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NeilBrown b50c259e25 md/raid10: fix two bugs in handling of known-bad-blocks. 
If we discover a bad block when reading we split the request and
potentially read some of it from a different device.

The code path of this has two bugs in RAID10.
1/ we get a spin_lock with _irq, but unlock without _irq!!
2/ The calculation of 'sectors_handled' is wrong, as can be clearly
   seen by comparison with raid1.c

This leads to at least 2 warnings and a probable crash is a RAID10
ever had known bad blocks.

Cc: stable@vger.kernel.org (v3.1+)
Fixes: 856e08e23762dfb92ffc68fd0a8d228f9e152160
Reported-by: Damian Nowak <spam@nowaker.net>
URL: https://bugzilla.kernel.org/show_bug.cgi?id=68181
Signed-off-by: NeilBrown <neilb@suse.de>
2014-01-14 16:44:07 +11:00
..
accessibility
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acpi
More ACPI and power management updates for 3.13-rc1
2013-11-20 13:25:04 -08:00
amba
DMA-API: amba: get rid of separate dma_mask
2013-10-31 14:48:38 +00:00
ata
More ACPI and power management updates for 3.13-rc1
2013-11-20 13:25:04 -08:00
atm
atm: idt77252: fix dev refcnt leak
2013-11-19 15:53:02 -05:00
auxdisplay
framebuffer: Use fb_<level>
2013-10-29 12:53:07 +02:00
base
More ACPI and power management updates for 3.13-rc1
2013-11-20 13:25:04 -08:00
bcma
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2013-11-13 17:40:34 +09:00
block
kernel: remove CONFIG_USE_GENERIC_SMP_HELPERS cleanly
2013-11-21 16:42:27 -08:00
bluetooth
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
2013-11-05 15:58:21 -05:00
bus
Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
2013-11-14 08:51:29 +09:00
cdrom
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char
Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2013-11-21 19:46:00 -08:00
clk
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-11-15 16:47:22 -08:00
clocksource
clocksource: sun4i: remove IRQF_DISABLED
2013-10-22 22:36:50 +02:00
connector
connector: improved unaligned access error fix
2013-11-14 17:19:20 -05:00
cpufreq
More ACPI and power management updates for 3.13-rc1
2013-11-20 13:25:04 -08:00
cpuidle
ACPI and power management updates for 3.13-rc1
2013-11-14 13:41:48 +09:00
crypto
tree-wide: use reinit_completion instead of INIT_COMPLETION
2013-11-15 09:32:21 +09:00
dca
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devfreq
Merge branch 'pm-devfreq'
2013-11-07 19:24:20 +01:00
dio
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dma
Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma
2013-11-20 13:20:24 -08:00
edac
Merge branch 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac
2013-11-18 14:51:52 -08:00
eisa
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extcon
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firewire
tree-wide: use reinit_completion instead of INIT_COMPLETION
2013-11-15 09:32:21 +09:00
firmware
Merge branch 'for-linus-dma-masks' of git://git.linaro.org/people/rmk/linux-arm
2013-11-14 07:55:21 +09:00
fmc
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gpio
ACPI / driver core: Store an ACPI device pointer in struct acpi_dev_node
2013-11-14 23:14:43 +01:00
gpu
drm/sysfs: fix hotplug regression since lifetime changes
2013-11-21 21:10:00 +10:00
hid
More ACPI and power management updates for 3.13-rc1
2013-11-20 13:25:04 -08:00
hsi
hsi: convert bus code to use dev_groups
2013-10-16 18:36:04 -07:00
hv
Drivers: hv: vmbus: Fix a bug in channel rescind code
2013-10-19 19:53:46 -07:00
hwmon
hwmon: (acpi_power_meter) Fix acpi_bus_get_device() return value check
2013-11-20 08:31:01 -08:00
hwspinlock
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i2c
More ACPI and power management updates for 3.13-rc1
2013-11-20 13:25:04 -08:00
ide
More ACPI and power management updates for 3.13-rc1
2013-11-20 13:25:04 -08:00
idle
Merge branch 'pm-cpuidle'
2013-11-19 01:06:28 +01:00
iio
kfifo API type safety
2013-11-15 09:32:23 +09:00
infiniband
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2013-11-22 10:52:03 -08:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
2013-11-15 16:48:22 -08:00
iommu
Don't try to compile shmobile-iommu outside of ARM
2013-11-15 18:57:42 -08:00
ipack
ipack: convert bus code to use dev_groups
2013-10-16 18:40:57 -07:00
irqchip
Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
2013-11-14 08:51:29 +09:00
isdn
net: rework recvmsg handler msg_name and msg_namelen logic
2013-11-20 21:52:30 -05:00
leds
leds: lp55xx: handle enable pin in driver
2013-10-25 10:13:25 -07:00
lguest
x86, asmlinkage, lguest: Pass in globals into assembler statement
2013-11-07 12:13:05 +10:30
macintosh
DeviceTree updates for 3.13. This is a bit larger pull request than
2013-11-12 16:52:17 +09:00
mailbox
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md
md/raid10: fix two bugs in handling of known-bad-blocks.
2014-01-14 16:44:07 +11:00
