->resume_done[faked_port_index] = jiffies +
msecs_to_jiffies(USB_RESUME_TIMEOUT);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index c8e693c22014..27688e3b0a4c 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4866,6 +4866,9 @@ static int __init xhci_hcd_init(void)
{
int retval;
+ if (usb_disabled())
+ return -ENODEV;
+
retval = xhci_register_pci();
if (retval < 0) {
pr_debug("Problem registering PCI driver.\n");
@@ -4894,9 +4897,6 @@ static int __init xhci_hcd_init(void)
/* xhci_run_regs has eight fields and embeds 128 xhci_intr_regs */
BUILD_BUG_ON(sizeof(struct xhci_run_regs) != (8+8*128)*32/8);
- if (usb_disabled())
- return -ENODEV;
-
return 0;
unreg_pci:
xhci_unregister_pci();
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index b4fc4091e3f8..02e6fe228a63 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -98,6 +98,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x81AC) }, /* MSD Dash Hawk */
{ USB_DEVICE(0x10C4, 0x81AD) }, /* INSYS USB Modem */
{ USB_DEVICE(0x10C4, 0x81C8) }, /* Lipowsky Industrie Elektronik GmbH, Baby-JTAG */
+ { USB_DEVICE(0x10C4, 0x81D7) }, /* IAI Corp. RCB-CV-USB USB to RS485 Adaptor */
{ USB_DEVICE(0x10C4, 0x81E2) }, /* Lipowsky Industrie Elektronik GmbH, Baby-LIN */
{ USB_DEVICE(0x10C4, 0x81E7) }, /* Aerocomm Radio */
{ USB_DEVICE(0x10C4, 0x81E8) }, /* Zephyr Bioharness */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 7fb81dbbdc8d..b5d8e2544b8f 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -837,6 +837,7 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
+ { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_SCU18) },
{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
/* Papouch devices based on FTDI chip */
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 2943b97b2a83..7850071c0ae1 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -615,6 +615,7 @@
*/
#define RATOC_VENDOR_ID 0x0584
#define RATOC_PRODUCT_ID_USB60F 0xb020
+#define RATOC_PRODUCT_ID_SCU18 0xb03a
/*
* Infineon Technologies
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index bdbe642e6569..81f6a572f016 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -269,6 +269,8 @@ static void option_instat_callback(struct urb *urb);
#define TELIT_PRODUCT_CC864_SINGLE 0x1006
#define TELIT_PRODUCT_DE910_DUAL 0x1010
#define TELIT_PRODUCT_UE910_V2 0x1012
+#define TELIT_PRODUCT_LE922_USBCFG0 0x1042
+#define TELIT_PRODUCT_LE922_USBCFG3 0x1043
#define TELIT_PRODUCT_LE920 0x1200
#define TELIT_PRODUCT_LE910 0x1201
@@ -623,6 +625,16 @@ static const struct option_blacklist_info telit_le920_blacklist = {
.reserved = BIT(1) | BIT(5),
};
+static const struct option_blacklist_info telit_le922_blacklist_usbcfg0 = {
+ .sendsetup = BIT(2),
+ .reserved = BIT(0) | BIT(1) | BIT(3),
+};
+
+static const struct option_blacklist_info telit_le922_blacklist_usbcfg3 = {
+ .sendsetup = BIT(0),
+ .reserved = BIT(1) | BIT(2) | BIT(3),
+};
+
static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -1168,6 +1180,10 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_SINGLE) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_DE910_DUAL) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UE910_V2) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG0),
+ .driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg0 },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG3),
+ .driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910),
.driver_info = (kernel_ulong_t)&telit_le910_blacklist },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920),
@@ -1679,7 +1695,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_P) },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8),
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
- { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX) },
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX, 0xff) },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLXX),
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) },
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index 60afb39eb73c..337a0be89fcf 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -544,6 +544,11 @@ static int treo_attach(struct usb_serial *serial)
(serial->num_interrupt_in == 0))
return 0;
+ if (serial->num_bulk_in < 2 || serial->num_interrupt_in < 2) {
+ dev_err(&serial->interface->dev, "missing endpoints\n");
+ return -ENODEV;
+ }
+
/*
* It appears that Treos and Kyoceras want to use the
* 1st bulk in endpoint to communicate with the 2nd bulk out endpoint,
@@ -597,8 +602,10 @@ static int clie_5_attach(struct usb_serial *serial)
*/
/* some sanity check */
- if (serial->num_ports < 2)
- return -1;
+ if (serial->num_bulk_out < 2) {
+ dev_err(&serial->interface->dev, "missing bulk out endpoints\n");
+ return -ENODEV;
+ }
/* port 0 now uses the modified endpoint Address */
port = serial->port[0];
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 35240a704413..6eb8df76e17c 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -679,16 +679,16 @@ static int load_elf_binary(struct linux_binprm *bprm)
*/
would_dump(bprm, interpreter);
- retval = kernel_read(interpreter, 0, bprm->buf,
- BINPRM_BUF_SIZE);
- if (retval != BINPRM_BUF_SIZE) {
+ /* Get the exec headers */
+ retval = kernel_read(interpreter, 0,
+ (void *)&loc->interp_elf_ex,
+ sizeof(loc->interp_elf_ex));
+ if (retval != sizeof(loc->interp_elf_ex)) {
if (retval >= 0)
retval = -EIO;
goto out_free_dentry;
}
- /* Get the exec headers */
- loc->interp_elf_ex = *((struct elfhdr *)bprm->buf);
break;
}
elf_ppnt++;
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 2a6830a7af33..96fe2c175a73 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -26,6 +26,7 @@
#include <linux/seqlock.h>
#include <linux/mutex.h>
#include <linux/timer.h>
+#include <linux/version.h>
#include <linux/wait.h>
#include <linux/blockgroup_lock.h>
#include <linux/percpu_counter.h>
@@ -724,19 +725,55 @@ struct move_extent {
<= (EXT4_GOOD_OLD_INODE_SIZE + \
(einode)->i_extra_isize)) \
+/*
+ * We use an encoding that preserves the times for extra epoch "00":
+ *
+ * extra msb of adjust for signed
+ * epoch 32-bit 32-bit tv_sec to
+ * bits time decoded 64-bit tv_sec 64-bit tv_sec valid time range
+ * 0 0 1 -0x80000000..-0x00000001 0x000000000 1901-12-13..1969-12-31
+ * 0 0 0 0x000000000..0x07fffffff 0x000000000 1970-01-01..2038-01-19
+ * 0 1 1 0x080000000..0x0ffffffff 0x100000000 2038-01-19..2106-02-07
+ * 0 1 0 0x100000000..0x17fffffff 0x100000000 2106-02-07..2174-02-25
+ * 1 0 1 0x180000000..0x1ffffffff 0x200000000 2174-02-25..2242-03-16
+ * 1 0 0 0x200000000..0x27fffffff 0x200000000 2242-03-16..2310-04-04
+ * 1 1 1 0x280000000..0x2ffffffff 0x300000000 2310-04-04..2378-04-22
+ * 1 1 0 0x300000000..0x37fffffff 0x300000000 2378-04-22..2446-05-10
+ *
+ * Note that previous versions of the kernel on 64-bit systems would
+ * incorrectly use extra epoch bits 1,1 for dates between 1901 and
+ * 1970. e2fsck will correct this, assuming that it is run on the
+ * affected filesystem before 2242.
+ */
+
static inline __le32 ext4_encode_extra_time(struct timespec *time)
{
- return cpu_to_le32((sizeof(time->tv_sec) > 4 ?
- (time->tv_sec >> 32) & EXT4_EPOCH_MASK : 0) |
- ((time->tv_nsec << EXT4_EPOCH_BITS) & EXT4_NSEC_MASK));
+ u32 extra = sizeof(time->tv_sec) > 4 ?
+ ((time->tv_sec - (s32)time->tv_sec) >> 32) & EXT4_EPOCH_MASK : 0;
+ return cpu_to_le32(extra | (time->tv_nsec << EXT4_EPOCH_BITS));
}
static inline void ext4_decode_extra_time(struct timespec *time, __le32 extra)
{
- if (sizeof(time->tv_sec) > 4)
- time->tv_sec |= (__u64)(le32_to_cpu(extra) & EXT4_EPOCH_MASK)
- << 32;
- time->tv_nsec = (le32_to_cpu(extra) & EXT4_NSEC_MASK) >> EXT4_EPOCH_BITS;
+ if (unlikely(sizeof(time->tv_sec) > 4 &&
+ (extra & cpu_to_le32(EXT4_EPOCH_MASK)))) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,20,0)
+ /* Handle legacy encoding of pre-1970 dates with epoch
+ * bits 1,1. We assume that by kernel version 4.20,
+ * everyone will have run fsck over the affected
+ * filesystems to correct the problem. (This
+ * backwards compatibility may be removed before this
+ * time, at the discretion of the ext4 developers.)
