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Message-ID: <20120112202149.GB15607@kroah.com>
Date: Thu, 12 Jan 2012 12:21:49 -0800
From: Greg KH <gregkh@...e.de>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org, lwn@....net
Subject: Re: Linux 3.0.17
diff --git a/Documentation/HOWTO b/Documentation/HOWTO
index 81bc1a9..f7ade3b 100644
--- a/Documentation/HOWTO
+++ b/Documentation/HOWTO
@@ -275,8 +275,8 @@ versions.
If no 2.6.x.y kernel is available, then the highest numbered 2.6.x
kernel is the current stable kernel.
-2.6.x.y are maintained by the "stable" team <stable@...nel.org>, and are
-released as needs dictate. The normal release period is approximately
+2.6.x.y are maintained by the "stable" team <stable@...r.kernel.org>, and
+are released as needs dictate. The normal release period is approximately
two weeks, but it can be longer if there are no pressing problems. A
security-related problem, instead, can cause a release to happen almost
instantly.
diff --git a/Documentation/development-process/5.Posting b/Documentation/development-process/5.Posting
index 903a254..8a48c9b 100644
--- a/Documentation/development-process/5.Posting
+++ b/Documentation/development-process/5.Posting
@@ -271,10 +271,10 @@ copies should go to:
the linux-kernel list.
- If you are fixing a bug, think about whether the fix should go into the
- next stable update. If so, stable@...nel.org should get a copy of the
- patch. Also add a "Cc: stable@...nel.org" to the tags within the patch
- itself; that will cause the stable team to get a notification when your
- fix goes into the mainline.
+ next stable update. If so, stable@...r.kernel.org should get a copy of
+ the patch. Also add a "Cc: stable@...r.kernel.org" to the tags within
+ the patch itself; that will cause the stable team to get a notification
+ when your fix goes into the mainline.
When selecting recipients for a patch, it is good to have an idea of who
you think will eventually accept the patch and get it merged. While it
diff --git a/Documentation/usb/usbmon.txt b/Documentation/usb/usbmon.txt
index a4efa04..5335fa8 100644
--- a/Documentation/usb/usbmon.txt
+++ b/Documentation/usb/usbmon.txt
@@ -47,10 +47,11 @@ This allows to filter away annoying devices that talk continuously.
2. Find which bus connects to the desired device
-Run "cat /proc/bus/usb/devices", and find the T-line which corresponds to
-the device. Usually you do it by looking for the vendor string. If you have
-many similar devices, unplug one and compare two /proc/bus/usb/devices outputs.
-The T-line will have a bus number. Example:
+Run "cat /sys/kernel/debug/usb/devices", and find the T-line which corresponds
+to the device. Usually you do it by looking for the vendor string. If you have
+many similar devices, unplug one and compare the two
+/sys/kernel/debug/usb/devices outputs. The T-line will have a bus number.
+Example:
T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
@@ -58,7 +59,10 @@ P: Vendor=0557 ProdID=2004 Rev= 1.00
S: Manufacturer=ATEN
S: Product=UC100KM V2.00
-Bus=03 means it's bus 3.
+"Bus=03" means it's bus 3. Alternatively, you can look at the output from
+"lsusb" and get the bus number from the appropriate line. Example:
+
+Bus 003 Device 002: ID 0557:2004 ATEN UC100KM V2.00
3. Start 'cat'
diff --git a/MAINTAINERS b/MAINTAINERS
index 34e2418..de85391 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6039,7 +6039,7 @@ F: arch/alpha/kernel/srm_env.c
STABLE BRANCH
M: Greg Kroah-Hartman <greg@...ah.com>
-L: stable@...nel.org
+L: stable@...r.kernel.org
S: Maintained
STAGING SUBSYSTEM
diff --git a/Makefile b/Makefile
index 7f0d8e2..295fbda 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 0
-SUBLEVEL = 16
+SUBLEVEL = 17
EXTRAVERSION =
NAME = Sneaky Weasel
diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h
index fe6f7c2..bc3c745 100644
--- a/arch/powerpc/include/asm/time.h
+++ b/arch/powerpc/include/asm/time.h
@@ -219,5 +219,7 @@ DECLARE_PER_CPU(struct cpu_usage, cpu_usage_array);
extern void secondary_cpu_time_init(void);
extern void iSeries_time_init_early(void);
+extern void decrementer_check_overflow(void);
+
#endif /* __KERNEL__ */
#endif /* __POWERPC_TIME_H */
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 5b428e3..ca2987d 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -170,16 +170,13 @@ notrace void arch_local_irq_restore(unsigned long en)
*/
local_paca->hard_enabled = en;
-#ifndef CONFIG_BOOKE
- /* On server, re-trigger the decrementer if it went negative since
- * some processors only trigger on edge transitions of the sign bit.
- *
- * BookE has a level sensitive decrementer (latches in TSR) so we
- * don't need that
+ /*
+ * Trigger the decrementer if we have a pending event. Some processors
+ * only trigger on edge transitions of the sign bit. We might also
+ * have disabled interrupts long enough that the decrementer wrapped
+ * to positive.
*/
- if ((int)mfspr(SPRN_DEC) < 0)
- mtspr(SPRN_DEC, 1);
-#endif /* CONFIG_BOOKE */
+ decrementer_check_overflow();
/*
* Force the delivery of pending soft-disabled interrupts on PS3.
