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Message-Id: <16367266975247@kroah.com>
Date: Fri, 12 Nov 2021 15:18:18 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.14.18
diff --git a/Makefile b/Makefile
index b792b6c17869..292faf977bb7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 14
-SUBLEVEL = 17
+SUBLEVEL = 18
EXTRAVERSION =
NAME = Opossums on Parade
diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c
index 8c065da73f8e..4e0f52660842 100644
--- a/arch/x86/kvm/ioapic.c
+++ b/arch/x86/kvm/ioapic.c
@@ -96,7 +96,7 @@ static unsigned long ioapic_read_indirect(struct kvm_ioapic *ioapic,
static void rtc_irq_eoi_tracking_reset(struct kvm_ioapic *ioapic)
{
ioapic->rtc_status.pending_eoi = 0;
- bitmap_zero(ioapic->rtc_status.dest_map.map, KVM_MAX_VCPU_ID + 1);
+ bitmap_zero(ioapic->rtc_status.dest_map.map, KVM_MAX_VCPU_ID);
}
static void kvm_rtc_eoi_tracking_restore_all(struct kvm_ioapic *ioapic);
diff --git a/arch/x86/kvm/ioapic.h b/arch/x86/kvm/ioapic.h
index 11e4065e1617..660401700075 100644
--- a/arch/x86/kvm/ioapic.h
+++ b/arch/x86/kvm/ioapic.h
@@ -43,13 +43,13 @@ struct kvm_vcpu;
struct dest_map {
/* vcpu bitmap where IRQ has been sent */
- DECLARE_BITMAP(map, KVM_MAX_VCPU_ID + 1);
+ DECLARE_BITMAP(map, KVM_MAX_VCPU_ID);
/*
* Vector sent to a given vcpu, only valid when
* the vcpu's bit in map is set
*/
- u8 vectors[KVM_MAX_VCPU_ID + 1];
+ u8 vectors[KVM_MAX_VCPU_ID];
};
diff --git a/arch/x86/kvm/mmu/spte.h b/arch/x86/kvm/mmu/spte.h
index eb7b227fc6cf..31d6456d8ac3 100644
--- a/arch/x86/kvm/mmu/spte.h
+++ b/arch/x86/kvm/mmu/spte.h
@@ -310,12 +310,7 @@ static inline bool __is_bad_mt_xwr(struct rsvd_bits_validate *rsvd_check,
static __always_inline bool is_rsvd_spte(struct rsvd_bits_validate *rsvd_check,
u64 spte, int level)
{
- /*
- * Use a bitwise-OR instead of a logical-OR to aggregate the reserved
- * bits and EPT's invalid memtype/XWR checks to avoid an extra Jcc
- * (this is extremely unlikely to be short-circuited as true).
- */
- return __is_bad_mt_xwr(rsvd_check, spte) |
+ return __is_bad_mt_xwr(rsvd_check, spte) ||
__is_rsvd_bits_set(rsvd_check, spte, level);
}
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 9edb776249ef..f601b2fbe9d6 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -1870,7 +1870,7 @@ static void binder_transaction_buffer_release(struct binder_proc *proc,
binder_dec_node(buffer->target_node, 1, 0);
off_start_offset = ALIGN(buffer->data_size, sizeof(void *));
- off_end_offset = is_failure ? failed_at :
+ off_end_offset = is_failure && failed_at ? failed_at :
off_start_offset + buffer->offsets_size;
for (buffer_offset = off_start_offset; buffer_offset < off_end_offset;
buffer_offset += sizeof(binder_size_t)) {
@@ -1956,9 +1956,8 @@ static void binder_transaction_buffer_release(struct binder_proc *proc,
binder_size_t fd_buf_size;
binder_size_t num_valid;
- if (proc->tsk != current->group_leader) {
+ if (is_failure) {
/*
- * Nothing to do if running in sender context
* The fd fixups have not been applied so no
* fds need to be closed.
*/
@@ -2056,7 +2055,7 @@ static int binder_translate_binder(struct flat_binder_object *fp,
ret = -EINVAL;
goto done;
}
- if (security_binder_transfer_binder(proc->tsk, target_proc->tsk)) {
+ if (security_binder_transfer_binder(proc->cred, target_proc->cred)) {
ret = -EPERM;
goto done;
}
@@ -2102,7 +2101,7 @@ static int binder_translate_handle(struct flat_binder_object *fp,
proc->pid, thread->pid, fp->handle);
return -EINVAL;
}
- if (security_binder_transfer_binder(proc->tsk, target_proc->tsk)) {
+ if (security_binder_transfer_binder(proc->cred, target_proc->cred)) {
ret = -EPERM;
goto done;
}
@@ -2190,7 +2189,7 @@ static int binder_translate_fd(u32 fd, binder_size_t fd_offset,
ret = -EBADF;
goto err_fget;
}
- ret = security_binder_transfer_file(proc->tsk, target_proc->tsk, file);
+ ret = security_binder_transfer_file(proc->cred, target_proc->cred, file);
if (ret < 0) {
ret = -EPERM;
goto err_security;
@@ -2595,8 +2594,8 @@ static void binder_transaction(struct binder_proc *proc,
return_error_line = __LINE__;
goto err_invalid_target_handle;
}
- if (security_binder_transaction(proc->tsk,
- target_proc->tsk) < 0) {
+ if (security_binder_transaction(proc->cred,
+ target_proc->cred) < 0) {
return_error = BR_FAILED_REPLY;
return_error_param = -EPERM;
return_error_line = __LINE__;
@@ -2711,7 +2710,7 @@ static void binder_transaction(struct binder_proc *proc,
t->from = thread;
else
t->from = NULL;
- t->sender_euid = task_euid(proc->tsk);
+ t->sender_euid = proc->cred->euid;
t->to_proc = target_proc;
t->to_thread = target_thread;
t->code = tr->code;
@@ -2722,16 +2721,7 @@ static void binder_transaction(struct binder_proc *proc,
u32 secid;
size_t added_size;
- /*
- * Arguably this should be the task's subjective LSM secid but
- * we can't reliably access the subjective creds of a task
- * other than our own so we must use the objective creds, which
- * are safe to access. The downside is that if a task is
- * temporarily overriding it's creds it will not be reflected
- * here; however, it isn't clear that binder would handle that
- * case well anyway.