+ */
+ u64 extra_bits = le32_to_cpu(extra) & EXT4_EPOCH_MASK;
+ if (extra_bits == 3 && ((time->tv_sec) & 0x80000000) != 0)
+ extra_bits = 0;
+ time->tv_sec += extra_bits << 32;
+#else
+ time->tv_sec += (u64)(le32_to_cpu(extra) & EXT4_EPOCH_MASK) << 32;
+#endif
+ }
+ time->tv_nsec = (le32_to_cpu(extra) & EXT4_NSEC_MASK) >> EXT4_EPOCH_BITS;
}
#define EXT4_INODE_SET_XTIME(xtime, inode, raw_inode) \
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 2400ad1c3d12..831cb305c63f 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1030,7 +1030,7 @@ exit_free:
* do not copy the full number of backups at this time. The resize
* which changed s_groups_count will backup again.
*/
-static void update_backups(struct super_block *sb, int blk_off, char *data,
+static void update_backups(struct super_block *sb, sector_t blk_off, char *data,
int size, int meta_bg)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
@@ -1055,7 +1055,7 @@ static void update_backups(struct super_block *sb, int blk_off, char *data,
group = ext4_list_backups(sb, &three, &five, &seven);
last = sbi->s_groups_count;
} else {
- group = ext4_meta_bg_first_group(sb, group) + 1;
+ group = ext4_get_group_number(sb, blk_off) + 1;
last = (ext4_group_t)(group + EXT4_DESC_PER_BLOCK(sb) - 2);
}
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 3963ede84eb0..75bf5e717ed8 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -614,9 +614,9 @@ parse_record:
int status = fat_parse_long(inode, &cpos, &bh, &de,
&unicode, &nr_slots);
if (status < 0) {
- ctx->pos = cpos;
+ bh = NULL;
ret = status;
- goto out;
+ goto end_of_dir;
} else if (status == PARSE_INVALID)
goto record_end;
else if (status == PARSE_NOT_LONGNAME)
@@ -658,8 +658,9 @@ parse_record:
fill_len = short_len;
start_filldir:
- if (!fake_offset)
- ctx->pos = cpos - (nr_slots + 1) * sizeof(struct msdos_dir_entry);
+ ctx->pos = cpos - (nr_slots + 1) * sizeof(struct msdos_dir_entry);
+ if (fake_offset && ctx->pos < 2)
+ ctx->pos = 2;
if (!memcmp(de->name, MSDOS_DOT, MSDOS_NAME)) {
if (!dir_emit_dot(file, ctx))
@@ -685,14 +686,19 @@ record_end:
fake_offset = 0;
ctx->pos = cpos;
goto get_new;
+
end_of_dir:
- ctx->pos = cpos;
+ if (fake_offset && cpos < 2)
+ ctx->pos = 2;
+ else
+ ctx->pos = cpos;
fill_failed:
brelse(bh);
if (unicode)
__putname(unicode);
out:
mutex_unlock(&sbi->s_lock);
+
return ret;
}
diff --git a/fs/fscache/netfs.c b/fs/fscache/netfs.c
index 989f39401547..96e48c67271b 100644
--- a/fs/fscache/netfs.c
+++ b/fs/fscache/netfs.c
@@ -22,6 +22,7 @@ static LIST_HEAD(fscache_netfs_list);
int __fscache_register_netfs(struct fscache_netfs *netfs)
{
struct fscache_netfs *ptr;
+ struct fscache_cookie *cookie;
int ret;
_enter("{%s}", netfs->name);
@@ -29,29 +30,25 @@ int __fscache_register_netfs(struct fscache_netfs *netfs)
INIT_LIST_HEAD(&netfs->link);
/* allocate a cookie for the primary index */
- netfs->primary_index =
- kmem_cache_zalloc(fscache_cookie_jar, GFP_KERNEL);
+ cookie = kmem_cache_zalloc(fscache_cookie_jar, GFP_KERNEL);
- if (!netfs->primary_index) {
+ if (!cookie) {
_leave(" = -ENOMEM");
return -ENOMEM;
}
/* initialise the primary index cookie */
- atomic_set(&netfs->primary_index->usage, 1);
- atomic_set(&netfs->primary_index->n_children, 0);
- atomic_set(&netfs->primary_index->n_active, 1);
+ atomic_set(&cookie->usage, 1);
+ atomic_set(&cookie->n_children, 0);
+ atomic_set(&cookie->n_active, 1);
- netfs->primary_index->def = &fscache_fsdef_netfs_def;
- netfs->primary_index->parent = &fscache_fsdef_index;
- netfs->primary_index->netfs_data = netfs;
- netfs->primary_index->flags = 1 << FSCACHE_COOKIE_ENABLED;
+ cookie->def = &fscache_fsdef_netfs_def;
+ cookie->parent = &fscache_fsdef_index;
+ cookie->netfs_data = netfs;
+ cookie->flags = 1 << FSCACHE_COOKIE_ENABLED;
- atomic_inc(&netfs->primary_index->parent->usage);
- atomic_inc(&netfs->primary_index->parent->n_children);
-
- spin_lock_init(&netfs->primary_index->lock);
- INIT_HLIST_HEAD(&netfs->primary_index->backing_objects);
+ spin_lock_init(&cookie->lock);
+ INIT_HLIST_HEAD(&cookie->backing_objects);
/* check the netfs type is not already present */
down_write(&fscache_addremove_sem);
@@ -62,6 +59,10 @@ int __fscache_register_netfs(struct fscache_netfs *netfs)
goto already_registered;
}
+ atomic_inc(&cookie->parent->usage);
+ atomic_inc(&cookie->parent->n_children);
+
+ netfs->primary_index = cookie;
list_add(&netfs->link, &fscache_netfs_list);
ret = 0;
@@ -71,11 +72,8 @@ int __fscache_register_netfs(struct fscache_netfs *netfs)
already_registered:
up_write(&fscache_addremove_sem);
- if (ret < 0) {
- netfs->primary_index->parent = NULL;
- __fscache_cookie_put(netfs->primary_index);
- netfs->primary_index = NULL;
- }
+ if (ret < 0)
+ kmem_cache_free(fscache_cookie_jar, cookie);
_leave(" = %d", ret);
return ret;
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index ecc57071a1a9..a8c65539fbd2 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -2066,6 +2066,7 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh,
if (!buffer_dirty(bh)) {
/* bdflush has written it. We can drop it now */
+ __jbd2_journal_remove_checkpoint(jh);
goto zap_buffer;
}
@@ -2095,6 +2096,7 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh,
/* The orphan record's transaction has
* committed. We can cleanse this buffer */
clear_buffer_jbddirty(bh);
+ __jbd2_journal_remove_checkpoint(jh);
goto zap_buffer;
}
}
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 1dd0bcc75536..96cbbe9e7030 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -2459,6 +2459,11 @@ static int dlm_migrate_lockres(struct dlm_ctxt *dlm,
spin_lock(&dlm->master_lock);
ret = dlm_add_migration_mle(dlm, res, mle, &oldmle, name,
namelen, target, dlm->node_num);
+ /* get an extra reference on the mle.
+ * otherwise the assert_master from the new
+ * master will destroy this.
+ */
+ dlm_get_mle_inuse(mle);
spin_unlock(&dlm->master_lock);
spin_unlock(&dlm->spinlock);
@@ -2494,6 +2499,7 @@ fail:
if (mle_added) {
dlm_mle_detach_hb_events(dlm, mle);
dlm_put_mle(mle);
+ dlm_put_mle_inuse(mle);
} else if (mle) {
kmem_cache_free(dlm_mle_cache, mle);
mle = NULL;
@@ -2511,17 +2517,6 @@ fail:
* ensure that all assert_master work is flushed. */
flush_workqueue(dlm->dlm_worker);
- /* get an extra reference on the mle.
- * otherwise the assert_master from the new
- * master will destroy this.
- * also, make sure that all callers of dlm_get_mle
- * take both dlm->spinlock and dlm->master_lock */
- spin_lock(&dlm->spinlock);
- spin_lock(&dlm->master_lock);
- dlm_get_mle_inuse(mle);
- spin_unlock(&dlm->master_lock);
- spin_unlock(&dlm->spinlock);
-
/* notify new node and send all lock state */
/* call send_one_lockres with migration flag.