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 03b29a6..2de304a 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -889,6 +889,15 @@ static void __init clocksource_init(void)
clock->name, clock->mult, clock->shift);
}
+void decrementer_check_overflow(void)
+{
+ u64 now = get_tb_or_rtc();
+ struct decrementer_clock *decrementer = &__get_cpu_var(decrementers);
+
+ if (now >= decrementer->next_tb)
+ set_dec(1);
+}
+
static int decrementer_set_next_event(unsigned long evt,
struct clock_event_device *dev)
{
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index f106662..c9311cf 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c
@@ -109,7 +109,7 @@ static void probe_hcall_entry(void *ignored, unsigned long opcode, unsigned long
if (opcode > MAX_HCALL_OPCODE)
return;
- h = &get_cpu_var(hcall_stats)[opcode / 4];
+ h = &__get_cpu_var(hcall_stats)[opcode / 4];
h->tb_start = mftb();
h->purr_start = mfspr(SPRN_PURR);
}
@@ -126,8 +126,6 @@ static void probe_hcall_exit(void *ignored, unsigned long opcode, unsigned long
h->num_calls++;
h->tb_total += mftb() - h->tb_start;
h->purr_total += mfspr(SPRN_PURR) - h->purr_start;
-
- put_cpu_var(hcall_stats);
}
static int __init hcall_inst_init(void)
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index ed96b37..81e30d9 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -745,6 +745,7 @@ void __trace_hcall_entry(unsigned long opcode, unsigned long *args)
goto out;
(*depth)++;
+ preempt_disable();
trace_hcall_entry(opcode, args);
(*depth)--;
@@ -767,6 +768,7 @@ void __trace_hcall_exit(long opcode, unsigned long retval,
(*depth)++;
trace_hcall_exit(opcode, retval, retbuf);
+ preempt_enable();
(*depth)--;
out:
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 06ed6b4..3719c94 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -226,13 +226,13 @@ static ssize_t firmware_loading_store(struct device *dev,
int loading = simple_strtol(buf, NULL, 10);
int i;
+ mutex_lock(&fw_lock);
+
+ if (!fw_priv->fw)
+ goto out;
+
switch (loading) {
case 1:
- mutex_lock(&fw_lock);
- if (!fw_priv->fw) {
- mutex_unlock(&fw_lock);
- break;
- }
firmware_free_data(fw_priv->fw);
memset(fw_priv->fw, 0, sizeof(struct firmware));
/* If the pages are not owned by 'struct firmware' */
@@ -243,7 +243,6 @@ static ssize_t firmware_loading_store(struct device *dev,
fw_priv->page_array_size = 0;
fw_priv->nr_pages = 0;
set_bit(FW_STATUS_LOADING, &fw_priv->status);
- mutex_unlock(&fw_lock);
break;
case 0:
if (test_bit(FW_STATUS_LOADING, &fw_priv->status)) {
@@ -274,7 +273,8 @@ static ssize_t firmware_loading_store(struct device *dev,
fw_load_abort(fw_priv);
break;
}
-
+out:
+ mutex_unlock(&fw_lock);
return count;
}
diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c
index d8ca0a0..65df26c 100644
--- a/drivers/infiniband/hw/qib/qib_iba6120.c
+++ b/drivers/infiniband/hw/qib/qib_iba6120.c
@@ -2076,9 +2076,11 @@ static void qib_6120_config_ctxts(struct qib_devdata *dd)
static void qib_update_6120_usrhead(struct qib_ctxtdata *rcd, u64 hd,
u32 updegr, u32 egrhd, u32 npkts)
{
- qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
if (updegr)
qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt);
+ mmiowb();
+ qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+ mmiowb();
}
static u32 qib_6120_hdrqempty(struct qib_ctxtdata *rcd)
diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c
index c765a2e..759bb63 100644
--- a/drivers/infiniband/hw/qib/qib_iba7220.c
+++ b/drivers/infiniband/hw/qib/qib_iba7220.c
@@ -2704,9 +2704,11 @@ static int qib_7220_set_loopback(struct qib_pportdata *ppd, const char *what)
static void qib_update_7220_usrhead(struct qib_ctxtdata *rcd, u64 hd,
u32 updegr, u32 egrhd, u32 npkts)
{
- qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
if (updegr)
qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt);
+ mmiowb();
+ qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+ mmiowb();
}
static u32 qib_7220_hdrqempty(struct qib_ctxtdata *rcd)
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 8ec5237..49e4a58 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -4060,10 +4060,12 @@ static void qib_update_7322_usrhead(struct qib_ctxtdata *rcd, u64 hd,
*/
if (hd >> IBA7322_HDRHEAD_PKTINT_SHIFT)
adjust_rcv_timeout(rcd, npkts);
- qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
- qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
if (updegr)
qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt);
+ mmiowb();
+ qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+ qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+ mmiowb();
}
static u32 qib_7322_hdrqempty(struct qib_ctxtdata *rcd)
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 2065cb4..0b65c5f 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1905,7 +1905,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
"but new slave device does not support netpoll.\n",
bond_dev->name);
res = -EBUSY;
- goto err_close;
+ goto err_detach;
}
}
#endif
@@ -1914,7 +1914,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
res = bond_create_slave_symlinks(bond_dev, slave_dev);
if (res)
- goto err_close;
+ goto err_detach;
res = netdev_rx_handler_register(slave_dev, bond_handle_frame,
new_slave);
@@ -1935,6 +1935,11 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
err_dest_symlinks:
bond_destroy_slave_symlinks(bond_dev, slave_dev);
+err_detach:
+ write_lock_bh(&bond->lock);
+ bond_detach_slave(bond, new_slave);
+ write_unlock_bh(&bond->lock);
+
err_close:
dev_close(slave_dev);
diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index c5c4b4d..7105577 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -371,7 +371,7 @@ static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
skb_pull(skb, (size + 1) & 0xfffe);
- if (skb->len == 0)
+ if (skb->len < sizeof(header))
break;
head = (u8 *) skb->data;
@@ -1560,6 +1560,10 @@ static const struct usb_device_id products [] = {
// ASIX 88772a
USB_DEVICE(0x0db0, 0xa877),
.driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Asus USB Ethernet Adapter
+ USB_DEVICE (0x0b95, 0x7e2b),
+ .driver_info = (unsigned long) &ax88772_info,
},
{ }, // END
};
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 6e7fe94..d4e9eac 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -878,6 +878,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
{ USB_DEVICE(0x13b1, 0x0031) },
{ USB_DEVICE(0x1737, 0x0070) },
{ USB_DEVICE(0x1737, 0x0071) },
+ { USB_DEVICE(0x1737, 0x0077) },
/* Logitec */
{ USB_DEVICE(0x0789, 0x0162) },
{ USB_DEVICE(0x0789, 0x0163) },
@@ -1069,7 +1070,6 @@ static struct usb_device_id rt2800usb_device_table[] = {
{ USB_DEVICE(0x1740, 0x0605) },
{ USB_DEVICE(0x1740, 0x0615) },
/* Linksys */