- */
- security_task_getsecid_obj(proc->tsk, &secid);
+ security_cred_getsecid(proc->cred, &secid);
ret = security_secid_to_secctx(secid, &secctx, &secctx_sz);
if (ret) {
return_error = BR_FAILED_REPLY;
@@ -3185,6 +3175,7 @@ static void binder_transaction(struct binder_proc *proc,
* binder_free_buf() - free the specified buffer
* @proc: binder proc that owns buffer
* @buffer: buffer to be freed
+ * @is_failure: failed to send transaction
*
* If buffer for an async transaction, enqueue the next async
* transaction from the node.
@@ -3194,7 +3185,7 @@ static void binder_transaction(struct binder_proc *proc,
static void
binder_free_buf(struct binder_proc *proc,
struct binder_thread *thread,
- struct binder_buffer *buffer)
+ struct binder_buffer *buffer, bool is_failure)
{
binder_inner_proc_lock(proc);
if (buffer->transaction) {
@@ -3222,7 +3213,7 @@ binder_free_buf(struct binder_proc *proc,
binder_node_inner_unlock(buf_node);
}
trace_binder_transaction_buffer_release(buffer);
- binder_transaction_buffer_release(proc, thread, buffer, 0, false);
+ binder_transaction_buffer_release(proc, thread, buffer, 0, is_failure);
binder_alloc_free_buf(&proc->alloc, buffer);
}
@@ -3424,7 +3415,7 @@ static int binder_thread_write(struct binder_proc *proc,
proc->pid, thread->pid, (u64)data_ptr,
buffer->debug_id,
buffer->transaction ? "active" : "finished");
- binder_free_buf(proc, thread, buffer);
+ binder_free_buf(proc, thread, buffer, false);
break;
}
@@ -4117,7 +4108,7 @@ static int binder_thread_read(struct binder_proc *proc,
buffer->transaction = NULL;
binder_cleanup_transaction(t, "fd fixups failed",
BR_FAILED_REPLY);
- binder_free_buf(proc, thread, buffer);
+ binder_free_buf(proc, thread, buffer, true);
binder_debug(BINDER_DEBUG_FAILED_TRANSACTION,
"%d:%d %stransaction %d fd fixups failed %d/%d, line %d\n",
proc->pid, thread->pid,
@@ -4353,6 +4344,7 @@ static void binder_free_proc(struct binder_proc *proc)
}
binder_alloc_deferred_release(&proc->alloc);
put_task_struct(proc->tsk);
+ put_cred(proc->cred);
binder_stats_deleted(BINDER_STAT_PROC);
kfree(proc);
}
@@ -4564,7 +4556,7 @@ static int binder_ioctl_set_ctx_mgr(struct file *filp,
ret = -EBUSY;
goto out;
}
- ret = security_binder_set_context_mgr(proc->tsk);
+ ret = security_binder_set_context_mgr(proc->cred);
if (ret < 0)
goto out;
if (uid_valid(context->binder_context_mgr_uid)) {
@@ -5055,6 +5047,7 @@ static int binder_open(struct inode *nodp, struct file *filp)
spin_lock_init(&proc->outer_lock);
get_task_struct(current->group_leader);
proc->tsk = current->group_leader;
+ proc->cred = get_cred(filp->f_cred);
INIT_LIST_HEAD(&proc->todo);
init_waitqueue_head(&proc->freeze_wait);
proc->default_priority = task_nice(current);
diff --git a/drivers/android/binder_internal.h b/drivers/android/binder_internal.h
index 402c4d4362a8..d6b6b8cb7346 100644
--- a/drivers/android/binder_internal.h
+++ b/drivers/android/binder_internal.h
@@ -364,6 +364,9 @@ struct binder_ref {
* (invariant after initialized)
* @tsk task_struct for group_leader of process
* (invariant after initialized)
+ * @cred struct cred associated with the `struct file`
+ * in binder_open()
+ * (invariant after initialized)
* @deferred_work_node: element for binder_deferred_list
* (protected by binder_deferred_lock)
* @deferred_work: bitmap of deferred work to perform
@@ -426,6 +429,7 @@ struct binder_proc {
struct list_head waiting_threads;
int pid;
struct task_struct *tsk;
+ const struct cred *cred;
struct hlist_node deferred_work_node;
int deferred_work;
int outstanding_txns;
diff --git a/drivers/comedi/drivers/dt9812.c b/drivers/comedi/drivers/dt9812.c
index 634f57730c1e..704b04d2980d 100644
--- a/drivers/comedi/drivers/dt9812.c
+++ b/drivers/comedi/drivers/dt9812.c
@@ -32,6 +32,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/errno.h>
+#include <linux/slab.h>
#include <linux/uaccess.h>
#include "../comedi_usb.h"
@@ -237,22 +238,42 @@ static int dt9812_read_info(struct comedi_device *dev,
{
struct usb_device *usb = comedi_to_usb_dev(dev);
struct dt9812_private *devpriv = dev->private;
- struct dt9812_usb_cmd cmd;
+ struct dt9812_usb_cmd *cmd;
+ size_t tbuf_size;
int count, ret;
+ void *tbuf;
- cmd.cmd = cpu_to_le32(DT9812_R_FLASH_DATA);
- cmd.u.flash_data_info.address =
+ tbuf_size = max(sizeof(*cmd), buf_size);
+
+ tbuf = kzalloc(tbuf_size, GFP_KERNEL);
+ if (!tbuf)
+ return -ENOMEM;
+
+ cmd = tbuf;
+
+ cmd->cmd = cpu_to_le32(DT9812_R_FLASH_DATA);
+ cmd->u.flash_data_info.address =
cpu_to_le16(DT9812_DIAGS_BOARD_INFO_ADDR + offset);
- cmd.u.flash_data_info.numbytes = cpu_to_le16(buf_size);
+ cmd->u.flash_data_info.numbytes = cpu_to_le16(buf_size);
/* DT9812 only responds to 32 byte writes!! */