* this serves as notice to the target node that a
@@ -3246,6 +3241,15 @@ top:
mle->new_master != dead_node)
continue;
+ if (mle->new_master == dead_node && mle->inuse) {
+ mlog(ML_NOTICE, "%s: target %u died during "
+ "migration from %u, the MLE is "
+ "still keep used, ignore it!\n",
+ dlm->name, dead_node,
+ mle->master);
+ continue;
+ }
+
/* If we have reached this point, this mle needs to be
* removed from the list and freed. */
dlm_clean_migration_mle(dlm, mle);
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index fe29f7978f81..4b93d96d244f 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2332,6 +2332,8 @@ static void dlm_do_local_recovery_cleanup(struct dlm_ctxt *dlm, u8 dead_node)
break;
}
}
+ dlm_lockres_clear_refmap_bit(dlm, res,
+ dead_node);
spin_unlock(&res->spinlock);
continue;
}
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index cc0aeb9e81a2..5e260e14cdd6 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -340,13 +340,11 @@ static int ocfs2_mknod(struct inode *dir,
goto leave;
}
- status = posix_acl_create(dir, &mode, &default_acl, &acl);
+ status = posix_acl_create(dir, &inode->i_mode, &default_acl, &acl);
if (status) {
mlog_errno(status);
goto leave;
}
- /* update inode->i_mode after mask with "umask". */
- inode->i_mode = mode;
handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb,
S_ISDIR(mode),
diff --git a/fs/proc/fd.c b/fs/proc/fd.c
index 985ea881b5bc..c06a1f97ac22 100644
--- a/fs/proc/fd.c
+++ b/fs/proc/fd.c
@@ -283,11 +283,19 @@ static struct dentry *proc_lookupfd(struct inode *dir, struct dentry *dentry,
*/
int proc_fd_permission(struct inode *inode, int mask)
{
- int rv = generic_permission(inode, mask);
+ struct task_struct *p;
+ int rv;
+
+ rv = generic_permission(inode, mask);
if (rv == 0)
- return 0;
- if (task_tgid(current) == proc_pid(inode))
+ return rv;
+
+ rcu_read_lock();
+ p = pid_task(proc_pid(inode), PIDTYPE_PID);
+ if (p && same_thread_group(p, current))
rv = 0;
+ rcu_read_unlock();
+
return rv;
}
diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c
index c327d4ee1235..7b3792e5844a 100644
--- a/fs/sysv/inode.c
+++ b/fs/sysv/inode.c
@@ -161,14 +161,8 @@ void sysv_set_inode(struct inode *inode, dev_t rdev)
inode->i_fop = &sysv_dir_operations;
inode->i_mapping->a_ops = &sysv_aops;
} else if (S_ISLNK(inode->i_mode)) {
- if (inode->i_blocks) {
- inode->i_op = &sysv_symlink_inode_operations;
- inode->i_mapping->a_ops = &sysv_aops;
- } else {
- inode->i_op = &sysv_fast_symlink_inode_operations;
- nd_terminate_link(SYSV_I(inode)->i_data, inode->i_size,
- sizeof(SYSV_I(inode)->i_data) - 1);
- }
+ inode->i_op = &sysv_symlink_inode_operations;
+ inode->i_mapping->a_ops = &sysv_aops;
} else
init_special_inode(inode, inode->i_mode, rdev);
}
diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h
index d61c11170213..2f38daaab3d7 100644
--- a/include/crypto/if_alg.h
+++ b/include/crypto/if_alg.h
@@ -30,6 +30,8 @@ struct alg_sock {
struct sock *parent;
+ unsigned int refcnt;
+
const struct af_alg_type *type;
void *private;
};
@@ -64,6 +66,7 @@ int af_alg_register_type(const struct af_alg_type *type);
int af_alg_unregister_type(const struct af_alg_type *type);
int af_alg_release(struct socket *sock);
+void af_alg_release_parent(struct sock *sk);
int af_alg_accept(struct sock *sk, struct socket *newsock);
int af_alg_make_sg(struct af_alg_sgl *sgl, void __user *addr, int len,
@@ -80,11 +83,6 @@ static inline struct alg_sock *alg_sk(struct sock *sk)
return (struct alg_sock *)sk;
}
-static inline void af_alg_release_parent(struct sock *sk)
-{
- sock_put(alg_sk(sk)->parent);
-}
-
static inline void af_alg_init_completion(struct af_alg_completion *completion)
{
init_completion(&completion->completion);
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 2ac423bdb676..53944e50e421 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -247,7 +247,6 @@ extern int sigprocmask(int, sigset_t *, sigset_t *);
extern void set_current_blocked(sigset_t *);
extern void __set_current_blocked(const sigset_t *);
extern int show_unhandled_signals;
-extern int sigsuspend(sigset_t *);
struct sigaction {
#ifndef __ARCH_HAS_IRIX_SIGACTION
diff --git a/kernel/signal.c b/kernel/signal.c
index 15c22ee11156..d8db156e5f5c 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3550,7 +3550,7 @@ SYSCALL_DEFINE0(pause)
#endif
-int sigsuspend(sigset_t *set)
+static int sigsuspend(sigset_t *set)
{
current->saved_sigmask = current->blocked;
set_current_blocked(set);
diff --git a/kernel/trace/trace_printk.c b/kernel/trace/trace_printk.c
index 2900817ba65c..7c8cef653166 100644
--- a/kernel/trace/trace_printk.c
+++ b/kernel/trace/trace_printk.c
@@ -269,6 +269,7 @@ static const char **find_next(void *v, loff_t *pos)
if (*pos < last_index + start_index)
return __start___tracepoint_str + (*pos - last_index);
+ start_index += last_index;
return find_next_mod_format(start_index, v, fmt, pos);
}
diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h
index 49b582a225b0..b9897e2be404 100644
--- a/scripts/recordmcount.h
+++ b/scripts/recordmcount.h
@@ -377,7 +377,7 @@ static void nop_mcount(Elf_Shdr const *const relhdr,
if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) {
if (make_nop)
- ret = make_nop((void *)ehdr, shdr->sh_offset + relp->r_offset);
+ ret = make_nop((void *)ehdr, _w(shdr->sh_offset) + _w(relp->r_offset));
if (warn_on_notrace_sect && !once) {
printf("Section %s has mcount callers being ignored\n",
txtname);
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 048550aacffc..596a2020fe2c 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -22,6 +22,7 @@
#include <linux/evm.h>
#include <linux/magic.h>
#include <crypto/hash.h>
+#include <crypto/algapi.h>
#include "evm.h"
int evm_initialized;
@@ -133,7 +134,7 @@ static enum integrity_status evm_verify_hmac(struct dentry *dentry,
xattr_value_len, calc.digest);
if (rc)
break;
- rc = memcmp(xattr_data->digest, calc.digest,
+ rc = crypto_memneq(xattr_data->digest, calc.digest,
sizeof(calc.digest));
if (rc)
rc = -EINVAL;
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 7403f348ed14..91525fafe73b 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -44,6 +44,13 @@
#include <sound/compress_offload.h>
#include <sound/compress_driver.h>
+/* struct snd_compr_codec_caps overflows the ioctl bit size for some
+ * architectures, so we need to disable the relevant ioctls.
