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Annie Li 1e0b6eac6a xen/netback: only non-freed SKB is queued into tx_queue 
After SKB is queued into tx_queue, it will be freed if request_gop is NULL.
However, no dequeue action is called in this situation, it is likely that
tx_queue constains freed SKB. This patch should fix this issue, and it is
based on 3.5.0-rc4+.

This issue is found through code inspection, no bug is seen with it currently.
I run netperf test for several hours, and no network regression was found.

Signed-off-by: Annie Li <annie.li@oracle.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-29 00:50:20 -07:00
..
accessibility
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acpi
Merge branches 'bugfix-battery', 'bugfix-misc', 'bugfix-rafael', 'bugfix-turbostat', 'bugfix-video' and 'workaround-pss' into release
2012-06-04 00:48:41 -04:00
amba
arm-soc: driver specific updates
2012-05-26 12:22:27 -07:00
ata
Viresh has moved
2012-06-20 14:39:36 -07:00
atm
solos-pci: Fix DMA support
2012-05-24 16:22:53 -04:00
auxdisplay
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base
Driver core and printk fixes for 3.5-rc4
2012-06-20 15:14:28 -07:00
bcma
bcma: fix null pointer in bcma_core_pci_irq_ctl
2012-06-08 13:47:07 -04:00
block
mtip32xx: Changes to sysfs entries
2012-05-31 08:46:50 +02:00
bluetooth
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2012-06-25 15:50:32 -07:00
cdrom
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char
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2012-06-18 12:20:36 -07:00
clk
clk: mxs: fix clock lookup after freeing init memory
2012-06-25 16:51:48 -07:00
clocksource
clocksource: sh_tmu: Use clockevents_config_and_register().
2012-06-11 17:10:16 +09:00
connector
connector: use nlmsg_put() instead of NLMSG_PUT() macro.
2012-06-26 21:14:20 -07:00
cpufreq
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cpuidle
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crypto
arm-soc: clock driver changes
2012-05-26 12:42:29 -07:00
dca
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devfreq
Power management updates for 3.5
2012-05-23 14:07:06 -07:00
dio
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dma
Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
2012-06-20 22:12:52 -07:00
edac
edac: Do alignment logic properly in edac_align_ptr()
2012-06-11 12:43:16 -03:00
eisa
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extcon
extcon: max8997: Add missing kfree for info->edev in max8997_muic_remove()
2012-06-18 16:30:42 -07:00
firewire
IEEE 1394 (FireWire) subsystem updates post v3.4:
2012-05-24 12:57:47 -07:00
firmware
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gpio
gpio/samsung: fix the typo 'exynos5_xxx' instead of 'exonys5_xxx'
2012-06-03 21:21:01 -07:00
gpu
Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
2012-06-27 19:56:20 +01:00
hid
Merge branch 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
2012-06-26 11:23:41 -07:00
hsi
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hv
Driver core pull for 3.5-rc1
2012-05-22 16:02:13 -07:00
hwmon
hwmon: Update my e-mail address
2012-06-25 06:46:24 -07:00
hwspinlock
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i2c
i2c: Add generic I2C multiplexer using pinctrl API
2012-06-04 16:49:43 +02:00
ide
drivers/ide/ide-cs.c: adjust suspicious bit operation
2012-06-12 15:51:41 -07:00
idle
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ieee802154
drivers/ieee802154: add support for the at86rf230/231 transceivers
2012-06-26 21:06:11 -07:00
iio
iio: drop wrong reference from Kconfig
2012-06-14 17:28:46 -07:00
infiniband
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2012-06-28 17:37:00 -07:00
input
i2c: Split I2C_M_NOSTART support out of I2C_FUNC_PROTOCOL_MANGLING
2012-05-30 10:55:34 +02:00
iommu
iommu/amd: Fix deadlock in ppr-handling error path
2012-06-04 12:47:44 +02:00
isdn
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2012-05-24 11:54:29 -07:00
leds
leds: Make LEDS_ASIC3 and LEDS_RENESAS_TPU depend on LEDS_CLASS=y
2012-06-12 10:56:25 +08:00
lguest
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macintosh
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md