- { USB_DEVICE(0x1737, 0x0077) },
{ USB_DEVICE(0x1737, 0x0078) },
/* Logitec */
{ USB_DEVICE(0x0789, 0x0168) },
diff --git a/drivers/net/wireless/wl12xx/boot.c b/drivers/net/wireless/wl12xx/boot.c
index b07f8b7..e0e1688 100644
--- a/drivers/net/wireless/wl12xx/boot.c
+++ b/drivers/net/wireless/wl12xx/boot.c
@@ -328,6 +328,9 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
nvs_ptr += 3;
for (i = 0; i < burst_len; i++) {
+ if (nvs_ptr + 3 >= (u8 *) wl->nvs + nvs_len)
+ goto out_badnvs;
+
val = (nvs_ptr[0] | (nvs_ptr[1] << 8)
| (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24));
@@ -339,6 +342,9 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
nvs_ptr += 4;
dest_addr += 4;
}
+
+ if (nvs_ptr >= (u8 *) wl->nvs + nvs_len)
+ goto out_badnvs;
}
/*
@@ -350,6 +356,10 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
*/
nvs_ptr = (u8 *)wl->nvs +
ALIGN(nvs_ptr - (u8 *)wl->nvs + 7, 4);
+
+ if (nvs_ptr >= (u8 *) wl->nvs + nvs_len)
+ goto out_badnvs;
+
nvs_len -= nvs_ptr - (u8 *)wl->nvs;
/* Now we must set the partition correctly */
@@ -365,6 +375,10 @@ static int wl1271_boot_upload_nvs(struct wl1271 *wl)
kfree(nvs_aligned);
return 0;
+
+out_badnvs:
+ wl1271_error("nvs data is malformed");
+ return -EILSEQ;
}
static void wl1271_boot_enable_interrupts(struct wl1271 *wl)
diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c
index 42935ac..b8ec8cd 100644
--- a/drivers/net/wireless/wl12xx/cmd.c
+++ b/drivers/net/wireless/wl12xx/cmd.c
@@ -121,6 +121,11 @@ int wl1271_cmd_general_parms(struct wl1271 *wl)
if (!wl->nvs)
return -ENODEV;
+ if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
+ wl1271_warning("FEM index from INI out of bounds");
+ return -EINVAL;
+ }
+
gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
if (!gen_parms)
return -ENOMEM;
@@ -144,6 +149,12 @@ int wl1271_cmd_general_parms(struct wl1271 *wl)
gp->tx_bip_fem_manufacturer =
gen_parms->general_params.tx_bip_fem_manufacturer;
+ if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
+ wl1271_warning("FEM index from FW out of bounds");
+ ret = -EINVAL;
+ goto out;
+ }
+
wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer);
@@ -163,6 +174,11 @@ int wl128x_cmd_general_parms(struct wl1271 *wl)
if (!wl->nvs)
return -ENODEV;
+ if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
+ wl1271_warning("FEM index from ini out of bounds");
+ return -EINVAL;
+ }
+
gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
if (!gen_parms)
return -ENOMEM;
@@ -187,6 +203,12 @@ int wl128x_cmd_general_parms(struct wl1271 *wl)
gp->tx_bip_fem_manufacturer =
gen_parms->general_params.tx_bip_fem_manufacturer;
+ if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
+ wl1271_warning("FEM index from FW out of bounds");
+ ret = -EINVAL;
+ goto out;
+ }
+
wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index f88e52a..c79857e 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -7211,6 +7211,7 @@ _scsih_remove(struct pci_dev *pdev)
}
sas_remove_host(shost);
+ mpt2sas_base_detach(ioc);
list_del(&ioc->list);
scsi_remove_host(shost);
scsi_host_put(shost);
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index af9b781..b989495 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -199,8 +199,9 @@ void atmel_config_rs485(struct uart_port *port, struct serial_rs485 *rs485conf)
{
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
unsigned int mode;
+ unsigned long flags;
- spin_lock(&port->lock);
+ spin_lock_irqsave(&port->lock, flags);
/* Disable interrupts */
UART_PUT_IDR(port, atmel_port->tx_done_mask);
@@ -231,7 +232,7 @@ void atmel_config_rs485(struct uart_port *port, struct serial_rs485 *rs485conf)
/* Enable interrupts */
UART_PUT_IER(port, atmel_port->tx_done_mask);
- spin_unlock(&port->lock);
+ spin_unlock_irqrestore(&port->lock, flags);
}
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 8faa23c..158f631 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -554,10 +554,18 @@ static void acm_port_down(struct acm *acm)
static void acm_tty_hangup(struct tty_struct *tty)
{
- struct acm *acm = tty->driver_data;
- tty_port_hangup(&acm->port);
+ struct acm *acm;
+
mutex_lock(&open_mutex);
+ acm = tty->driver_data;
+
+ if (!acm)
+ goto out;
+
+ tty_port_hangup(&acm->port);
acm_port_down(acm);
+
+out:
mutex_unlock(&open_mutex);
}
@@ -1183,6 +1191,8 @@ made_compressed_probe:
i = device_create_file(&intf->dev, &dev_attr_wCountryCodes);
if (i < 0) {
kfree(acm->country_codes);
+ acm->country_codes = NULL;
+ acm->country_code_size = 0;
goto skip_countries;
}
@@ -1191,6 +1201,8 @@ made_compressed_probe:
if (i < 0) {
device_remove_file(&intf->dev, &dev_attr_wCountryCodes);
kfree(acm->country_codes);
+ acm->country_codes = NULL;
+ acm->country_code_size = 0;
goto skip_countries;
}
}
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 39ea00b..691d212 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1387,11 +1387,10 @@ int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb,
ret = -EAGAIN;
else
urb->transfer_flags |= URB_DMA_MAP_SG;
- if (n != urb->num_sgs) {
- urb->num_sgs = n;
+ urb->num_mapped_sgs = n;
+ if (n != urb->num_sgs)
urb->transfer_flags |=
URB_DMA_SG_COMBINED;
- }
} else if (urb->sg) {
struct scatterlist *sg = urb->sg;
urb->transfer_dma = dma_map_page(
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index ecf12e1..4c65eb6 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -117,9 +117,12 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x06a3, 0x0006), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
- /* Guillemot Webcam Hercules Dualpix Exchange*/
+ /* Guillemot Webcam Hercules Dualpix Exchange (2nd ID) */
{ USB_DEVICE(0x06f8, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* Guillemot Webcam Hercules Dualpix Exchange*/
+ { USB_DEVICE(0x06f8, 0x3005), .driver_info = USB_QUIRK_RESET_RESUME },
+
/* M-Systems Flash Disk Pioneers */
{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 0917e3a..2499b3b 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -649,7 +649,7 @@ qh_urb_transaction (
/*
* data transfer stage: buffer setup
*/
- i = urb->num_sgs;
+ i = urb->num_mapped_sgs;
if (len > 0 && i > 0) {
sg = urb->sg;
buf = sg_dma_address(sg);
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index f9cf3f0..23107e2 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -389,17 +389,14 @@ ohci_shutdown (struct usb_hcd *hcd)
struct ohci_hcd *ohci;
ohci = hcd_to_ohci (hcd);
- ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
- ohci->hc_control = ohci_readl(ohci, &ohci->regs->control);
+ ohci_writel(ohci, (u32) ~0, &ohci->regs->intrdisable);
- /* If the SHUTDOWN quirk is set, don't put the controller in RESET */
- ohci->hc_control &= (ohci->flags & OHCI_QUIRK_SHUTDOWN ?