+ */
+#if _IOC_SIZEBITS < 14
+#define COMPR_CODEC_CAPS_OVERFLOW
+#endif
+
/* TODO:
* - add substream support for multiple devices in case of
* SND_DYNAMIC_MINORS is not used
@@ -438,6 +445,7 @@ out:
return retval;
}
+#ifndef COMPR_CODEC_CAPS_OVERFLOW
static int
snd_compr_get_codec_caps(struct snd_compr_stream *stream, unsigned long arg)
{
@@ -461,6 +469,7 @@ out:
kfree(caps);
return retval;
}
+#endif /* !COMPR_CODEC_CAPS_OVERFLOW */
/* revisit this with snd_pcm_preallocate_xxx */
static int snd_compr_allocate_buffer(struct snd_compr_stream *stream,
@@ -799,9 +808,11 @@ static long snd_compr_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
case _IOC_NR(SNDRV_COMPRESS_GET_CAPS):
retval = snd_compr_get_caps(stream, arg);
break;
+#ifndef COMPR_CODEC_CAPS_OVERFLOW
case _IOC_NR(SNDRV_COMPRESS_GET_CODEC_CAPS):
retval = snd_compr_get_codec_caps(stream, arg);
break;
+#endif
case _IOC_NR(SNDRV_COMPRESS_SET_PARAMS):
retval = snd_compr_set_params(stream, arg);
break;
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 4c1cc51772e6..7417f96cea6e 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -834,7 +834,8 @@ static int choose_rate(struct snd_pcm_substream *substream,
return snd_pcm_hw_param_near(substream, params, SNDRV_PCM_HW_PARAM_RATE, best_rate, NULL);
}
-static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
+static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream,
+ bool trylock)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_pcm_hw_params *params, *sparams;
@@ -848,7 +849,10 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
struct snd_mask sformat_mask;
struct snd_mask mask;
- if (mutex_lock_interruptible(&runtime->oss.params_lock))
+ if (trylock) {
+ if (!(mutex_trylock(&runtime->oss.params_lock)))
+ return -EAGAIN;
+ } else if (mutex_lock_interruptible(&runtime->oss.params_lock))
return -EINTR;
sw_params = kmalloc(sizeof(*sw_params), GFP_KERNEL);
params = kmalloc(sizeof(*params), GFP_KERNEL);
@@ -1091,7 +1095,7 @@ static int snd_pcm_oss_get_active_substream(struct snd_pcm_oss_file *pcm_oss_fil
if (asubstream == NULL)
asubstream = substream;
if (substream->runtime->oss.params) {
- err = snd_pcm_oss_change_params(substream);
+ err = snd_pcm_oss_change_params(substream, false);
if (err < 0)
return err;
}
@@ -1130,7 +1134,7 @@ static int snd_pcm_oss_make_ready(struct snd_pcm_substream *substream)
return 0;
runtime = substream->runtime;
if (runtime->oss.params) {
- err = snd_pcm_oss_change_params(substream);
+ err = snd_pcm_oss_change_params(substream, false);
if (err < 0)
return err;
}
@@ -2168,7 +2172,7 @@ static int snd_pcm_oss_get_space(struct snd_pcm_oss_file *pcm_oss_file, int stre
runtime = substream->runtime;
if (runtime->oss.params &&
- (err = snd_pcm_oss_change_params(substream)) < 0)
+ (err = snd_pcm_oss_change_params(substream, false)) < 0)
return err;
info.fragsize = runtime->oss.period_bytes;
@@ -2804,7 +2808,12 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
return -EIO;
if (runtime->oss.params) {
- if ((err = snd_pcm_oss_change_params(substream)) < 0)
+ /* use mutex_trylock() for params_lock for avoiding a deadlock
+ * between mmap_sem and params_lock taken by
+ * copy_from/to_user() in snd_pcm_oss_write/read()
+ */
+ err = snd_pcm_oss_change_params(substream, true);
+ if (err < 0)
return err;
}
#ifdef CONFIG_SND_PCM_OSS_PLUGINS
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 7b596b5751db..500765f20843 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -934,31 +934,36 @@ static long snd_rawmidi_kernel_read1(struct snd_rawmidi_substream *substream,
unsigned long flags;
long result = 0, count1;
struct snd_rawmidi_runtime *runtime = substream->runtime;
+ unsigned long appl_ptr;
+ spin_lock_irqsave(&runtime->lock, flags);
while (count > 0 && runtime->avail) {
count1 = runtime->buffer_size - runtime->appl_ptr;
if (count1 > count)
count1 = count;
- spin_lock_irqsave(&runtime->lock, flags);
if (count1 > (int)runtime->avail)
count1 = runtime->avail;
+
+ /* update runtime->appl_ptr before unlocking for userbuf */
+ appl_ptr = runtime->appl_ptr;
+ runtime->appl_ptr += count1;
+ runtime->appl_ptr %= runtime->buffer_size;
+ runtime->avail -= count1;
+
if (kernelbuf)
- memcpy(kernelbuf + result, runtime->buffer + runtime->appl_ptr, count1);
+ memcpy(kernelbuf + result, runtime->buffer + appl_ptr, count1);
if (userbuf) {
spin_unlock_irqrestore(&runtime->lock, flags);
if (copy_to_user(userbuf + result,
- runtime->buffer + runtime->appl_ptr, count1)) {
+ runtime->buffer + appl_ptr, count1)) {
return result > 0 ? result : -EFAULT;
}
spin_lock_irqsave(&runtime->lock, flags);
}
- runtime->appl_ptr += count1;
- runtime->appl_ptr %= runtime->buffer_size;
- runtime->avail -= count1;
- spin_unlock_irqrestore(&runtime->lock, flags);
result += count1;
count -= count1;
}
+ spin_unlock_irqrestore(&runtime->lock, flags);
return result;
}
@@ -1161,8 +1166,9 @@ static long snd_rawmidi_kernel_write1(struct snd_rawmidi_substream *substream,
unsigned long flags;
long count1, result;
struct snd_rawmidi_runtime *runtime = substream->runtime;
+ unsigned long appl_ptr;
- if (snd_BUG_ON(!kernelbuf && !userbuf))
+ if (!kernelbuf && !userbuf)
return -EINVAL;
if (snd_BUG_ON(!runtime->buffer))
return -EINVAL;
@@ -1181,12 +1187,19 @@ static long snd_rawmidi_kernel_write1(struct snd_rawmidi_substream *substream,
count1 = count;
if (count1 > (long)runtime->avail)
count1 = runtime->avail;
+
+ /* update runtime->appl_ptr before unlocking for userbuf */
+ appl_ptr = runtime->appl_ptr;
+ runtime->appl_ptr += count1;
+ runtime->appl_ptr %= runtime->buffer_size;
+ runtime->avail -= count1;
+
if (kernelbuf)
- memcpy(runtime->buffer + runtime->appl_ptr,
+ memcpy(runtime->buffer + appl_ptr,
kernelbuf + result, count1);
else if (userbuf) {
spin_unlock_irqrestore(&runtime->lock, flags);
- if (copy_from_user(runtime->buffer + runtime->appl_ptr,
+ if (copy_from_user(runtime->buffer + appl_ptr,
userbuf + result, count1)) {
spin_lock_irqsave(&runtime->lock, flags);
result = result > 0 ? result : -EFAULT;
@@ -1194,9 +1207,6 @@ static long snd_rawmidi_kernel_write1(struct snd_rawmidi_substream *substream,
}
spin_lock_irqsave(&runtime->lock, flags);
}
- runtime->appl_ptr += count1;
- runtime->appl_ptr %= runtime->buffer_size;
- runtime->avail -= count1;
result += count1;
count -= count1;
}
diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c
index c5b773a1eea9..4a09c3085ca4 100644
--- a/sound/core/seq/oss/seq_oss_synth.c
+++ b/sound/core/seq/oss/seq_oss_synth.c
@@ -310,7 +310,7 @@ snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp)
struct seq_oss_synth *rec;
struct seq_oss_synthinfo *info;
- if (snd_BUG_ON(dp->max_synthdev >= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS))
+ if (snd_BUG_ON(dp->max_synthdev > SNDRV_SEQ_OSS_MAX_SYNTH_DEVS))
return;
for (i = 0; i < dp->max_synthdev; i++) {
info = &dp->synths[i];
diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index ecfbf5f39d38..08865dcbf5f1 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -678,6 +678,9 @@ static int deliver_to_subscribers(struct snd_seq_client *client,
else
down_read(&grp->list_mutex);
list_for_each_entry(subs, &grp->list_head, src_list) {
+ /* both ports ready? */
+ if (atomic_read(&subs->ref_count) != 2)
+ continue;
event->dest = subs->info.dest;
if (subs->info.flags & SNDRV_SEQ_PORT_SUBS_TIMESTAMP)
/* convert time according to flag with subscription */
diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c
index 9516e5ce3aad..67c91d226552 100644
--- a/sound/core/seq/seq_ports.c
+++ b/sound/core/seq/seq_ports.c
@@ -175,10 +175,6 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,
}
/* */
-enum group_type {
- SRC_LIST, DEST_LIST
-};
-
static int subscribe_port(struct snd_seq_client *client,
struct snd_seq_client_port *port,
struct snd_seq_port_subs_info *grp,
@@ -205,6 +201,20 @@ static struct snd_seq_client_port *get_client_port(struct snd_seq_addr *addr,
return NULL;
}
+static void delete_and_unsubscribe_port(struct snd_seq_client *client,
+ struct snd_seq_client_port *port,
+ struct snd_seq_subscribers *subs,
+ bool is_src, bool ack);
+
+static inline struct snd_seq_subscribers *
+get_subscriber(struct list_head *p, bool is_src)
+{
+ if (is_src)
+ return list_entry(p, struct snd_seq_subscribers, src_list);
+ else
+ return list_entry(p, struct snd_seq_subscribers, dest_list);
+}
+
/*
* remove all subscribers on the list
* this is called from port_delete, for each src and dest list.