ret = usb_bulk_msg(usb, usb_sndbulkpipe(usb, devpriv->cmd_wr.addr),
- &cmd, 32, &count, DT9812_USB_TIMEOUT);
+ cmd, sizeof(*cmd), &count, DT9812_USB_TIMEOUT);
if (ret)
- return ret;
+ goto out;
+
+ ret = usb_bulk_msg(usb, usb_rcvbulkpipe(usb, devpriv->cmd_rd.addr),
+ tbuf, buf_size, &count, DT9812_USB_TIMEOUT);
+ if (!ret) {
+ if (count == buf_size)
+ memcpy(buf, tbuf, buf_size);
+ else
+ ret = -EREMOTEIO;
+ }
+out:
+ kfree(tbuf);
- return usb_bulk_msg(usb, usb_rcvbulkpipe(usb, devpriv->cmd_rd.addr),
- buf, buf_size, &count, DT9812_USB_TIMEOUT);
+ return ret;
}
static int dt9812_read_multiple_registers(struct comedi_device *dev,
@@ -261,22 +282,42 @@ static int dt9812_read_multiple_registers(struct comedi_device *dev,
{
struct usb_device *usb = comedi_to_usb_dev(dev);
struct dt9812_private *devpriv = dev->private;
- struct dt9812_usb_cmd cmd;
+ struct dt9812_usb_cmd *cmd;
int i, count, ret;
+ size_t buf_size;
+ void *buf;
- cmd.cmd = cpu_to_le32(DT9812_R_MULTI_BYTE_REG);
- cmd.u.read_multi_info.count = reg_count;
+ buf_size = max_t(size_t, sizeof(*cmd), reg_count);
+
+ buf = kzalloc(buf_size, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ cmd = buf;
+
+ cmd->cmd = cpu_to_le32(DT9812_R_MULTI_BYTE_REG);
+ cmd->u.read_multi_info.count = reg_count;
for (i = 0; i < reg_count; i++)
- cmd.u.read_multi_info.address[i] = address[i];
+ cmd->u.read_multi_info.address[i] = address[i];
/* DT9812 only responds to 32 byte writes!! */
ret = usb_bulk_msg(usb, usb_sndbulkpipe(usb, devpriv->cmd_wr.addr),
- &cmd, 32, &count, DT9812_USB_TIMEOUT);
+ cmd, sizeof(*cmd), &count, DT9812_USB_TIMEOUT);
if (ret)
- return ret;
+ goto out;
+
+ ret = usb_bulk_msg(usb, usb_rcvbulkpipe(usb, devpriv->cmd_rd.addr),
+ buf, reg_count, &count, DT9812_USB_TIMEOUT);
+ if (!ret) {
+ if (count == reg_count)
+ memcpy(value, buf, reg_count);
+ else
+ ret = -EREMOTEIO;
+ }
+out:
+ kfree(buf);
- return usb_bulk_msg(usb, usb_rcvbulkpipe(usb, devpriv->cmd_rd.addr),
- value, reg_count, &count, DT9812_USB_TIMEOUT);
+ return ret;
}
static int dt9812_write_multiple_registers(struct comedi_device *dev,
@@ -285,19 +326,27 @@ static int dt9812_write_multiple_registers(struct comedi_device *dev,
{
struct usb_device *usb = comedi_to_usb_dev(dev);
struct dt9812_private *devpriv = dev->private;
- struct dt9812_usb_cmd cmd;
+ struct dt9812_usb_cmd *cmd;
int i, count;
+ int ret;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
- cmd.cmd = cpu_to_le32(DT9812_W_MULTI_BYTE_REG);
- cmd.u.read_multi_info.count = reg_count;
+ cmd->cmd = cpu_to_le32(DT9812_W_MULTI_BYTE_REG);
+ cmd->u.read_multi_info.count = reg_count;
for (i = 0; i < reg_count; i++) {
- cmd.u.write_multi_info.write[i].address = address[i];
- cmd.u.write_multi_info.write[i].value = value[i];
+ cmd->u.write_multi_info.write[i].address = address[i];
+ cmd->u.write_multi_info.write[i].value = value[i];
}
/* DT9812 only responds to 32 byte writes!! */
- return usb_bulk_msg(usb, usb_sndbulkpipe(usb, devpriv->cmd_wr.addr),
- &cmd, 32, &count, DT9812_USB_TIMEOUT);
+ ret = usb_bulk_msg(usb, usb_sndbulkpipe(usb, devpriv->cmd_wr.addr),
+ cmd, sizeof(*cmd), &count, DT9812_USB_TIMEOUT);
+ kfree(cmd);
+
+ return ret;
}
static int dt9812_rmw_multiple_registers(struct comedi_device *dev,
@@ -306,17 +355,25 @@ static int dt9812_rmw_multiple_registers(struct comedi_device *dev,
{
struct usb_device *usb = comedi_to_usb_dev(dev);
struct dt9812_private *devpriv = dev->private;
- struct dt9812_usb_cmd cmd;
+ struct dt9812_usb_cmd *cmd;
int i, count;
+ int ret;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
- cmd.cmd = cpu_to_le32(DT9812_RMW_MULTI_BYTE_REG);
- cmd.u.rmw_multi_info.count = reg_count;
+ cmd->cmd = cpu_to_le32(DT9812_RMW_MULTI_BYTE_REG);
+ cmd->u.rmw_multi_info.count = reg_count;
for (i = 0; i < reg_count; i++)
- cmd.u.rmw_multi_info.rmw[i] = rmw[i];
+ cmd->u.rmw_multi_info.rmw[i] = rmw[i];
/* DT9812 only responds to 32 byte writes!! */
- return usb_bulk_msg(usb, usb_sndbulkpipe(usb, devpriv->cmd_wr.addr),
- &cmd, 32, &count, DT9812_USB_TIMEOUT);
+ ret = usb_bulk_msg(usb, usb_sndbulkpipe(usb, devpriv->cmd_wr.addr),
+ cmd, sizeof(*cmd), &count, DT9812_USB_TIMEOUT);
+ kfree(cmd);
+
+ return ret;
}
static int dt9812_digital_in(struct comedi_device *dev, u8 *bits)
diff --git a/drivers/comedi/drivers/ni_usb6501.c b/drivers/comedi/drivers/ni_usb6501.c
index 5b6d9d783b2f..c42987b74b1d 100644
--- a/drivers/comedi/drivers/ni_usb6501.c
+++ b/drivers/comedi/drivers/ni_usb6501.c
@@ -144,6 +144,10 @@ static const u8 READ_COUNTER_RESPONSE[] = {0x00, 0x01, 0x00, 0x10,
0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00};
+/* Largest supported packets */
+static const size_t TX_MAX_SIZE = sizeof(SET_PORT_DIR_REQUEST);
