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Running randconfig with ktest.pl I hit this bug:
[ 16.101158] ICN-ISDN-driver Rev 1.65.6.8 mem=0x000d0000
[ 16.106376] icn: (line0) ICN-2B, port 0x320 added
[ 16.111064] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: c1642880
[ 16.111066]
[ 16.121214] Pid: 1, comm: swapper Not tainted 2.6.37-rc2-test-00124-g6656b3f #8
[ 16.128499] Call Trace:
[ 16.130942] [<c0f51662>] ? printk+0x1d/0x23
[ 16.135200] [<c0f5153f>] panic+0x5c/0x162
[ 16.139286] [<c0d62a9a>] ? icn_addcard+0x6d/0xbe
[ 16.143975] [<c0445783>] print_tainted+0x0/0x8c
[ 16.148582] [<c1642880>] ? icn_init+0xd8/0xdf
[ 16.153012] [<c1642880>] icn_init+0xd8/0xdf
[ 16.157271] [<c04012e5>] do_one_initcall+0x8c/0x143
[ 16.162222] [<c16427a8>] ? icn_init+0x0/0xdf
[ 16.166566] [<c15f1a05>] kernel_init+0x13f/0x1da
[ 16.171256] [<c15f18c6>] ? kernel_init+0x0/0x1da
[ 16.175945] [<c0403bfe>] kernel_thread_helper+0x6/0x10
[ 16.181181] panic occurred, switching back to text console
Looking into it I found that the stack was corrupted by the assignment
of the Rev #. The variable rev is given 10 bytes, and in this output the
characters that were copied was: " 1.65.6.8 $". Which was 11 characters
plus the null ending character for a total of 12 bytes, thus corrupting
the stack.
This patch ups the variable size to 20 bytes as well as changes the
strcpy to strncpy. I also added a check to make sure '$' is found.
Signed-off-by: Steven Rostedt <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This change fixes a bug that memchr() will read the first word
of the source even if the length is zero. Ironically, the code
was originally written with a test to avoid exactly this problem,
but to make the code conform to Linux coding standards with all
declarations preceding all statements, the first load from memory
was moved up above that test as the initial value for a variable.
The change just moves all the variable declarations to the top
of the file, with no initializers, so that the test can also be
at the top of the file.
Signed-off-by: Chris Metcalf <[email protected]>
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glibc assumes that it can count /sys/devices/system/cpu/cpu* to get
the number of configured cpus. For this to be valid on tile, we need
to generate a "cpu" entry for all cpus, including the ones that are
not currently allocated for Linux's use.
Signed-off-by: Chris Metcalf <[email protected]>
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This change enables PCI root complex support for TILEPro. Unlike
TILE-Gx, TILEPro has no support for memory-mapped I/O, so the PCI
support consists of hypervisor upcalls for PIO, DMA, etc. However,
the performance is fine for the devices we have tested with so far
(1Gb Ethernet, SATA, etc.).
The <asm/io.h> header was tweaked to be a little bit more aggressive
about disabling attempts to map/unmap IO port space. The hacky
<asm/pci-bridge.h> header was rolled into the <asm/pci.h> header
and the result was simplified. Both of the latter two headers were
preliminary versions not meant for release before now - oh well.
There is one quirk for our TILEmpower platform, which accidentally
negotiates up to 5GT and needs to be kicked down to 2.5GT.
Signed-off-by: Chris Metcalf <[email protected]>
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This change adds the first network driver for the tile architecture,
supporting the on-chip XGBE and GBE shims.
The infrastructure is present for the TILE-Gx networking drivers (another
three source files in the new directory) but for now the the actual
tilegx sources are waiting on releasing hardware to initial customers.
Note that arch/tile/include/hv/* are "upstream" headers from the
Tilera hypervisor and will probably benefit less from LKML review.
Signed-off-by: Chris Metcalf <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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Vegard Nossum found a unix socket OOM was possible, posting an exploit
program.
My analysis is we can eat all LOWMEM memory before unix_gc() being
called from unix_release_sock(). Moreover, the thread blocked in
unix_gc() can consume huge amount of time to perform cleanup because of
huge working set.
One way to handle this is to have a sensible limit on unix_tot_inflight,
tested from wait_for_unix_gc() and to force a call to unix_gc() if this
limit is hit.
This solves the OOM and also reduce overall latencies, and should not
slowdown normal workloads.
Reported-by: Vegard Nossum <[email protected]>
Signed-off-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Remove duplicated #include('s) in
arch/x86/xen/setup.c
Signed-off-by: Huang Weiyi <[email protected]>
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
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Only make swapper_pg_dir readonly and pinned when generic x86 architecture code
(which also starts on initial_page_table) switches to it. This helps ensure
that the generic setup paths work on Xen unmodified. In particular
clone_pgd_range writes directly to the destination pgd entries and is used to
initialise swapper_pg_dir so we need to ensure that it remains writeable until
the last possible moment during bring up.
This is complicated slightly by the need to avoid sharing kernel PMD entries
when running under Xen, therefore the Xen implementation must make a copy of
the kernel PMD (which is otherwise referred to by both intial_page_table and
swapper_pg_dir) before switching to swapper_pg_dir.