- OHCI_CTRL_RWC | OHCI_CTRL_HCFS :
- OHCI_CTRL_RWC);
- ohci_writel(ohci, ohci->hc_control, &ohci->regs->control);
+ /* Software reset, after which the controller goes into SUSPEND */
+ ohci_writel(ohci, OHCI_HCR, &ohci->regs->cmdstatus);
+ ohci_readl(ohci, &ohci->regs->cmdstatus); /* flush the writes */
+ udelay(10);
- /* flush the writes */
- (void) ohci_readl (ohci, &ohci->regs->control);
+ ohci_writel(ohci, ohci->fminterval, &ohci->regs->fminterval);
}
static int check_ed(struct ohci_hcd *ohci, struct ed *ed)
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index ad8166c..bc01b06 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -175,28 +175,6 @@ static int ohci_quirk_amd700(struct usb_hcd *hcd)
return 0;
}
-/* nVidia controllers continue to drive Reset signalling on the bus
- * even after system shutdown, wasting power. This flag tells the
- * shutdown routine to leave the controller OPERATIONAL instead of RESET.
- */
-static int ohci_quirk_nvidia_shutdown(struct usb_hcd *hcd)
-{
- struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
- struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-
- /* Evidently nVidia fixed their later hardware; this is a guess at
- * the changeover point.
- */
-#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB 0x026d
-
- if (pdev->device < PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB) {
- ohci->flags |= OHCI_QUIRK_SHUTDOWN;
- ohci_dbg(ohci, "enabled nVidia shutdown quirk\n");
- }
-
- return 0;
-}
-
static void sb800_prefetch(struct ohci_hcd *ohci, int on)
{
struct pci_dev *pdev;
@@ -260,10 +238,6 @@ static const struct pci_device_id ohci_pci_quirks[] = {
PCI_DEVICE(PCI_VENDOR_ID_ATI, 0x4399),
.driver_data = (unsigned long)ohci_quirk_amd700,
},
- {
- PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
- .driver_data = (unsigned long) ohci_quirk_nvidia_shutdown,
- },
/* FIXME for some of the early AMD 760 southbridges, OHCI
* won't work at all. blacklist them.
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index 35e5fd6..0795b93 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -403,7 +403,6 @@ struct ohci_hcd {
#define OHCI_QUIRK_HUB_POWER 0x100 /* distrust firmware power/oc setup */
#define OHCI_QUIRK_AMD_PLL 0x200 /* AMD PLL quirk*/
#define OHCI_QUIRK_AMD_PREFETCH 0x400 /* pre-fetch for ISO transfer */
-#define OHCI_QUIRK_SHUTDOWN 0x800 /* nVidia power bug */
// there are also chip quirks/bugs in init logic
struct work_struct nec_work; /* Worker for NEC quirk */
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index a495d48..23e04fb 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -36,6 +36,7 @@
#define OHCI_INTRENABLE 0x10
#define OHCI_INTRDISABLE 0x14
#define OHCI_FMINTERVAL 0x34
+#define OHCI_HCFS (3 << 6) /* hc functional state */
#define OHCI_HCR (1 << 0) /* host controller reset */
#define OHCI_OCR (1 << 3) /* ownership change request */
#define OHCI_CTRL_RWC (1 << 9) /* remote wakeup connected */
@@ -465,6 +466,8 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
{
void __iomem *base;
u32 control;
+ u32 fminterval;
+ int cnt;
if (!mmio_resource_enabled(pdev, 0))
return;
@@ -497,41 +500,32 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
}
#endif
- /* reset controller, preserving RWC (and possibly IR) */
- writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
- readl(base + OHCI_CONTROL);
+ /* disable interrupts */
+ writel((u32) ~0, base + OHCI_INTRDISABLE);
- /* Some NVIDIA controllers stop working if kept in RESET for too long */
- if (pdev->vendor == PCI_VENDOR_ID_NVIDIA) {
- u32 fminterval;
- int cnt;
+ /* Reset the USB bus, if the controller isn't already in RESET */
+ if (control & OHCI_HCFS) {
+ /* Go into RESET, preserving RWC (and possibly IR) */
+ writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
+ readl(base + OHCI_CONTROL);
- /* drive reset for at least 50 ms (7.1.7.5) */
+ /* drive bus reset for at least 50 ms (7.1.7.5) */
msleep(50);
+ }
- /* software reset of the controller, preserving HcFmInterval */
- fminterval = readl(base + OHCI_FMINTERVAL);
- writel(OHCI_HCR, base + OHCI_CMDSTATUS);
+ /* software reset of the controller, preserving HcFmInterval */
+ fminterval = readl(base + OHCI_FMINTERVAL);
+ writel(OHCI_HCR, base + OHCI_CMDSTATUS);
- /* reset requires max 10 us delay */
- for (cnt = 30; cnt > 0; --cnt) { /* ... allow extra time */
- if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0)
- break;
- udelay(1);
- }
- writel(fminterval, base + OHCI_FMINTERVAL);
-
- /* Now we're in the SUSPEND state with all devices reset
- * and wakeups and interrupts disabled
- */
+ /* reset requires max 10 us delay */
+ for (cnt = 30; cnt > 0; --cnt) { /* ... allow extra time */
+ if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0)
+ break;
+ udelay(1);
}
+ writel(fminterval, base + OHCI_FMINTERVAL);
- /*
- * disable interrupts
- */
- writel(~(u32)0, base + OHCI_INTRDISABLE);
- writel(~(u32)0, base + OHCI_INTRSTATUS);
-