+static const size_t RX_MAX_SIZE = sizeof(READ_PORT_RESPONSE);
+
enum commands {
READ_PORT,
WRITE_PORT,
@@ -501,6 +505,12 @@ static int ni6501_find_endpoints(struct comedi_device *dev)
if (!devpriv->ep_rx || !devpriv->ep_tx)
return -ENODEV;
+ if (usb_endpoint_maxp(devpriv->ep_rx) < RX_MAX_SIZE)
+ return -ENODEV;
+
+ if (usb_endpoint_maxp(devpriv->ep_tx) < TX_MAX_SIZE)
+ return -ENODEV;
+
return 0;
}
diff --git a/drivers/comedi/drivers/vmk80xx.c b/drivers/comedi/drivers/vmk80xx.c
index 9f920819cd74..4b00a9ea611a 100644
--- a/drivers/comedi/drivers/vmk80xx.c
+++ b/drivers/comedi/drivers/vmk80xx.c
@@ -90,6 +90,9 @@ enum {
#define IC3_VERSION BIT(0)
#define IC6_VERSION BIT(1)
+#define MIN_BUF_SIZE 64
+#define PACKET_TIMEOUT 10000 /* ms */
+
enum vmk80xx_model {
VMK8055_MODEL,
VMK8061_MODEL
@@ -157,22 +160,21 @@ static void vmk80xx_do_bulk_msg(struct comedi_device *dev)
__u8 rx_addr;
unsigned int tx_pipe;
unsigned int rx_pipe;
- size_t size;
+ size_t tx_size;
+ size_t rx_size;
tx_addr = devpriv->ep_tx->bEndpointAddress;
rx_addr = devpriv->ep_rx->bEndpointAddress;
tx_pipe = usb_sndbulkpipe(usb, tx_addr);
rx_pipe = usb_rcvbulkpipe(usb, rx_addr);
+ tx_size = usb_endpoint_maxp(devpriv->ep_tx);
+ rx_size = usb_endpoint_maxp(devpriv->ep_rx);
- /*
- * The max packet size attributes of the K8061
- * input/output endpoints are identical
- */
- size = usb_endpoint_maxp(devpriv->ep_tx);
+ usb_bulk_msg(usb, tx_pipe, devpriv->usb_tx_buf, tx_size, NULL,
+ PACKET_TIMEOUT);
- usb_bulk_msg(usb, tx_pipe, devpriv->usb_tx_buf,
- size, NULL, devpriv->ep_tx->bInterval);
- usb_bulk_msg(usb, rx_pipe, devpriv->usb_rx_buf, size, NULL, HZ * 10);
+ usb_bulk_msg(usb, rx_pipe, devpriv->usb_rx_buf, rx_size, NULL,
+ PACKET_TIMEOUT);
}
static int vmk80xx_read_packet(struct comedi_device *dev)
@@ -191,7 +193,7 @@ static int vmk80xx_read_packet(struct comedi_device *dev)
pipe = usb_rcvintpipe(usb, ep->bEndpointAddress);
return usb_interrupt_msg(usb, pipe, devpriv->usb_rx_buf,
usb_endpoint_maxp(ep), NULL,
- HZ * 10);
+ PACKET_TIMEOUT);
}
static int vmk80xx_write_packet(struct comedi_device *dev, int cmd)
@@ -212,7 +214,7 @@ static int vmk80xx_write_packet(struct comedi_device *dev, int cmd)
pipe = usb_sndintpipe(usb, ep->bEndpointAddress);
return usb_interrupt_msg(usb, pipe, devpriv->usb_tx_buf,
usb_endpoint_maxp(ep), NULL,
- HZ * 10);
+ PACKET_TIMEOUT);
}
static int vmk80xx_reset_device(struct comedi_device *dev)
@@ -678,12 +680,12 @@ static int vmk80xx_alloc_usb_buffers(struct comedi_device *dev)
struct vmk80xx_private *devpriv = dev->private;
size_t size;
- size = usb_endpoint_maxp(devpriv->ep_rx);
+ size = max(usb_endpoint_maxp(devpriv->ep_rx), MIN_BUF_SIZE);
devpriv->usb_rx_buf = kzalloc(size, GFP_KERNEL);
if (!devpriv->usb_rx_buf)
return -ENOMEM;
- size = usb_endpoint_maxp(devpriv->ep_tx);
+ size = max(usb_endpoint_maxp(devpriv->ep_rx), MIN_BUF_SIZE);
devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL);
if (!devpriv->usb_tx_buf)
return -ENOMEM;
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c
index 416976f09888..e97f92915ed9 100644
--- a/drivers/net/wireless/rsi/rsi_91x_usb.c
+++ b/drivers/net/wireless/rsi/rsi_91x_usb.c
@@ -61,7 +61,7 @@ static int rsi_usb_card_write(struct rsi_hw *adapter,
(void *)seg,
(int)len,
&transfer,
- HZ * 5);
+ USB_CTRL_SET_TIMEOUT);
if (status < 0) {
rsi_dbg(ERR_ZONE,
diff --git a/drivers/staging/media/ipu3/ipu3-css-fw.c b/drivers/staging/media/ipu3/ipu3-css-fw.c
index 45aff76198e2..981693eed815 100644
--- a/drivers/staging/media/ipu3/ipu3-css-fw.c
+++ b/drivers/staging/media/ipu3/ipu3-css-fw.c
@@ -124,12 +124,11 @@ int imgu_css_fw_init(struct imgu_css *css)
/* Check and display fw header info */
css->fwp = (struct imgu_fw_header *)css->fw->data;
- if (css->fw->size < sizeof(struct imgu_fw_header *) ||
+ if (css->fw->size < struct_size(css->fwp, binary_header, 1) ||
css->fwp->file_header.h_size != sizeof(struct imgu_fw_bi_file_h))
goto bad_fw;
- if (sizeof(struct imgu_fw_bi_file_h) +
- css->fwp->file_header.binary_nr * sizeof(struct imgu_fw_info) >
- css->fw->size)
+ if (struct_size(css->fwp, binary_header,
+ css->fwp->file_header.binary_nr) > css->fw->size)
goto bad_fw;
dev_info(dev, "loaded firmware version %.64s, %u binaries, %zu bytes\n",
diff --git a/drivers/staging/media/ipu3/ipu3-css-fw.h b/drivers/staging/media/ipu3/ipu3-css-fw.h
index 3c078f15a295..c0bc57fd678a 100644
--- a/drivers/staging/media/ipu3/ipu3-css-fw.h
+++ b/drivers/staging/media/ipu3/ipu3-css-fw.h
@@ -171,7 +171,7 @@ struct imgu_fw_bi_file_h {
struct imgu_fw_header {
struct imgu_fw_bi_file_h file_header;
- struct imgu_fw_info binary_header[1]; /* binary_nr items */
+ struct imgu_fw_info binary_header[]; /* binary_nr items */