@@ -212,7 +222,7 @@ static struct snd_seq_client_port *get_client_port(struct snd_seq_addr *addr,
static void clear_subscriber_list(struct snd_seq_client *client,
struct snd_seq_client_port *port,
struct snd_seq_port_subs_info *grp,
- int grptype)
+ int is_src)
{
struct list_head *p, *n;
@@ -221,15 +231,13 @@ static void clear_subscriber_list(struct snd_seq_client *client,
struct snd_seq_client *c;
struct snd_seq_client_port *aport;
- if (grptype == SRC_LIST) {
- subs = list_entry(p, struct snd_seq_subscribers, src_list);
+ subs = get_subscriber(p, is_src);
+ if (is_src)
aport = get_client_port(&subs->info.dest, &c);
- } else {
- subs = list_entry(p, struct snd_seq_subscribers, dest_list);
+ else
aport = get_client_port(&subs->info.sender, &c);
- }
- list_del(p);
- unsubscribe_port(client, port, grp, &subs->info, 0);
+ delete_and_unsubscribe_port(client, port, subs, is_src, false);
+
if (!aport) {
/* looks like the connected port is being deleted.
* we decrease the counter, and when both ports are deleted
@@ -237,21 +245,14 @@ static void clear_subscriber_list(struct snd_seq_client *client,
*/
if (atomic_dec_and_test(&subs->ref_count))
kfree(subs);
- } else {
- /* ok we got the connected port */
- struct snd_seq_port_subs_info *agrp;
- agrp = (grptype == SRC_LIST) ? &aport->c_dest : &aport->c_src;
- down_write(&agrp->list_mutex);
- if (grptype == SRC_LIST)
- list_del(&subs->dest_list);
- else
- list_del(&subs->src_list);
- up_write(&agrp->list_mutex);
- unsubscribe_port(c, aport, agrp, &subs->info, 1);
- kfree(subs);
- snd_seq_port_unlock(aport);
- snd_seq_client_unlock(c);
+ continue;
}
+
+ /* ok we got the connected port */
+ delete_and_unsubscribe_port(c, aport, subs, !is_src, true);
+ kfree(subs);
+ snd_seq_port_unlock(aport);
+ snd_seq_client_unlock(c);
}
}
@@ -264,8 +265,8 @@ static int port_delete(struct snd_seq_client *client,
snd_use_lock_sync(&port->use_lock);
/* clear subscribers info */
- clear_subscriber_list(client, port, &port->c_src, SRC_LIST);
- clear_subscriber_list(client, port, &port->c_dest, DEST_LIST);
+ clear_subscriber_list(client, port, &port->c_src, true);
+ clear_subscriber_list(client, port, &port->c_dest, false);
if (port->private_free)
port->private_free(port->private_data);
@@ -484,85 +485,120 @@ static int match_subs_info(struct snd_seq_port_subscribe *r,
return 0;
}
-
-/* connect two ports */
-int snd_seq_port_connect(struct snd_seq_client *connector,
- struct snd_seq_client *src_client,
- struct snd_seq_client_port *src_port,
- struct snd_seq_client *dest_client,
- struct snd_seq_client_port *dest_port,
- struct snd_seq_port_subscribe *info)
+static int check_and_subscribe_port(struct snd_seq_client *client,
+ struct snd_seq_client_port *port,
+ struct snd_seq_subscribers *subs,
+ bool is_src, bool exclusive, bool ack)
{
- struct snd_seq_port_subs_info *src = &src_port->c_src;
- struct snd_seq_port_subs_info *dest = &dest_port->c_dest;
- struct snd_seq_subscribers *subs, *s;
- int err, src_called = 0;
- unsigned long flags;
- int exclusive;
+ struct snd_seq_port_subs_info *grp;
+ struct list_head *p;
+ struct snd_seq_subscribers *s;
+ int err;
- subs = kzalloc(sizeof(*subs), GFP_KERNEL);
- if (! subs)
- return -ENOMEM;
-
- subs->info = *info;
- atomic_set(&subs->ref_count, 2);
-
- down_write(&src->list_mutex);
- down_write_nested(&dest->list_mutex, SINGLE_DEPTH_NESTING);
-
- exclusive = info->flags & SNDRV_SEQ_PORT_SUBS_EXCLUSIVE ? 1 : 0;
+ grp = is_src ? &port->c_src : &port->c_dest;
err = -EBUSY;
+ down_write(&grp->list_mutex);
if (exclusive) {
- if (! list_empty(&src->list_head) || ! list_empty(&dest->list_head))
+ if (!list_empty(&grp->list_head))
goto __error;
} else {
- if (src->exclusive || dest->exclusive)
+ if (grp->exclusive)
goto __error;
/* check whether already exists */
- list_for_each_entry(s, &src->list_head, src_list) {
- if (match_subs_info(info, &s->info))
- goto __error;
- }
- list_for_each_entry(s, &dest->list_head, dest_list) {
- if (match_subs_info(info, &s->info))
+ list_for_each(p, &grp->list_head) {
+ s = get_subscriber(p, is_src);
+ if (match_subs_info(&subs->info, &s->info))
goto __error;
}
}
- if ((err = subscribe_port(src_client, src_port, src, info,
- connector->number != src_client->number)) < 0)
- goto __error;
- src_called = 1;
-
- if ((err = subscribe_port(dest_client, dest_port, dest, info,
- connector->number != dest_client->number)) < 0)
+ err = subscribe_port(client, port, grp, &subs->info, ack);
+ if (err < 0) {
+ grp->exclusive = 0;
goto __error;
+ }
/* add to list */
- write_lock_irqsave(&src->list_lock, flags);
- // write_lock(&dest->list_lock); // no other lock yet
- list_add_tail(&subs->src_list, &src->list_head);
- list_add_tail(&subs->dest_list, &dest->list_head);
- // write_unlock(&dest->list_lock); // no other lock yet
- write_unlock_irqrestore(&src->list_lock, flags);
+ write_lock_irq(&grp->list_lock);
+ if (is_src)
+ list_add_tail(&subs->src_list, &grp->list_head);
+ else
+ list_add_tail(&subs->dest_list, &grp->list_head);
+ grp->exclusive = exclusive;
+ atomic_inc(&subs->ref_count);
+ write_unlock_irq(&grp->list_lock);
+ err = 0;
+
+ __error:
+ up_write(&grp->list_mutex);
+ return err;
+}
- src->exclusive = dest->exclusive = exclusive;
+static void delete_and_unsubscribe_port(struct snd_seq_client *client,
+ struct snd_seq_client_port *port,
+ struct snd_seq_subscribers *subs,
+ bool is_src, bool ack)
+{
+ struct snd_seq_port_subs_info *grp;
+
+ grp = is_src ? &port->c_src : &port->c_dest;
+ down_write(&grp->list_mutex);
+ write_lock_irq(&grp->list_lock);
+ if (is_src)
+ list_del(&subs->src_list);
+ else
+ list_del(&subs->dest_list);
+ grp->exclusive = 0;
+ write_unlock_irq(&grp->list_lock);
+ up_write(&grp->list_mutex);
+
+ unsubscribe_port(client, port, grp, &subs->info, ack);
+}
+
+/* connect two ports */
+int snd_seq_port_connect(struct snd_seq_client *connector,
+ struct snd_seq_client *src_client,
+ struct snd_seq_client_port *src_port,
+ struct snd_seq_client *dest_client,
+ struct snd_seq_client_port *dest_port,
+ struct snd_seq_port_subscribe *info)
+{
+ struct snd_seq_subscribers *subs;
+ bool exclusive;
+ int err;
+
+ subs = kzalloc(sizeof(*subs), GFP_KERNEL);
+ if (!subs)
+ return -ENOMEM;
+
+ subs->info = *info;
+ atomic_set(&subs->ref_count, 0);
+ INIT_LIST_HEAD(&subs->src_list);
+ INIT_LIST_HEAD(&subs->dest_list);
+
+ exclusive = !!(info->flags & SNDRV_SEQ_PORT_SUBS_EXCLUSIVE);
+
+ err = check_and_subscribe_port(src_client, src_port, subs, true,
+ exclusive,
+ connector->number != src_client->number);
+ if (err < 0)
+ goto error;
+ err = check_and_subscribe_port(dest_client, dest_port, subs, false,
+ exclusive,
+ connector->number != dest_client->number);
+ if (err < 0)
+ goto error_dest;
- up_write(&dest->list_mutex);
- up_write(&src->list_mutex);
return 0;
- __error:
- if (src_called)
- unsubscribe_port(src_client, src_port, src, info,
- connector->number != src_client->number);
+ error_dest:
+ delete_and_unsubscribe_port(src_client, src_port, subs, true,
+ connector->number != src_client->number);
+ error:
kfree(subs);
- up_write(&dest->list_mutex);
- up_write(&src->list_mutex);
return err;
}
-