+ /* Now the controller is safely in SUSPEND and nothing can wake it up */
iounmap(base);
}
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index 84ed28b..8253991 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -943,7 +943,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb,
if (usb_pipein(urb->pipe))
status |= TD_CTRL_SPD;
- i = urb->num_sgs;
+ i = urb->num_mapped_sgs;
if (len > 0 && i > 0) {
sg = urb->sg;
data = sg_dma_address(sg);
diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c
index a403b53..76083ae 100644
--- a/drivers/usb/host/whci/qset.c
+++ b/drivers/usb/host/whci/qset.c
@@ -443,7 +443,7 @@ static int qset_add_urb_sg(struct whc *whc, struct whc_qset *qset, struct urb *u
remaining = urb->transfer_buffer_length;
- for_each_sg(urb->sg, sg, urb->num_sgs, i) {
+ for_each_sg(urb->sg, sg, urb->num_mapped_sgs, i) {
dma_addr_t dma_addr;
size_t dma_remaining;
dma_addr_t sp, ep;
@@ -561,7 +561,7 @@ static int qset_add_urb_sg_linearize(struct whc *whc, struct whc_qset *qset,
remaining = urb->transfer_buffer_length;
- for_each_sg(urb->sg, sg, urb->num_sgs, i) {
+ for_each_sg(urb->sg, sg, urb->num_mapped_sgs, i) {
size_t len;
size_t sg_remaining;
void *orig;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index b4b0691..c0c5d6c 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2570,7 +2570,7 @@ static unsigned int count_sg_trbs_needed(struct xhci_hcd *xhci, struct urb *urb)
struct scatterlist *sg;
sg = NULL;
- num_sgs = urb->num_sgs;
+ num_sgs = urb->num_mapped_sgs;
temp = urb->transfer_buffer_length;
xhci_dbg(xhci, "count sg list trbs: \n");
@@ -2754,7 +2754,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
return -EINVAL;
num_trbs = count_sg_trbs_needed(xhci, urb);
- num_sgs = urb->num_sgs;
+ num_sgs = urb->num_mapped_sgs;
total_packet_count = roundup(urb->transfer_buffer_length,
le16_to_cpu(urb->ep->desc.wMaxPacketSize));
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 221f14e..107438e 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1568,6 +1568,7 @@ static int xhci_configure_endpoint_result(struct xhci_hcd *xhci,
/* FIXME: can we allocate more resources for the HC? */
break;
case COMP_BW_ERR:
+ case COMP_2ND_BW_ERR:
dev_warn(&udev->dev, "Not enough bandwidth "
"for new device state.\n");
ret = -ENOSPC;
@@ -2183,8 +2184,7 @@ static int xhci_calculate_streams_and_bitmask(struct xhci_hcd *xhci,
if (ret < 0)
return ret;
- max_streams = USB_SS_MAX_STREAMS(
- eps[i]->ss_ep_comp.bmAttributes);
+ max_streams = usb_ss_max_streams(&eps[i]->ss_ep_comp);
if (max_streams < (*num_streams - 1)) {
xhci_dbg(xhci, "Ep 0x%x only supports %u stream IDs.\n",
eps[i]->desc.bEndpointAddress,
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 49ce76c..3e7c3a6 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -900,7 +900,6 @@ struct xhci_transfer_event {
/* Invalid Stream ID Error */
#define COMP_STRID_ERR 34
/* Secondary Bandwidth Error - may be returned by a Configure Endpoint cmd */
-/* FIXME - check for this */
#define COMP_2ND_BW_ERR 35
/* Split Transaction Error */
#define COMP_SPLIT_ERR 36
diff --git a/drivers/usb/misc/isight_firmware.c b/drivers/usb/misc/isight_firmware.c
index fe1d443..8f725f6 100644
--- a/drivers/usb/misc/isight_firmware.c
+++ b/drivers/usb/misc/isight_firmware.c
@@ -55,8 +55,9 @@ static int isight_firmware_load(struct usb_interface *intf,
ptr = firmware->data;
+ buf[0] = 0x01;
if (usb_control_msg
- (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, "\1", 1,
+ (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, buf, 1,
300) != 1) {
printk(KERN_ERR
"Failed to initialise isight firmware loader\n");
@@ -100,8 +101,9 @@ static int isight_firmware_load(struct usb_interface *intf,
}
}
+ buf[0] = 0x00;
if (usb_control_msg
- (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, "\0", 1,
+ (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, buf, 1,
300) != 1) {
printk(KERN_ERR "isight firmware loading completion failed\n");
ret = -ENODEV;
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index dce7182..a0232a7 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2078,8 +2078,6 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
if (status < 0)
goto fail3;
- pm_runtime_put(musb->controller);
-
status = musb_init_debugfs(musb);
if (status < 0)
goto fail4;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index fd67cc5..a1a324b 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -92,6 +92,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x818B) }, /* AVIT Research USB to TTL */
{ USB_DEVICE(0x10C4, 0x819F) }, /* MJS USB Toslink Switcher */
{ USB_DEVICE(0x10C4, 0x81A6) }, /* ThinkOptics WavIt */
+ { USB_DEVICE(0x10C4, 0x81A9) }, /* Multiplex RC Interface */
{ USB_DEVICE(0x10C4, 0x81AC) }, /* MSD Dash Hawk */
{ USB_DEVICE(0x10C4, 0x81AD) }, /* INSYS USB Modem */
{ USB_DEVICE(0x10C4, 0x81C8) }, /* Lipowsky Industrie Elektronik GmbH, Baby-JTAG */