};
/******************* Firmware functions *******************/
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index b6698656fc01..cf5cfee2936f 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -229,7 +229,7 @@ int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
- indx | 0xfe00, 0, usbdata, 1, HZ / 2);
+ indx | 0xfe00, 0, usbdata, 1, 500);
kfree(usbdata);
if (status < 0) {
@@ -251,7 +251,7 @@ int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
- indx | 0xfe00, 0, usbdata, 1, HZ / 2);
+ indx | 0xfe00, 0, usbdata, 1, 500);
*data = *usbdata;
kfree(usbdata);
@@ -279,7 +279,7 @@ int write_nic_byte(struct net_device *dev, int indx, u8 data)
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
(indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
- usbdata, 1, HZ / 2);
+ usbdata, 1, 500);
kfree(usbdata);
if (status < 0) {
@@ -305,7 +305,7 @@ int write_nic_word(struct net_device *dev, int indx, u16 data)
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
(indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
- usbdata, 2, HZ / 2);
+ usbdata, 2, 500);
kfree(usbdata);
if (status < 0) {
@@ -331,7 +331,7 @@ int write_nic_dword(struct net_device *dev, int indx, u32 data)
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
(indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
- usbdata, 4, HZ / 2);
+ usbdata, 4, 500);
kfree(usbdata);
if (status < 0) {
@@ -355,7 +355,7 @@ int read_nic_byte(struct net_device *dev, int indx, u8 *data)
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
(indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
- usbdata, 1, HZ / 2);
+ usbdata, 1, 500);
*data = *usbdata;
kfree(usbdata);
@@ -380,7 +380,7 @@ int read_nic_word(struct net_device *dev, int indx, u16 *data)
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
(indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
- usbdata, 2, HZ / 2);
+ usbdata, 2, 500);
*data = *usbdata;
kfree(usbdata);
@@ -404,7 +404,7 @@ static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
- indx | 0xfe00, 0, usbdata, 2, HZ / 2);
+ indx | 0xfe00, 0, usbdata, 2, 500);
*data = *usbdata;
kfree(usbdata);
@@ -430,7 +430,7 @@ int read_nic_dword(struct net_device *dev, int indx, u32 *data)
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
(indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
- usbdata, 4, HZ / 2);
+ usbdata, 4, 500);
*data = *usbdata;
kfree(usbdata);
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index 505ebeb643dc..cae04272deff 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -595,12 +595,12 @@ static void r871xu_dev_remove(struct usb_interface *pusb_intf)
/* never exit with a firmware callback pending */
wait_for_completion(&padapter->rtl8712_fw_ready);
+ if (pnetdev->reg_state != NETREG_UNINITIALIZED)
+ unregister_netdev(pnetdev); /* will call netdev_close() */
usb_set_intfdata(pusb_intf, NULL);
release_firmware(padapter->fw);
if (drvpriv.drv_registered)
padapter->surprise_removed = true;
- if (pnetdev->reg_state != NETREG_UNINITIALIZED)
- unregister_netdev(pnetdev); /* will call netdev_close() */
r8712_flush_rwctrl_works(padapter);
r8712_flush_led_works(padapter);
udelay(1);
diff --git a/drivers/staging/rtl8712/usb_ops_linux.c b/drivers/staging/rtl8712/usb_ops_linux.c
index 655497cead12..f984a5ab2c6f 100644
--- a/drivers/staging/rtl8712/usb_ops_linux.c
+++ b/drivers/staging/rtl8712/usb_ops_linux.c
@@ -494,7 +494,7 @@ int r8712_usbctrl_vendorreq(struct intf_priv *pintfpriv, u8 request, u16 value,
memcpy(pIo_buf, pdata, len);
}
status = usb_control_msg(udev, pipe, request, reqtype, value, index,
- pIo_buf, len, HZ / 2);
+ pIo_buf, len, 500);
if (status > 0) { /* Success this control transfer. */
if (requesttype == 0x01) {
/* For Control read transfer, we have to copy the read
diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig
index 8c614bb86c66..69394dc1cdfb 100644
--- a/drivers/usb/gadget/udc/Kconfig
+++ b/drivers/usb/gadget/udc/Kconfig
@@ -330,6 +330,7 @@ config USB_AMD5536UDC
config USB_FSL_QE
tristate "Freescale QE/CPM USB Device Controller"
depends on FSL_SOC && (QUICC_ENGINE || CPM)
+ depends on !64BIT || BROKEN
help
Some of Freescale PowerPC processors have a Full Speed
QE/CPM2 USB controller, which support device mode with 4
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 10b0365f3439..3d4da8e0c4db 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -634,7 +634,16 @@ static int ehci_run (struct usb_hcd *hcd)
/* Wait until HC become operational */
ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
msleep(5);
- rc = ehci_handshake(ehci, &ehci->regs->status, STS_HALT, 0, 100 * 1000);
+
+ /* For Aspeed, STS_HALT also depends on ASS/PSS status.