/* remove the connection */
int snd_seq_port_disconnect(struct snd_seq_client *connector,
struct snd_seq_client *src_client,
@@ -572,37 +608,28 @@ int snd_seq_port_disconnect(struct snd_seq_client *connector,
struct snd_seq_port_subscribe *info)
{
struct snd_seq_port_subs_info *src = &src_port->c_src;
- struct snd_seq_port_subs_info *dest = &dest_port->c_dest;
struct snd_seq_subscribers *subs;
int err = -ENOENT;
- unsigned long flags;
down_write(&src->list_mutex);
- down_write_nested(&dest->list_mutex, SINGLE_DEPTH_NESTING);
-
/* look for the connection */
list_for_each_entry(subs, &src->list_head, src_list) {
if (match_subs_info(info, &subs->info)) {
- write_lock_irqsave(&src->list_lock, flags);
- // write_lock(&dest->list_lock); // no lock yet
- list_del(&subs->src_list);
- list_del(&subs->dest_list);
- // write_unlock(&dest->list_lock);
- write_unlock_irqrestore(&src->list_lock, flags);
- src->exclusive = dest->exclusive = 0;
- unsubscribe_port(src_client, src_port, src, info,
- connector->number != src_client->number);
- unsubscribe_port(dest_client, dest_port, dest, info,
- connector->number != dest_client->number);
- kfree(subs);
+ atomic_dec(&subs->ref_count); /* mark as not ready */
err = 0;
break;
}
}
-
- up_write(&dest->list_mutex);
up_write(&src->list_mutex);
- return err;
+ if (err < 0)
+ return err;
+
+ delete_and_unsubscribe_port(src_client, src_port, subs, true,
+ connector->number != src_client->number);
+ delete_and_unsubscribe_port(dest_client, dest_port, subs, false,
+ connector->number != dest_client->number);
+ kfree(subs);
+ return 0;
}
diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c
index 24d44b2f61ac..6ec30a98a92a 100644
--- a/sound/core/seq/seq_timer.c
+++ b/sound/core/seq/seq_timer.c
@@ -92,6 +92,9 @@ void snd_seq_timer_delete(struct snd_seq_timer **tmr)
void snd_seq_timer_defaults(struct snd_seq_timer * tmr)
{
+ unsigned long flags;
+
+ spin_lock_irqsave(&tmr->lock, flags);
/* setup defaults */
tmr->ppq = 96; /* 96 PPQ */
tmr->tempo = 500000; /* 120 BPM */
@@ -107,21 +110,25 @@ void snd_seq_timer_defaults(struct snd_seq_timer * tmr)
tmr->preferred_resolution = seq_default_timer_resolution;
tmr->skew = tmr->skew_base = SKEW_BASE;
+ spin_unlock_irqrestore(&tmr->lock, flags);
}
-void snd_seq_timer_reset(struct snd_seq_timer * tmr)
+static void seq_timer_reset(struct snd_seq_timer *tmr)
{
- unsigned long flags;
-
- spin_lock_irqsave(&tmr->lock, flags);
-
/* reset time & songposition */
tmr->cur_time.tv_sec = 0;
tmr->cur_time.tv_nsec = 0;
tmr->tick.cur_tick = 0;
tmr->tick.fraction = 0;
+}
+
+void snd_seq_timer_reset(struct snd_seq_timer *tmr)
+{
+ unsigned long flags;
+ spin_lock_irqsave(&tmr->lock, flags);
+ seq_timer_reset(tmr);
spin_unlock_irqrestore(&tmr->lock, flags);
}
@@ -140,8 +147,11 @@ static void snd_seq_timer_interrupt(struct snd_timer_instance *timeri,
tmr = q->timer;
if (tmr == NULL)
return;
- if (!tmr->running)
+ spin_lock_irqsave(&tmr->lock, flags);
+ if (!tmr->running) {
+ spin_unlock_irqrestore(&tmr->lock, flags);
return;
+ }
resolution *= ticks;
if (tmr->skew != tmr->skew_base) {
@@ -150,8 +160,6 @@ static void snd_seq_timer_interrupt(struct snd_timer_instance *timeri,
(((resolution & 0xffff) * tmr->skew) >> 16);
}
- spin_lock_irqsave(&tmr->lock, flags);
-
/* update timer */
snd_seq_inc_time_nsec(&tmr->cur_time, resolution);
@@ -298,26 +306,30 @@ int snd_seq_timer_open(struct snd_seq_queue *q)
t->callback = snd_seq_timer_interrupt;
t->callback_data = q;
t->flags |= SNDRV_TIMER_IFLG_AUTO;
+ spin_lock_irq(&tmr->lock);
tmr->timeri = t;
+ spin_unlock_irq(&tmr->lock);
return 0;
}
int snd_seq_timer_close(struct snd_seq_queue *q)
{
struct snd_seq_timer *tmr;
+ struct snd_timer_instance *t;
tmr = q->timer;
if (snd_BUG_ON(!tmr))
return -EINVAL;
- if (tmr->timeri) {
- snd_timer_stop(tmr->timeri);
- snd_timer_close(tmr->timeri);
- tmr->timeri = NULL;
- }
+ spin_lock_irq(&tmr->lock);
+ t = tmr->timeri;
+ tmr->timeri = NULL;
+ spin_unlock_irq(&tmr->lock);
+ if (t)
+ snd_timer_close(t);
return 0;
}
-int snd_seq_timer_stop(struct snd_seq_timer * tmr)
+static int seq_timer_stop(struct snd_seq_timer *tmr)
{
if (! tmr->timeri)
return -EINVAL;
@@ -328,6 +340,17 @@ int snd_seq_timer_stop(struct snd_seq_timer * tmr)
return 0;
}
+int snd_seq_timer_stop(struct snd_seq_timer *tmr)
+{
+ unsigned long flags;
+ int err;
+
+ spin_lock_irqsave(&tmr->lock, flags);
+ err = seq_timer_stop(tmr);
+ spin_unlock_irqrestore(&tmr->lock, flags);
+ return err;
+}
+
static int initialize_timer(struct snd_seq_timer *tmr)
{
struct snd_timer *t;
@@ -360,13 +383,13 @@ static int initialize_timer(struct snd_seq_timer *tmr)
return 0;
}
-int snd_seq_timer_start(struct snd_seq_timer * tmr)
+static int seq_timer_start(struct snd_seq_timer *tmr)
{
if (! tmr->timeri)
return -EINVAL;
if (tmr->running)
- snd_seq_timer_stop(tmr);
- snd_seq_timer_reset(tmr);
+ seq_timer_stop(tmr);
+ seq_timer_reset(tmr);
if (initialize_timer(tmr) < 0)
return -EINVAL;
snd_timer_start(tmr->timeri, tmr->ticks);
@@ -375,14 +398,25 @@ int snd_seq_timer_start(struct snd_seq_timer * tmr)
return 0;
}
-int snd_seq_timer_continue(struct snd_seq_timer * tmr)
+int snd_seq_timer_start(struct snd_seq_timer *tmr)
+{
+ unsigned long flags;
+ int err;
+
+ spin_lock_irqsave(&tmr->lock, flags);
+ err = seq_timer_start(tmr);
+ spin_unlock_irqrestore(&tmr->lock, flags);
+ return err;
+}
+
+static int seq_timer_continue(struct snd_seq_timer *tmr)
{
if (! tmr->timeri)
return -EINVAL;
if (tmr->running)
return -EBUSY;
if (! tmr->initialized) {
- snd_seq_timer_reset(tmr);
+ seq_timer_reset(tmr);
if (initialize_timer(tmr) < 0)
return -EINVAL;
}
@@ -392,11 +426,24 @@ int snd_seq_timer_continue(struct snd_seq_timer * tmr)
return 0;
}
+int snd_seq_timer_continue(struct snd_seq_timer *tmr)
+{
+ unsigned long flags;
+ int err;
+
+ spin_lock_irqsave(&tmr->lock, flags);
+ err = seq_timer_continue(tmr);
+ spin_unlock_irqrestore(&tmr->lock, flags);
+ return err;
+}
+
/* return current 'real' time. use timeofday() to get better granularity. */
snd_seq_real_time_t snd_seq_timer_get_cur_time(struct snd_seq_timer *tmr)
{
snd_seq_real_time_t cur_time;
+ unsigned long flags;
+ spin_lock_irqsave(&tmr->lock, flags);
cur_time = tmr->cur_time;
if (tmr->running) {
struct timeval tm;
@@ -412,7 +459,7 @@ snd_seq_real_time_t snd_seq_timer_get_cur_time(struct snd_seq_timer *tmr)
}
snd_seq_sanity_real_time(&cur_time);
}
-
+ spin_unlock_irqrestore(&tmr->lock, flags);
return cur_time;
}
diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c
index 4b50e604276d..0fa691e01384 100644
--- a/sound/core/seq/seq_virmidi.c
+++ b/sound/core/seq/seq_virmidi.c
@@ -254,9 +254,13 @@ static int snd_virmidi_output_open(struct snd_rawmidi_substream *substream)
*/
static int snd_virmidi_input_close(struct snd_rawmidi_substream *substream)
{
+ struct snd_virmidi_dev *rdev = substream->rmidi->private_data;
struct snd_virmidi *vmidi = substream->runtime->private_data;
- snd_midi_event_free(vmidi->parser);
+
+ write_lock_irq(&rdev->filelist_lock);
list_del(&vmidi->list);
+ write_unlock_irq(&rdev->filelist_lock);
+ snd_midi_event_free(vmidi->parser);
substream->runtime->private_data = NULL;
kfree(vmidi);
return 0;