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index 60f38d5..0a8c1e6 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -315,7 +315,7 @@ static int omninet_write_room(struct tty_struct *tty)
int room = 0; /* Default: no room */
/* FIXME: no consistent locking for write_urb_busy */
- if (wport->write_urb_busy)
+ if (!wport->write_urb_busy)
room = wport->bulk_out_size - OMNINET_HEADERLEN;
dbg("%s - returns %d", __func__, room);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index d2becb9..c96b6b6 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -472,6 +472,14 @@ static void option_instat_callback(struct urb *urb);
#define YUGA_PRODUCT_CLU528 0x260D
#define YUGA_PRODUCT_CLU526 0x260F
+/* Viettel products */
+#define VIETTEL_VENDOR_ID 0x2262
+#define VIETTEL_PRODUCT_VT1000 0x0002
+
+/* ZD Incorporated */
+#define ZD_VENDOR_ID 0x0685
+#define ZD_PRODUCT_7000 0x7000
+
/* some devices interfaces need special handling due to a number of reasons */
enum option_blacklist_reason {
OPTION_BLACKLIST_NONE = 0,
@@ -1173,6 +1181,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU516) },
{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU528) },
{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU526) },
+ { USB_DEVICE_AND_INTERFACE_INFO(VIETTEL_VENDOR_ID, VIETTEL_PRODUCT_VT1000, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZD_VENDOR_ID, ZD_PRODUCT_7000, 0xff, 0xff, 0xff) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index c325e69..9e069ef 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -1073,6 +1073,7 @@ static struct usb_driver usb_storage_driver = {
.id_table = usb_storage_usb_ids,
.supports_autosuspend = 1,
.soft_unbind = 1,
+ .no_dynamic_id = 1,
};
static int __init usb_stor_init(void)
diff --git a/drivers/video/offb.c b/drivers/video/offb.c
index cb163a5..3251a02 100644
--- a/drivers/video/offb.c
+++ b/drivers/video/offb.c
@@ -100,36 +100,32 @@ static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
u_int transp, struct fb_info *info)
{
struct offb_par *par = (struct offb_par *) info->par;
- int i, depth;
- u32 *pal = info->pseudo_palette;
-
- depth = info->var.bits_per_pixel;
- if (depth == 16)
- depth = (info->var.green.length == 5) ? 15 : 16;
-
- if (regno > 255 ||
- (depth == 16 && regno > 63) ||
- (depth == 15 && regno > 31))
- return 1;
-
- if (regno < 16) {
- switch (depth) {
- case 15:
- pal[regno] = (regno << 10) | (regno << 5) | regno;
- break;
- case 16:
- pal[regno] = (regno << 11) | (regno << 5) | regno;
- break;
- case 24:
- pal[regno] = (regno << 16) | (regno << 8) | regno;
- break;
- case 32:
- i = (regno << 8) | regno;
- pal[regno] = (i << 16) | i;
- break;
+
+ if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
+ u32 *pal = info->pseudo_palette;
+ u32 cr = red >> (16 - info->var.red.length);
+ u32 cg = green >> (16 - info->var.green.length);
+ u32 cb = blue >> (16 - info->var.blue.length);
+ u32 value;
+
+ if (regno >= 16)
+ return -EINVAL;
+
+ value = (cr << info->var.red.offset) |
+ (cg << info->var.green.offset) |
+ (cb << info->var.blue.offset);
+ if (info->var.transp.length > 0) {
+ u32 mask = (1 << info->var.transp.length) - 1;
+ mask <<= info->var.transp.offset;
+ value |= mask;
}
+ pal[regno] = value;
+ return 0;
}
+ if (regno > 255)
+ return -EINVAL;
+
red >>= 8;
green >>= 8;
blue >>= 8;
@@ -381,7 +377,7 @@ static void __init offb_init_fb(const char *name, const char *full_name,
int pitch, unsigned long address,
int foreign_endian, struct device_node *dp)
{
- unsigned long res_size = pitch * height * (depth + 7) / 8;
+ unsigned long res_size = pitch * height;
struct offb_par *par = &default_par;
unsigned long res_start = address;
struct fb_fix_screeninfo *fix;
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 3451d23..db9ba1a 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1568,7 +1568,13 @@ static int ext3_ordered_writepage(struct page *page,
int err;
J_ASSERT(PageLocked(page));
- WARN_ON_ONCE(IS_RDONLY(inode));
+ /*
+ * We don't want to warn for emergency remount. The condition is
+ * ordered to avoid dereferencing inode->i_sb in non-error case to
+ * avoid slow-downs.
+ */
+ WARN_ON_ONCE(IS_RDONLY(inode) &&
+ !(EXT3_SB(inode->i_sb)->s_mount_state & EXT3_ERROR_FS));
/*
* We give up here if we're reentered, because it might be for a
@@ -1642,7 +1648,13 @@ static int ext3_writeback_writepage(struct page *page,
int err;
J_ASSERT(PageLocked(page));
- WARN_ON_ONCE(IS_RDONLY(inode));
+ /*
+ * We don't want to warn for emergency remount. The condition is
+ * ordered to avoid dereferencing inode->i_sb in non-error case to
+ * avoid slow-downs.
+ */
+ WARN_ON_ONCE(IS_RDONLY(inode) &&
+ !(EXT3_SB(inode->i_sb)->s_mount_state & EXT3_ERROR_FS));
if (ext3_journal_current_handle())
goto out_fail;
@@ -1684,7 +1696,13 @@ static int ext3_journalled_writepage(struct page *page,
int err;
J_ASSERT(PageLocked(page));
- WARN_ON_ONCE(IS_RDONLY(inode));
+ /*
+ * We don't want to warn for emergency remount. The condition is
+ * ordered to avoid dereferencing inode->i_sb in non-error case to
+ * avoid slow-downs.