+ * Check CMD_RUN instead.
+ */
+ if (ehci->is_aspeed)
+ rc = ehci_handshake(ehci, &ehci->regs->command, CMD_RUN,
+ 1, 100 * 1000);
+ else
+ rc = ehci_handshake(ehci, &ehci->regs->status, STS_HALT,
+ 0, 100 * 1000);
up_write(&ehci_cf_port_reset_rwsem);
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index c70f2d0b4aaf..c3dc906274d9 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -297,6 +297,12 @@ static int ehci_platform_probe(struct platform_device *dev)
"has-transaction-translator"))
hcd->has_tt = 1;
+ if (of_device_is_compatible(dev->dev.of_node,
+ "aspeed,ast2500-ehci") ||
+ of_device_is_compatible(dev->dev.of_node,
+ "aspeed,ast2600-ehci"))
+ ehci->is_aspeed = 1;
+
if (soc_device_match(quirk_poll_match))
priv->quirk_poll = true;
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 80bb823aa9fe..fdd073cc053b 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -219,6 +219,7 @@ struct ehci_hcd { /* one per controller */
unsigned need_oc_pp_cycle:1; /* MPC834X port power */
unsigned imx28_write_fix:1; /* For Freescale i.MX28 */
unsigned spurious_oc:1;
+ unsigned is_aspeed:1;
/* required for usb32 quirk */
#define OHCI_CTRL_HCFS (3 << 6)
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 98c0f4c1bffd..51274b87f46c 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1247,9 +1247,11 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req,
status = musb_queue_resume_work(musb,
musb_ep_restart_resume_work,
request);
- if (status < 0)
+ if (status < 0) {
dev_err(musb->controller, "%s resume work: %i\n",
__func__, status);
+ list_del(&request->list);
+ }
}
unlock:
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index c6b3fcf90180..29191d33c0e3 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -406,6 +406,16 @@ UNUSUAL_DEV( 0x04b8, 0x0602, 0x0110, 0x0110,
"785EPX Storage",
USB_SC_SCSI, USB_PR_BULK, NULL, US_FL_SINGLE_LUN),
+/*
+ * Reported by James Buren <braewoods+lkml@...ewoods.net>
+ * Virtual ISOs cannot be remounted if ejected while the device is locked
+ * Disable locking to mimic Windows behavior that bypasses the issue
+ */
+UNUSUAL_DEV( 0x04c5, 0x2028, 0x0001, 0x0001,
+ "iODD",
+ "2531/2541",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NOT_LOCKABLE),
+
/*
* Not sure who reported this originally but
* Pavel Machek <pavel@....cz> reported that the extra US_FL_SINGLE_LUN
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 678e2c51b855..0c6eacfcbeef 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -1322,6 +1322,8 @@ static int isofs_read_inode(struct inode *inode, int relocated)
de = (struct iso_directory_record *) (bh->b_data + offset);
de_len = *(unsigned char *) de;
+ if (de_len < sizeof(struct iso_directory_record))
+ goto fail;
if (offset + de_len > bufsize) {
int frag1 = bufsize - offset;
diff --git a/fs/proc/base.c b/fs/proc/base.c
index e5b5f7709d48..c060f818a91b 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -67,6 +67,7 @@
#include <linux/mm.h>
#include <linux/swap.h>
#include <linux/rcupdate.h>
+#include <linux/kallsyms.h>
#include <linux/stacktrace.h>
#include <linux/resource.h>
#include <linux/module.h>
@@ -385,17 +386,19 @@ static int proc_pid_wchan(struct seq_file *m, struct pid_namespace *ns,
struct pid *pid, struct task_struct *task)
{
unsigned long wchan;
+ char symname[KSYM_NAME_LEN];
- if (ptrace_may_access(task, PTRACE_MODE_READ_FSCREDS))
- wchan = get_wchan(task);
- else
- wchan = 0;
+ if (!ptrace_may_access(task, PTRACE_MODE_READ_FSCREDS))
+ goto print0;
- if (wchan)
- seq_printf(m, "%ps", (void *) wchan);
- else
- seq_putc(m, '0');
+ wchan = get_wchan(task);
+ if (wchan && !lookup_symbol_name(wchan, symname)) {
+ seq_puts(m, symname);
+ return 0;
+ }
+print0:
+ seq_putc(m, '0');
return 0;
}
#endif /* CONFIG_KALLSYMS */
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
index 2adeea44c0d5..61590c1f2d33 100644
--- a/include/linux/lsm_hook_defs.h
+++ b/include/linux/lsm_hook_defs.h
@@ -26,13 +26,13 @@
* #undef LSM_HOOK
* };
*/
-LSM_HOOK(int, 0, binder_set_context_mgr, struct task_struct *mgr)
-LSM_HOOK(int, 0, binder_transaction, struct task_struct *from,
- struct task_struct *to)
-LSM_HOOK(int, 0, binder_transfer_binder, struct task_struct *from,
- struct task_struct *to)
-LSM_HOOK(int, 0, binder_transfer_file, struct task_struct *from,
- struct task_struct *to, struct file *file)
+LSM_HOOK(int, 0, binder_set_context_mgr, const struct cred *mgr)
+LSM_HOOK(int, 0, binder_transaction, const struct cred *from,
+ const struct cred *to)
+LSM_HOOK(int, 0, binder_transfer_binder, const struct cred *from,
+ const struct cred *to)
+LSM_HOOK(int, 0, binder_transfer_file, const struct cred *from,
+ const struct cred *to, struct file *file)
LSM_HOOK(int, 0, ptrace_access_check, struct task_struct *child,
unsigned int mode)
LSM_HOOK(int, 0, ptrace_traceme, struct task_struct *parent)
diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 5c4c5c0602cb..59024618554e 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -1313,22 +1313,22 @@
*
* @binder_set_context_mgr:
* Check whether @mgr is allowed to be the binder context manager.