media
Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma
2013-11-20 13:20:24 -08:00
memory
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memstick
tree-wide: use reinit_completion instead of INIT_COMPLETION
2013-11-15 09:32:21 +09:00
message
drivers/message/i2o/driver.c: add missing destroy_workqueue() on error in i2o_driver_register()
2013-11-13 12:09:26 +09:00
mfd
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-11-15 16:47:22 -08:00
misc
Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma
2013-11-20 13:20:24 -08:00
mmc
More ACPI and power management updates for 3.13-rc1
2013-11-20 13:25:04 -08:00
mtd
Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma
2013-11-20 13:20:24 -08:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-11-22 09:57:35 -08:00
nfc
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ntb
dmaengine: remove DMA unmap flags
2013-11-14 11:04:38 -08:00
nubus
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of
Merge branch 'for-linus-dma-masks' of git://git.linaro.org/people/rmk/linux-arm
2013-11-14 07:55:21 +09:00
oprofile
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parisc
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parport
Kconfig cleanups for v3.13
2013-11-15 14:05:15 -08:00
pci
PCI updates for v3.13:
2013-11-22 10:53:47 -08:00
pcmcia
DeviceTree updates for 3.13. This is a bit larger pull request than
2013-11-12 16:52:17 +09:00
phy
usb: patches for v3.13
2013-10-24 16:18:40 +01:00
pinctrl
pinctrl: single: call pcs_soc->rearm() whenever IRQ mask is changed
2013-11-14 10:43:17 -08:00
platform
More ACPI and power management updates for 3.13-rc1
2013-11-20 13:25:04 -08:00
pnp
ACPI: Eliminate the DEVICE_ACPI_HANDLE() macro
2013-11-14 23:17:21 +01:00
power
Highlights:
2013-11-18 15:35:09 -08:00
powercap
PowerCap: Fix build error with option -Werror=format-security
2013-11-05 02:36:57 +01:00
pps
drivers/pps/clients/pps-gpio.c: remove redundant of_match_ptr
2013-11-13 12:09:35 +09:00
ps3
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ptp
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pwm
pwm: samsung: Fix kernel warning while unexporting a channel
2013-11-01 11:17:57 +01:00
rapidio
rapidio: convert bus code to use dev_groups
2013-10-16 18:36:03 -07:00
regulator
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-11-15 16:47:22 -08:00
remoteproc
virtio_ring: change host notification API
2013-10-29 11:28:11 +10:30
reset
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rpmsg
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rtc
ARM: drivers/rtc/rtc-at91rm9200.c: disable interrupts at shutdown
2013-11-21 16:42:27 -08:00
s390
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2013-11-19 11:43:21 -08:00
sbus
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scsi
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2013-11-22 10:52:03 -08:00
sfi
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sh
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sn
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spi
More ACPI and power management updates for 3.13-rc1
2013-11-20 13:25:04 -08:00
ssb
ssb: convert bus code to use dev_groups
2013-10-16 18:36:03 -07:00
staging
Merge branch 'topic/kbuild-fixes-for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2013-11-18 15:10:05 -08:00
target
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2013-11-22 10:52:03 -08:00
tc
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thermal
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-11-19 15:50:47 -08:00
tty
Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma
2013-11-20 13:20:24 -08:00
uio
drivers/uio/uio_pruss.c: use gen_pool_dma_alloc() to allocate sram memory
2013-11-13 12:09:23 +09:00
usb
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2013-11-22 10:52:03 -08:00
uwb
Driver Core / sysfs patches for 3.13-rc1
2013-11-07 11:42:15 +09:00
vfio
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vhost
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
2013-11-22 10:52:03 -08:00
video
ARM: SoC fixes for 3.13 merge window
2013-11-16 12:45:55 -08:00
virt
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virtio
Nothing really exciting: some groundwork for changing virtio endian, and
2013-11-15 13:28:47 +09:00
vlynq
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vme
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w1
drivers/w1/masters/w1-gpio.c: use dev_get_platdata()
2013-11-15 09:32:21 +09:00
watchdog
watchdog: w83627hf: Use helper functions to access superio registers
2013-11-18 21:34:19 +01:00
xen
More ACPI and power management updates for 3.13-rc1
2013-11-20 13:25:04 -08:00
zorro
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Kconfig
ACPI and power management updates for 3.13-rc1
2013-11-14 13:41:48 +09:00
Makefile
ACPI and power management updates for 3.13-rc1
2013-11-14 13:41:48 +09:00