+ */
+ WARN_ON_ONCE(IS_RDONLY(inode) &&
+ !(EXT3_SB(inode->i_sb)->s_mount_state & EXT3_ERROR_FS));
if (ext3_journal_current_handle())
goto no_write;
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index aa91089..f19dfbf 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -453,16 +453,20 @@ int remove_save_link(struct inode *inode, int truncate)
static void reiserfs_kill_sb(struct super_block *s)
{
if (REISERFS_SB(s)) {
- if (REISERFS_SB(s)->xattr_root) {
- d_invalidate(REISERFS_SB(s)->xattr_root);
- dput(REISERFS_SB(s)->xattr_root);
- REISERFS_SB(s)->xattr_root = NULL;
- }
- if (REISERFS_SB(s)->priv_root) {
- d_invalidate(REISERFS_SB(s)->priv_root);
- dput(REISERFS_SB(s)->priv_root);
- REISERFS_SB(s)->priv_root = NULL;
- }
+ /*
+ * Force any pending inode evictions to occur now. Any
+ * inodes to be removed that have extended attributes
+ * associated with them need to clean them up before
+ * we can release the extended attribute root dentries.
+ * shrink_dcache_for_umount will BUG if we don't release
+ * those before it's called so ->put_super is too late.
+ */
+ shrink_dcache_sb(s);
+
+ dput(REISERFS_SB(s)->xattr_root);
+ REISERFS_SB(s)->xattr_root = NULL;
+ dput(REISERFS_SB(s)->priv_root);
+ REISERFS_SB(s)->priv_root = NULL;
}
kill_block_super(s);
@@ -1164,7 +1168,8 @@ static void handle_quota_files(struct super_block *s, char **qf_names,
kfree(REISERFS_SB(s)->s_qf_names[i]);
REISERFS_SB(s)->s_qf_names[i] = qf_names[i];
}
- REISERFS_SB(s)->s_jquota_fmt = *qfmt;
+ if (*qfmt)
+ REISERFS_SB(s)->s_jquota_fmt = *qfmt;
}
#endif
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 2a346bb..0c0c9d3 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -125,7 +125,6 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
err = udf_expand_file_adinicb(inode);
if (err) {
udf_debug("udf_expand_adinicb: err=%d\n", err);
- up_write(&iinfo->i_data_sem);
return err;
}
} else {
@@ -133,9 +132,10 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
iinfo->i_lenAlloc = pos + count;
else
iinfo->i_lenAlloc = inode->i_size;
+ up_write(&iinfo->i_data_sem);
}
- }
- up_write(&iinfo->i_data_sem);
+ } else
+ up_write(&iinfo->i_data_sem);
retval = generic_file_aio_write(iocb, iov, nr_segs, ppos);
if (retval > 0)
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 1d1358e..262050f 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -145,6 +145,12 @@ const struct address_space_operations udf_aops = {
.bmap = udf_bmap,
};
+/*
+ * Expand file stored in ICB to a normal one-block-file
+ *
+ * This function requires i_data_sem for writing and releases it.
+ * This function requires i_mutex held
+ */
int udf_expand_file_adinicb(struct inode *inode)
{
struct page *page;
@@ -163,9 +169,15 @@ int udf_expand_file_adinicb(struct inode *inode)
iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG;
/* from now on we have normal address_space methods */
inode->i_data.a_ops = &udf_aops;
+ up_write(&iinfo->i_data_sem);
mark_inode_dirty(inode);
return 0;
}
+ /*
+ * Release i_data_sem so that we can lock a page - page lock ranks
+ * above i_data_sem. i_mutex still protects us against file changes.
+ */
+ up_write(&iinfo->i_data_sem);
page = find_or_create_page(inode->i_mapping, 0, GFP_NOFS);
if (!page)
@@ -181,6 +193,7 @@ int udf_expand_file_adinicb(struct inode *inode)
SetPageUptodate(page);
kunmap(page);
}
+ down_write(&iinfo->i_data_sem);
memset(iinfo->i_ext.i_data + iinfo->i_lenEAttr, 0x00,
iinfo->i_lenAlloc);
iinfo->i_lenAlloc = 0;
@@ -190,17 +203,20 @@ int udf_expand_file_adinicb(struct inode *inode)
iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG;
/* from now on we have normal address_space methods */
inode->i_data.a_ops = &udf_aops;
+ up_write(&iinfo->i_data_sem);
err = inode->i_data.a_ops->writepage(page, &udf_wbc);
if (err) {
/* Restore everything back so that we don't lose data... */
lock_page(page);
kaddr = kmap(page);
+ down_write(&iinfo->i_data_sem);
memcpy(iinfo->i_ext.i_data + iinfo->i_lenEAttr, kaddr,
inode->i_size);
kunmap(page);
unlock_page(page);
iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB;
inode->i_data.a_ops = &udf_adinicb_aops;
+ up_write(&iinfo->i_data_sem);
}
page_cache_release(page);
mark_inode_dirty(inode);
@@ -1105,10 +1121,9 @@ int udf_setsize(struct inode *inode, loff_t newsize)
if (bsize <
(udf_file_entry_alloc_offset(inode) + newsize)) {
err = udf_expand_file_adinicb(inode);
- if (err) {
- up_write(&iinfo->i_data_sem);
+ if (err)
return err;
- }
+ down_write(&iinfo->i_data_sem);
} else
iinfo->i_lenAlloc = newsize;
}
diff --git a/fs/xfs/linux-2.6/xfs_acl.c b/fs/xfs/linux-2.6/xfs_acl.c
index 4b9fb91..f86e034 100644
--- a/fs/xfs/linux-2.6/xfs_acl.c
+++ b/fs/xfs/linux-2.6/xfs_acl.c
@@ -39,7 +39,7 @@ xfs_acl_from_disk(struct xfs_acl *aclp)
struct posix_acl_entry *acl_e;
struct posix_acl *acl;
struct xfs_acl_entry *ace;
- int count, i;
+ unsigned int count, i;
count = be32_to_cpu(aclp->acl_cnt);
if (count > XFS_ACL_MAX_ENTRIES)
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 73c7df4..b08e04c 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1202,6 +1202,7 @@ struct urb {
void *transfer_buffer; /* (in) associated data buffer */
dma_addr_t transfer_dma; /* (in) dma addr for transfer_buffer */