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 4e436fe53afa..d90d8f4b85fe 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -300,8 +300,7 @@ int snd_timer_open(struct snd_timer_instance **ti,
return 0;
}
-static int _snd_timer_stop(struct snd_timer_instance *timeri,
- int keep_flag, int event);
+static int _snd_timer_stop(struct snd_timer_instance *timeri, int event);
/*
* close a timer instance
@@ -343,7 +342,7 @@ int snd_timer_close(struct snd_timer_instance *timeri)
spin_unlock_irq(&timer->lock);
mutex_lock(®ister_mutex);
list_del(&timeri->open_list);
- if (timer && list_empty(&timer->open_list_head) &&
+ if (list_empty(&timer->open_list_head) &&
timer->hw.close)
timer->hw.close(timer);
/* remove slave links */
@@ -415,7 +414,7 @@ static void snd_timer_notify1(struct snd_timer_instance *ti, int event)
spin_lock_irqsave(&timer->lock, flags);
list_for_each_entry(ts, &ti->slave_active_head, active_list)
if (ts->ccallback)
- ts->ccallback(ti, event + 100, &tstamp, resolution);
+ ts->ccallback(ts, event + 100, &tstamp, resolution);
spin_unlock_irqrestore(&timer->lock, flags);
}
@@ -444,6 +443,10 @@ static int snd_timer_start_slave(struct snd_timer_instance *timeri)
unsigned long flags;
spin_lock_irqsave(&slave_active_lock, flags);
+ if (timeri->flags & SNDRV_TIMER_IFLG_RUNNING) {
+ spin_unlock_irqrestore(&slave_active_lock, flags);
+ return -EBUSY;
+ }
timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;
if (timeri->master && timeri->timer) {
spin_lock(&timeri->timer->lock);
@@ -468,23 +471,30 @@ int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks)
return -EINVAL;
if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) {
result = snd_timer_start_slave(timeri);
- snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_START);
+ if (result >= 0)
+ snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_START);
return result;
}
timer = timeri->timer;
if (timer == NULL)
return -EINVAL;
spin_lock_irqsave(&timer->lock, flags);
+ if (timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |
+ SNDRV_TIMER_IFLG_START)) {
+ result = -EBUSY;
+ goto unlock;
+ }
timeri->ticks = timeri->cticks = ticks;
timeri->pticks = 0;
result = snd_timer_start1(timer, timeri, ticks);
+ unlock:
spin_unlock_irqrestore(&timer->lock, flags);
- snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_START);
+ if (result >= 0)
+ snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_START);
return result;
}
-static int _snd_timer_stop(struct snd_timer_instance * timeri,
- int keep_flag, int event)
+static int _snd_timer_stop(struct snd_timer_instance *timeri, int event)
{
struct snd_timer *timer;
unsigned long flags;
@@ -493,19 +503,30 @@ static int _snd_timer_stop(struct snd_timer_instance * timeri,
return -ENXIO;
if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) {
- if (!keep_flag) {
- spin_lock_irqsave(&slave_active_lock, flags);
- timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING;
- list_del_init(&timeri->ack_list);
- list_del_init(&timeri->active_list);
+ spin_lock_irqsave(&slave_active_lock, flags);
+ if (!(timeri->flags & SNDRV_TIMER_IFLG_RUNNING)) {
spin_unlock_irqrestore(&slave_active_lock, flags);
+ return -EBUSY;
}
+ if (timeri->timer)
+ spin_lock(&timeri->timer->lock);
+ timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING;
+ list_del_init(&timeri->ack_list);
+ list_del_init(&timeri->active_list);
+ if (timeri->timer)
+ spin_unlock(&timeri->timer->lock);
+ spin_unlock_irqrestore(&slave_active_lock, flags);
goto __end;
}
timer = timeri->timer;
if (!timer)
return -EINVAL;
spin_lock_irqsave(&timer->lock, flags);
+ if (!(timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |
+ SNDRV_TIMER_IFLG_START))) {
+ spin_unlock_irqrestore(&timer->lock, flags);
+ return -EBUSY;
+ }
list_del_init(&timeri->ack_list);
list_del_init(&timeri->active_list);
if ((timeri->flags & SNDRV_TIMER_IFLG_RUNNING) &&
@@ -520,9 +541,7 @@ static int _snd_timer_stop(struct snd_timer_instance * timeri,
}
}
}
- if (!keep_flag)
- timeri->flags &=
- ~(SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START);
+ timeri->flags &= ~(SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START);
spin_unlock_irqrestore(&timer->lock, flags);
__end:
if (event != SNDRV_TIMER_EVENT_RESOLUTION)
@@ -541,7 +560,7 @@ int snd_timer_stop(struct snd_timer_instance *timeri)
unsigned long flags;
int err;
- err = _snd_timer_stop(timeri, 0, SNDRV_TIMER_EVENT_STOP);
+ err = _snd_timer_stop(timeri, SNDRV_TIMER_EVENT_STOP);
if (err < 0)
return err;
timer = timeri->timer;
@@ -571,10 +590,15 @@ int snd_timer_continue(struct snd_timer_instance *timeri)
if (! timer)
return -EINVAL;
spin_lock_irqsave(&timer->lock, flags);
+ if (timeri->flags & SNDRV_TIMER_IFLG_RUNNING) {
+ result = -EBUSY;
+ goto unlock;
+ }
if (!timeri->cticks)
timeri->cticks = 1;
timeri->pticks = 0;
result = snd_timer_start1(timer, timeri, timer->sticks);
+ unlock:
spin_unlock_irqrestore(&timer->lock, flags);
snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_CONTINUE);
return result;
@@ -585,7 +609,7 @@ int snd_timer_continue(struct snd_timer_instance *timeri)
*/
int snd_timer_pause(struct snd_timer_instance * timeri)
{
- return _snd_timer_stop(timeri, 0, SNDRV_TIMER_EVENT_PAUSE);
+ return _snd_timer_stop(timeri, SNDRV_TIMER_EVENT_PAUSE);
}
/*
@@ -702,8 +726,8 @@ void snd_timer_interrupt(struct snd_timer * timer, unsigned long ticks_left)
ti->cticks = ti->ticks;
} else {
ti->flags &= ~SNDRV_TIMER_IFLG_RUNNING;
- if (--timer->running)
- list_del_init(&ti->active_list);
+ --timer->running;
+ list_del_init(&ti->active_list);
}
if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) ||
(ti->flags & SNDRV_TIMER_IFLG_FAST))
diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index 915b4d7fbb23..8946cef245fc 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -109,6 +109,9 @@ struct dummy_timer_ops {
snd_pcm_uframes_t (*pointer)(struct snd_pcm_substream *);
};
+#define get_dummy_ops(substream) \
+ (*(const struct dummy_timer_ops **)(substream)->runtime->private_data)
+
struct dummy_model {
const char *name;
int (*playback_constraints)(struct snd_pcm_runtime *runtime);
@@ -137,7 +140,6 @@ struct snd_dummy {
int iobox;
struct snd_kcontrol *cd_volume_ctl;
struct snd_kcontrol *cd_switch_ctl;
- const struct dummy_timer_ops *timer_ops;
};
/*
@@ -231,6 +233,8 @@ struct dummy_model *dummy_models[] = {
*/
struct dummy_systimer_pcm {
+ /* ops must be the first item */
+ const struct dummy_timer_ops *timer_ops;
spinlock_t lock;
struct timer_list timer;
unsigned long base_time;
@@ -368,6 +372,8 @@ static struct dummy_timer_ops dummy_systimer_ops = {
*/
struct dummy_hrtimer_pcm {
+ /* ops must be the first item */
+ const struct dummy_timer_ops *timer_ops;
ktime_t base_time;
ktime_t period_time;
atomic_t running;
@@ -494,31 +500,25 @@ static struct dummy_timer_ops dummy_hrtimer_ops = {
static int dummy_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
- struct snd_dummy *dummy = snd_pcm_substream_chip(substream);
-
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
- return dummy->timer_ops->start(substream);
+ return get_dummy_ops(substream)->start(substream);