- * @mgr contains the task_struct for the task being registered.
+ * @mgr contains the struct cred for the current binder process.
* Return 0 if permission is granted.
* @binder_transaction:
* Check whether @from is allowed to invoke a binder transaction call
* to @to.
- * @from contains the task_struct for the sending task.
- * @to contains the task_struct for the receiving task.
+ * @from contains the struct cred for the sending process.
+ * @to contains the struct cred for the receiving process.
* @binder_transfer_binder:
* Check whether @from is allowed to transfer a binder reference to @to.
- * @from contains the task_struct for the sending task.
- * @to contains the task_struct for the receiving task.
+ * @from contains the struct cred for the sending process.
+ * @to contains the struct cred for the receiving process.
* @binder_transfer_file:
* Check whether @from is allowed to transfer @file to @to.
- * @from contains the task_struct for the sending task.
+ * @from contains the struct cred for the sending process.
* @file contains the struct file being transferred.
- * @to contains the task_struct for the receiving task.
+ * @to contains the struct cred for the receiving process.
*
* @ptrace_access_check:
* Check permission before allowing the current process to trace the
diff --git a/include/linux/security.h b/include/linux/security.h
index 5b7288521300..46a02ce34d00 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -258,13 +258,13 @@ extern int security_init(void);
extern int early_security_init(void);
/* Security operations */
-int security_binder_set_context_mgr(struct task_struct *mgr);
-int security_binder_transaction(struct task_struct *from,
- struct task_struct *to);
-int security_binder_transfer_binder(struct task_struct *from,
- struct task_struct *to);
-int security_binder_transfer_file(struct task_struct *from,
- struct task_struct *to, struct file *file);
+int security_binder_set_context_mgr(const struct cred *mgr);
+int security_binder_transaction(const struct cred *from,
+ const struct cred *to);
+int security_binder_transfer_binder(const struct cred *from,
+ const struct cred *to);
+int security_binder_transfer_file(const struct cred *from,
+ const struct cred *to, struct file *file);
int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
int security_ptrace_traceme(struct task_struct *parent);
int security_capget(struct task_struct *target,
@@ -508,25 +508,25 @@ static inline int early_security_init(void)
return 0;
}
-static inline int security_binder_set_context_mgr(struct task_struct *mgr)
+static inline int security_binder_set_context_mgr(const struct cred *mgr)
{
return 0;
}
-static inline int security_binder_transaction(struct task_struct *from,
- struct task_struct *to)
+static inline int security_binder_transaction(const struct cred *from,
+ const struct cred *to)
{
return 0;
}
-static inline int security_binder_transfer_binder(struct task_struct *from,
- struct task_struct *to)
+static inline int security_binder_transfer_binder(const struct cred *from,
+ const struct cred *to)
{
return 0;
}
-static inline int security_binder_transfer_file(struct task_struct *from,
- struct task_struct *to,
+static inline int security_binder_transfer_file(const struct cred *from,
+ const struct cred *to,
struct file *file)
{
return 0;
@@ -1041,6 +1041,11 @@ static inline void security_transfer_creds(struct cred *new,
{
}
+static inline void security_cred_getsecid(const struct cred *c, u32 *secid)
+{
+ *secid = 0;
+}
+
static inline int security_kernel_act_as(struct cred *cred, u32 secid)
{
return 0;
diff --git a/security/security.c b/security/security.c
index 9ffa9e9c5c55..67264cb08fb3 100644
--- a/security/security.c
+++ b/security/security.c
@@ -747,25 +747,25 @@ static int lsm_superblock_alloc(struct super_block *sb)
/* Security operations */
-int security_binder_set_context_mgr(struct task_struct *mgr)
+int security_binder_set_context_mgr(const struct cred *mgr)
{
return call_int_hook(binder_set_context_mgr, 0, mgr);
}
-int security_binder_transaction(struct task_struct *from,
- struct task_struct *to)
+int security_binder_transaction(const struct cred *from,
+ const struct cred *to)
{
return call_int_hook(binder_transaction, 0, from, to);
}
-int security_binder_transfer_binder(struct task_struct *from,
- struct task_struct *to)
+int security_binder_transfer_binder(const struct cred *from,
+ const struct cred *to)
{
return call_int_hook(binder_transfer_binder, 0, from, to);
}
-int security_binder_transfer_file(struct task_struct *from,
- struct task_struct *to, struct file *file)
+int security_binder_transfer_file(const struct cred *from,
+ const struct cred *to, struct file *file)
{
return call_int_hook(binder_transfer_file, 0, from, to, file);
}
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 572e564bf6cd..b99f9080d1d4 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -255,29 +255,6 @@ static inline u32 task_sid_obj(const struct task_struct *task)
return sid;
}
-/*
- * get the security ID of a task for use with binder
- */
-static inline u32 task_sid_binder(const struct task_struct *task)
-{
- /*
- * In many case where this function is used we should be using the
- * task's subjective SID, but we can't reliably access the subjective
- * creds of a task other than our own so we must use the objective
- * creds/SID, which are safe to access. The downside is that if a task
- * is temporarily overriding it's creds it will not be reflected here;
- * however, it isn't clear that binder would handle that case well
- * anyway.
- *
- * If this ever changes and we can safely reference the subjective
- * creds/SID of another task, this function will make it easier to
- * identify the various places where we make use of the task SIDs in
- * the binder code. It is also likely that we will need to adjust
- * the main drivers/android binder code as well.