md: 2 fixes for 3.5-rc
2012-06-06 09:49:28 -07:00
media
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2012-06-25 14:53:09 -07:00
memory
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memstick
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message
Merge branch 'akpm' (Andrew's patch-bomb)
2012-05-31 18:10:18 -07:00
mfd
Viresh has moved
2012-06-20 14:39:36 -07:00
misc
misc: mei: set WDIOF_ALARMONLY on mei watchdog
2012-06-13 15:34:31 -07:00
mmc
Revert "mmc: omap_hsmmc: Enable Auto CMD12"
2012-06-26 16:10:30 -04:00
mtd
Fix the debugfs regression - we never enable it because incorrect
2012-06-28 11:41:43 -07:00
net
xen/netback: only non-freed SKB is queued into tx_queue
2012-06-29 00:50:20 -07:00
nfc
NFC: Monitor pn533 target mode
2012-06-04 21:34:34 +02:00
nubus
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of
netdev/phy/of: Handle IEEE802.3 clause 45 Ethernet PHYs in of_mdiobus_register()
2012-06-27 21:23:24 -07:00
oprofile
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parisc
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2012-05-22 19:22:50 -07:00
parport
Driver core pull for 3.5-rc1
2012-05-22 16:02:13 -07:00
pci
USB: add NO_D3_DURING_SLEEP flag and revert 151b61284776be2
2012-06-13 13:11:39 -07:00
pcmcia
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pinctrl
Merge branch 'akpm' (Andrew's patch-bomb)
2012-06-20 14:41:57 -07:00
platform
drivers/platform/x86/acerhdf.c: correct Boris' mail address
2012-06-07 14:43:55 -07:00
pnp
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power
A bunch of fixes for v3.5, nothing extraordinary.
2012-05-31 12:10:15 -07:00
pps
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ps3
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ptp
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2012-05-22 19:22:50 -07:00
rapidio
rapidio/tsi721: add DMA engine support
2012-05-31 17:49:31 -07:00
regulator
regulator: palmas: fix regmap offsets for enable/disable
2012-06-23 11:37:28 +01:00
remoteproc
remoteproc/omap: fix dev_err typo
2012-06-17 10:31:03 +03:00
rpmsg
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rtc
Merge branches 'bugfix-battery', 'bugfix-misc', 'bugfix-rafael', 'bugfix-turbostat', 'bugfix-video' and 'workaround-pss' into release
2012-06-04 00:48:41 -04:00
s390
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2012-05-31 10:51:10 -07:00
sbus
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scsi
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2012-06-28 17:37:00 -07:00
sfi
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sh
sh: intc: Kill off special reservation interface.
2012-05-22 19:07:55 +09:00
sn
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spi
SPI: fix over-eager devm_xxx() conversion
2012-06-18 11:27:04 +01:00
ssb
ssb: add missing PCI ID for b/g/n single band BCM4322
2012-06-11 14:59:44 -04:00
staging
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2012-06-28 17:37:00 -07:00
target
target: Return error to initiator if SET TARGET PORT GROUPS emulation fails
2012-06-12 20:12:25 -07:00
tc
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thermal
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tty
Serial driver fixes for 3.5-rc4
2012-06-20 15:13:13 -07:00
uio
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usb
USB: CP210x Add 10 Device IDs
2012-06-26 16:14:34 -07:00
uwb
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vhost
vhost: use USER_DS in vhost_worker thread
2012-06-26 21:10:56 -07:00
video
fbdev fixes for 3.5
2012-06-16 16:59:05 -07:00
virt
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virtio
virtio-mmio: Devices parameter parsing
2012-05-22 12:16:15 +09:30
vlynq
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vme
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w1
arm-soc: clock driver changes
2012-05-26 12:42:29 -07:00
watchdog
watchdog: core: fix WDIOC_GETSTATUS return value
2012-06-28 20:40:56 +02:00
xen
Five bug-fixes:
2012-06-15 17:17:15 -07:00
zorro
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Kconfig
Staging tree pull request for 3.5-rc1
2012-05-22 16:34:21 -07:00
Makefile
arm-soc: driver specific updates
2012-05-26 12:22:27 -07:00