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
- return dummy->timer_ops->stop(substream);
+ return get_dummy_ops(substream)->stop(substream);
}
return -EINVAL;
}
static int dummy_pcm_prepare(struct snd_pcm_substream *substream)
{
- struct snd_dummy *dummy = snd_pcm_substream_chip(substream);
-
- return dummy->timer_ops->prepare(substream);
+ return get_dummy_ops(substream)->prepare(substream);
}
static snd_pcm_uframes_t dummy_pcm_pointer(struct snd_pcm_substream *substream)
{
- struct snd_dummy *dummy = snd_pcm_substream_chip(substream);
-
- return dummy->timer_ops->pointer(substream);
+ return get_dummy_ops(substream)->pointer(substream);
}
static struct snd_pcm_hardware dummy_pcm_hardware = {
@@ -564,17 +564,19 @@ static int dummy_pcm_open(struct snd_pcm_substream *substream)
struct snd_dummy *dummy = snd_pcm_substream_chip(substream);
struct dummy_model *model = dummy->model;
struct snd_pcm_runtime *runtime = substream->runtime;
+ const struct dummy_timer_ops *ops;
int err;
- dummy->timer_ops = &dummy_systimer_ops;
+ ops = &dummy_systimer_ops;
#ifdef CONFIG_HIGH_RES_TIMERS
if (hrtimer)
- dummy->timer_ops = &dummy_hrtimer_ops;
+ ops = &dummy_hrtimer_ops;
#endif
- err = dummy->timer_ops->create(substream);
+ err = ops->create(substream);
if (err < 0)
return err;
+ get_dummy_ops(substream) = ops;
runtime->hw = dummy->pcm_hw;
if (substream->pcm->device & 1) {
@@ -596,7 +598,7 @@ static int dummy_pcm_open(struct snd_pcm_substream *substream)
err = model->capture_constraints(substream->runtime);
}
if (err < 0) {
- dummy->timer_ops->free(substream);
+ get_dummy_ops(substream)->free(substream);
return err;
}
return 0;
@@ -604,8 +606,7 @@ static int dummy_pcm_open(struct snd_pcm_substream *substream)
static int dummy_pcm_close(struct snd_pcm_substream *substream)
{
- struct snd_dummy *dummy = snd_pcm_substream_chip(substream);
- dummy->timer_ops->free(substream);
+ get_dummy_ops(substream)->free(substream);
return 0;
}
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 3c90743fa50b..eef182bea2ad 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -617,6 +617,7 @@ enum {
CS4208_MAC_AUTO,
CS4208_MBA6,
CS4208_MBP11,
+ CS4208_MACMINI,
CS4208_GPIO0,
};
@@ -624,6 +625,7 @@ static const struct hda_model_fixup cs4208_models[] = {
{ .id = CS4208_GPIO0, .name = "gpio0" },
{ .id = CS4208_MBA6, .name = "mba6" },
{ .id = CS4208_MBP11, .name = "mbp11" },
+ { .id = CS4208_MACMINI, .name = "macmini" },
{}
};
@@ -635,6 +637,7 @@ static const struct snd_pci_quirk cs4208_fixup_tbl[] = {
/* codec SSID matching */
static const struct snd_pci_quirk cs4208_mac_fixup_tbl[] = {
SND_PCI_QUIRK(0x106b, 0x5e00, "MacBookPro 11,2", CS4208_MBP11),
+ SND_PCI_QUIRK(0x106b, 0x6c00, "MacMini 7,1", CS4208_MACMINI),
SND_PCI_QUIRK(0x106b, 0x7100, "MacBookAir 6,1", CS4208_MBA6),
SND_PCI_QUIRK(0x106b, 0x7200, "MacBookAir 6,2", CS4208_MBA6),
SND_PCI_QUIRK(0x106b, 0x7b00, "MacBookPro 12,1", CS4208_MBP11),
@@ -667,6 +670,24 @@ static void cs4208_fixup_mac(struct hda_codec *codec,
snd_hda_apply_fixup(codec, action);
}
+/* MacMini 7,1 has the inverted jack detection */
+static void cs4208_fixup_macmini(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ static const struct hda_pintbl pincfgs[] = {
+ { 0x18, 0x00ab9150 }, /* mic (audio-in) jack: disable detect */
+ { 0x21, 0x004be140 }, /* SPDIF: disable detect */
+ { }
+ };
+
+ if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+ /* HP pin (0x10) has an inverted detection */
+ codec->inv_jack_detect = 1;
+ /* disable the bogus Mic and SPDIF jack detections */
+ snd_hda_apply_pincfgs(codec, pincfgs);
+ }
+}
+
static int cs4208_spdif_sw_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
@@ -710,6 +731,12 @@ static const struct hda_fixup cs4208_fixups[] = {
.chained = true,
.chain_id = CS4208_GPIO0,
},
+ [CS4208_MACMINI] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = cs4208_fixup_macmini,
+ .chained = true,
+ .chain_id = CS4208_GPIO0,
+ },
[CS4208_GPIO0] = {
.type = HDA_FIXUP_FUNC,
.v.func = cs4208_fixup_gpio0,
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 611110a3f1a4..55ce39df9cd7 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -426,7 +426,8 @@ static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
eld = &per_pin->sink_eld;
mutex_lock(&per_pin->lock);
- if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data)) {
+ if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
+ eld->eld_size > ELD_MAX_SIZE) {
mutex_unlock(&per_pin->lock);
snd_BUG();
return -EINVAL;
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index bd0b986f7d50..eeb5b68e9e3e 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2266,6 +2266,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
SND_PCI_QUIRK(0x104d, 0x9047, "Sony Vaio TT", ALC889_FIXUP_VAIO_TT),
SND_PCI_QUIRK(0x104d, 0x905a, "Sony Vaio Z", ALC882_FIXUP_NO_PRIMARY_HP),
SND_PCI_QUIRK(0x104d, 0x9043, "Sony Vaio VGC-LN51JGB", ALC882_FIXUP_NO_PRIMARY_HP),
+ SND_PCI_QUIRK(0x104d, 0x9044, "Sony VAIO AiO", ALC882_FIXUP_NO_PRIMARY_HP),
/* All Apple entries are in codec SSIDs */
SND_PCI_QUIRK(0x106b, 0x00a0, "MacBookPro 3,1", ALC889_FIXUP_MBP_VREF),
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index e28704e1274a..431a89b75ff3 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1404,7 +1404,8 @@ int dpcm_be_dai_hw_free(struct snd_soc_pcm_runtime *fe, int stream)
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_PREPARE) &&
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_FREE) &&
(be->dpcm[stream].state != SND_SOC_DPCM_STATE_PAUSED) &&
- (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP))
+ (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP) &&
+ (be->dpcm[stream].state != SND_SOC_DPCM_STATE_SUSPEND))
continue;
dev_dbg(be->dev, "ASoC: hw_free BE %s\n",
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 9123fc518f07..424c1e874bd3 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -2365,7 +2365,6 @@ int snd_usbmidi_create(struct snd_card *card,
else
err = snd_usbmidi_create_endpoints(umidi, endpoints);
if (err < 0) {
- snd_usbmidi_free(umidi);
return err;
}
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 901f87dea827..9a599b1bc6ba 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1128,8 +1128,12 @@ void snd_usb_set_interface_quirk(struct usb_device *dev)
* "Playback Design" products need a 50ms delay after setting the
* USB interface.
*/
- if (le16_to_cpu(dev->descriptor.idVendor) == 0x23ba)
+ switch (le16_to_cpu(dev->descriptor.idVendor)) {
+ case 0x23ba: /* Playback Design */
+ case 0x0644: /* TEAC Corp. */
mdelay(50);
+ break;
+ }
}
void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
@@ -1144,6 +1148,14 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
(requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
mdelay(20);
+ /*
+ * "TEAC Corp." products need a 20ms delay after each
+ * class compliant request
+ */
+ if ((le16_to_cpu(dev->descriptor.idVendor) == 0x0644) &&
+ (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
+ mdelay(20);
+
/* Marantz/Denon devices with USB DAC functionality need a delay
* after each class compliant request
*/
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