struct scatterlist *sg; /* (in) scatter gather buffer list */
+ int num_mapped_sgs; /* (internal) mapped sg entries */
int num_sgs; /* (in) number of entries in the sg list */
u32 transfer_buffer_length; /* (in) data buffer length */
u32 actual_length; /* (return) actual transfer length */
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 0fd3fbd..cf65b5c 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -583,8 +583,26 @@ struct usb_ss_ep_comp_descriptor {
} __attribute__ ((packed));
#define USB_DT_SS_EP_COMP_SIZE 6
+
/* Bits 4:0 of bmAttributes if this is a bulk endpoint */
-#define USB_SS_MAX_STREAMS(p) (1 << ((p) & 0x1f))
+static inline int
+usb_ss_max_streams(const struct usb_ss_ep_comp_descriptor *comp)
+{
+ int max_streams;
+
+ if (!comp)
+ return 0;
+
+ max_streams = comp->bmAttributes & 0x1f;
+
+ if (!max_streams)
+ return 0;
+
+ max_streams = 1 << max_streams;
+
+ return max_streams;
+}
+
/* Bits 1:0 of bmAttributes if this is an isoc endpoint */
#define USB_SS_MULT(p) (1 + ((p) & 0x3))
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 575a5e7..2efce77 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1173,10 +1173,10 @@ static int parse_cgroupfs_options(char *data, struct cgroup_sb_opts *opts)
/*
* If the 'all' option was specified select all the subsystems,
- * otherwise 'all, 'none' and a subsystem name options were not
- * specified, let's default to 'all'
+ * otherwise if 'none', 'name=' and a subsystem name options
+ * were not specified, let's default to 'all'
*/
- if (all_ss || (!all_ss && !one_ss && !opts->none)) {
+ if (all_ss || (!one_ss && !opts->none && !opts->name)) {
for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
struct cgroup_subsys *ss = subsys[i];
if (ss == NULL)
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 12b7458..aa39dd7 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -15,6 +15,7 @@
#include <linux/stop_machine.h>
#include <linux/mutex.h>
#include <linux/gfp.h>
+#include <linux/suspend.h>
#ifdef CONFIG_SMP
/* Serializes the updates to cpu_online_mask, cpu_present_mask */
@@ -476,6 +477,79 @@ static int alloc_frozen_cpus(void)
return 0;
}
core_initcall(alloc_frozen_cpus);
+
+/*
+ * Prevent regular CPU hotplug from racing with the freezer, by disabling CPU
+ * hotplug when tasks are about to be frozen. Also, don't allow the freezer
+ * to continue until any currently running CPU hotplug operation gets
+ * completed.
+ * To modify the 'cpu_hotplug_disabled' flag, we need to acquire the
+ * 'cpu_add_remove_lock'. And this same lock is also taken by the regular
+ * CPU hotplug path and released only after it is complete. Thus, we
+ * (and hence the freezer) will block here until any currently running CPU
+ * hotplug operation gets completed.
+ */
+void cpu_hotplug_disable_before_freeze(void)
+{
+ cpu_maps_update_begin();
+ cpu_hotplug_disabled = 1;
+ cpu_maps_update_done();
+}
+
+
+/*
+ * When tasks have been thawed, re-enable regular CPU hotplug (which had been
+ * disabled while beginning to freeze tasks).
+ */
+void cpu_hotplug_enable_after_thaw(void)
+{
+ cpu_maps_update_begin();
+ cpu_hotplug_disabled = 0;
+ cpu_maps_update_done();
+}
+
+/*
+ * When callbacks for CPU hotplug notifications are being executed, we must
+ * ensure that the state of the system with respect to the tasks being frozen
+ * or not, as reported by the notification, remains unchanged *throughout the
+ * duration* of the execution of the callbacks.
+ * Hence we need to prevent the freezer from racing with regular CPU hotplug.
+ *
+ * This synchronization is implemented by mutually excluding regular CPU
+ * hotplug and Suspend/Hibernate call paths by hooking onto the Suspend/
+ * Hibernate notifications.
+ */
+static int
+cpu_hotplug_pm_callback(struct notifier_block *nb,
+ unsigned long action, void *ptr)
+{
+ switch (action) {
+
+ case PM_SUSPEND_PREPARE:
+ case PM_HIBERNATION_PREPARE:
+ cpu_hotplug_disable_before_freeze();
+ break;
+
+ case PM_POST_SUSPEND:
+ case PM_POST_HIBERNATION:
+ cpu_hotplug_enable_after_thaw();
+ break;
+
+ default:
+ return NOTIFY_DONE;
+ }
+
+ return NOTIFY_OK;
+}
+
+
+int cpu_hotplug_pm_sync_init(void)
+{
+ pm_notifier(cpu_hotplug_pm_callback, 0);
+ return 0;
+}
+core_initcall(cpu_hotplug_pm_sync_init);
+
#endif /* CONFIG_PM_SLEEP_SMP */
/**
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index d577199..e0d42db 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -875,6 +875,8 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
* to be intended in a v3 query.
*/
max_delay = IGMPV3_MRC(ih3->code)*(HZ/IGMP_TIMER_SCALE);
+ if (!max_delay)
+ max_delay = 1; /* can't mod w/ 0 */
} else { /* v3 */
if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)))
return;
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 6c164dc..bf54c48 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -1582,6 +1582,8 @@ process_symbols(struct event *event, struct print_arg *arg, char **tok)
field = malloc_or_die(sizeof(*field));
type = process_arg(event, field, &token);
+ while (type == EVENT_OP)
+ type = process_op(event, field, &token);
if (test_type_token(type, token, EVENT_DELIM, ","))
goto out_free;
--
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