- */
- return task_sid_obj(task);
-}
-
static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dentry);
/*
@@ -2064,18 +2041,19 @@ static inline u32 open_file_to_av(struct file *file)
/* Hook functions begin here. */
-static int selinux_binder_set_context_mgr(struct task_struct *mgr)
+static int selinux_binder_set_context_mgr(const struct cred *mgr)
{
return avc_has_perm(&selinux_state,
- current_sid(), task_sid_binder(mgr), SECCLASS_BINDER,
+ current_sid(), cred_sid(mgr), SECCLASS_BINDER,
BINDER__SET_CONTEXT_MGR, NULL);
}
-static int selinux_binder_transaction(struct task_struct *from,
- struct task_struct *to)
+static int selinux_binder_transaction(const struct cred *from,
+ const struct cred *to)
{
u32 mysid = current_sid();
- u32 fromsid = task_sid_binder(from);
+ u32 fromsid = cred_sid(from);
+ u32 tosid = cred_sid(to);
int rc;
if (mysid != fromsid) {
@@ -2086,24 +2064,24 @@ static int selinux_binder_transaction(struct task_struct *from,
return rc;
}
- return avc_has_perm(&selinux_state, fromsid, task_sid_binder(to),
+ return avc_has_perm(&selinux_state, fromsid, tosid,
SECCLASS_BINDER, BINDER__CALL, NULL);
}
-static int selinux_binder_transfer_binder(struct task_struct *from,
- struct task_struct *to)
+static int selinux_binder_transfer_binder(const struct cred *from,
+ const struct cred *to)
{
return avc_has_perm(&selinux_state,
- task_sid_binder(from), task_sid_binder(to),
+ cred_sid(from), cred_sid(to),
SECCLASS_BINDER, BINDER__TRANSFER,
NULL);
}
-static int selinux_binder_transfer_file(struct task_struct *from,
- struct task_struct *to,
+static int selinux_binder_transfer_file(const struct cred *from,
+ const struct cred *to,
struct file *file)
{
- u32 sid = task_sid_binder(to);
+ u32 sid = cred_sid(to);
struct file_security_struct *fsec = selinux_file(file);
struct dentry *dentry = file->f_path.dentry;
struct inode_security_struct *isec;
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 71323d807dbf..dc9fa312fadd 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -243,13 +243,18 @@ int snd_pcm_info_user(struct snd_pcm_substream *substream,
static bool hw_support_mmap(struct snd_pcm_substream *substream)
{
+ struct snd_dma_buffer *dmabuf;
+
if (!(substream->runtime->hw.info & SNDRV_PCM_INFO_MMAP))
return false;
if (substream->ops->mmap || substream->ops->page)
return true;
- switch (substream->dma_buffer.dev.type) {
+ dmabuf = snd_pcm_get_dma_buf(substream);
+ if (!dmabuf)
+ dmabuf = &substream->dma_buffer;
+ switch (dmabuf->dev.type) {
case SNDRV_DMA_TYPE_UNKNOWN:
/* we can't know the device, so just assume that the driver does
* everything right
@@ -259,7 +264,7 @@ static bool hw_support_mmap(struct snd_pcm_substream *substream)
case SNDRV_DMA_TYPE_VMALLOC:
return true;
default:
- return dma_can_mmap(substream->dma_buffer.dev.dev);
+ return dma_can_mmap(dmabuf->dev.dev);
}
}
diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index 1e1eb17f8e07..d43927dcd61e 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -1121,9 +1121,7 @@ static int snd_cs46xx_playback_hw_params(struct snd_pcm_substream *substream,
if (params_periods(hw_params) == CS46XX_FRAGS) {
if (runtime->dma_area != cpcm->hw_buf.area)
snd_pcm_lib_free_pages(substream);
- runtime->dma_area = cpcm->hw_buf.area;
- runtime->dma_addr = cpcm->hw_buf.addr;
- runtime->dma_bytes = cpcm->hw_buf.bytes;
+ snd_pcm_set_runtime_buffer(substream, &cpcm->hw_buf);
#ifdef CONFIG_SND_CS46XX_NEW_DSP
@@ -1143,11 +1141,8 @@ static int snd_cs46xx_playback_hw_params(struct snd_pcm_substream *substream,
#endif
} else {
- if (runtime->dma_area == cpcm->hw_buf.area) {
- runtime->dma_area = NULL;
- runtime->dma_addr = 0;
- runtime->dma_bytes = 0;
- }
+ if (runtime->dma_area == cpcm->hw_buf.area)
+ snd_pcm_set_runtime_buffer(substream, NULL);
err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
if (err < 0) {
#ifdef CONFIG_SND_CS46XX_NEW_DSP
@@ -1196,9 +1191,7 @@ static int snd_cs46xx_playback_hw_free(struct snd_pcm_substream *substream)
if (runtime->dma_area != cpcm->hw_buf.area)
snd_pcm_lib_free_pages(substream);
- runtime->dma_area = NULL;
- runtime->dma_addr = 0;
- runtime->dma_bytes = 0;
+ snd_pcm_set_runtime_buffer(substream, NULL);
return 0;
}
@@ -1287,16 +1280,11 @@ static int snd_cs46xx_capture_hw_params(struct snd_pcm_substream *substream,
if (runtime->periods == CS46XX_FRAGS) {
if (runtime->dma_area != chip->capt.hw_buf.area)
snd_pcm_lib_free_pages(substream);
- runtime->dma_area = chip->capt.hw_buf.area;
- runtime->dma_addr = chip->capt.hw_buf.addr;
- runtime->dma_bytes = chip->capt.hw_buf.bytes;
+ snd_pcm_set_runtime_buffer(substream, &chip->capt.hw_buf);
substream->ops = &snd_cs46xx_capture_ops;
} else {
- if (runtime->dma_area == chip->capt.hw_buf.area) {
- runtime->dma_area = NULL;
- runtime->dma_addr = 0;
- runtime->dma_bytes = 0;
- }
+ if (runtime->dma_area == chip->capt.hw_buf.area)
+ snd_pcm_set_runtime_buffer(substream, NULL);
err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
if (err < 0)
return err;
@@ -1313,9 +1301,7 @@ static int snd_cs46xx_capture_hw_free(struct snd_pcm_substream *substream)
if (runtime->dma_area != chip->capt.hw_buf.area)
snd_pcm_lib_free_pages(substream);
- runtime->dma_area = NULL;
- runtime->dma_addr = 0;
- runtime->dma_bytes = 0;
+ snd_pcm_set_runtime_buffer(substream, NULL);
return 0;
}
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