Signed-off-by: Ian Campbell <[email protected]>
Tested-by: Konrad Rzeszutek Wilk <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Jeremy Fitzhardinge <[email protected]>
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
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The patch enables ALC887-VD to use the DAC at nid 0x26,
which makes it possible to use this DAC for e g Headphone
volume.
Signed-off-by: David Henningsson <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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Signed-off-by: Axel Lin <[email protected]>
Acked-by: Liam Girdwood <[email protected]>
Acked-by: Wan ZongShun <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into for-2.6.37
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Return PTR_ERR(omap3pandora_dac_reg) instead of 0 if regulator_get failed.
Signed-off-by: Axel Lin <[email protected]>
Acked-by: Liam Girdwood <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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MCLKDIV bit of Register 04h Clocking1:
0 : Divide by 1
1 : Divide by 2
Thus in the case of freq <= 16500000, we should clear MCLKDIV bit.
Signed-off-by: Axel Lin <[email protected]>
Acked-by: Liam Girdwood <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
Cc: [email protected]
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DACSLOPE bit of Register 06h ADC and DAC Control 2:
0: Normal mode
1: Sloping stop-band mode
Thus in the case of normal mode, we should clear DACSLOPE bit.
Signed-off-by: Axel Lin <[email protected]>
Acked-by: Liam Girdwood <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
Cc: [email protected]
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The file is not needed.
Signed-off-by: Aaro Koskinen <[email protected]>
Cc: Thomas Winischhofer <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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sis_main.c is always compiled, so we can check Kconfig options there.
Signed-off-by: Aaro Koskinen <[email protected]>
Cc: Thomas Winischhofer <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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Get rid of one more wrapper.
Signed-off-by: Aaro Koskinen <[email protected]>
Cc: Thomas Winischhofer <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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Remove register IO wrappers.
Signed-off-by: Aaro Koskinen <[email protected]>
Cc: Thomas Winischhofer <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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There is no need to alias CONFIG #defines.
Signed-off-by: Aaro Koskinen <[email protected]>
Cc: Thomas Winischhofer <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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It's not needed anymore with SIS_XORG_XF86 gone.
Signed-off-by: Aaro Koskinen <[email protected]>
Cc: Thomas Winischhofer <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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Delete code for compiling the driver for X.org/XFree86. The development
has forked, so there is no point keeping this code in the tree.
Signed-off-by: Aaro Koskinen <[email protected]>
Cc: Thomas Winischhofer <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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If pci_map_rom() fails, there is some fallback code that basically
duplicates pci_map_rom() on non-x86 platforms. No point in that.
Signed-off-by: Aaro Koskinen <[email protected]>
Cc: Thomas Winischhofer <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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Delete a workaround for a PCI ROM bug that has been fixed ages ago by
the commit 761a3ac08c63718dacde12aaf0ec6d6760e8c2b7.
Signed-off-by: Aaro Koskinen <[email protected]>
Cc: Thomas Winischhofer <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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The PLLC2 clock was utilizing the same sort of enable/disable without
regard to usecount approach that the FSIDIV clock was when being used as
a PLL pass-through. This forces the enable/disable through the clock
framework, which now prevents the clock from being ripped out or modified
underneath users that have an existing handle on it.
Signed-off-by: Kuninori Morimoto <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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Signed-off-by: Kuninori Morimoto <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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Signed-off-by: Kuninori Morimoto <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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Current AP4 FSI didn't use set_rate for ak4642,
and used dummy rate when init.
And FSI driver was modified to always call set_rate.
The user which are using FSI set_rate is only AP4 now.
Signed-off-by: Kuninori Morimoto <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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Current AP4 FSI set_rate function used bogus clock process
which didn't care enable/disable and clk->usecound.
To solve this issue, this patch also modify FSI driver to call
set_rate with enough options.
This patch modify it.
Signed-off-by: Kuninori Morimoto <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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Current FSIDIV clock framework had bogus disable.
This patch remove it.
Signed-off-by: Kuninori Morimoto <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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Before 2.6.37, the md layer had a mechanism for catching I/Os with the
barrier flag set, and translating the barrier into barriers for all
the underlying devices. With 2.6.37, I/O barriers have become plain
old flushes, and the md code was updated to reflect this. However,
one piece was left out -- the md layer does not tell the block layer
that it supports flushes or FUA access at all, which results in md
silently dropping flush requests.
Since the support already seems there, just add this one piece of
bookkeeping.
Signed-off-by: Darrick J. Wong <[email protected]>
Signed-off-by: NeilBrown <[email protected]>
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Commit 4044ba58dd15cb01797c4fd034f39ef4a75f7cc3 supposedly fixed a
problem where if a raid1 with just one good device gets a read-error
during recovery, the recovery would abort and immediately restart in
an infinite loop.
However it depended on raid1_remove_disk removing the spare device
from the array. But that does not happen in this case. So add a test
so that in the 'recovery_disabled' case, the device will be removed.
This suitable for any kernel since 2.6.29 which is when
recovery_disabled was introduced.
Cc: [email protected]
Reported-by: Sebastian Färber <[email protected]>
Signed-off-by: NeilBrown <[email protected]>
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When trying to grow an array by enlarging component devices,
rdev_size_store() expects the return value of rdev_size_change() to be
in sectors, but the actual value is returned in KBs.
This functionality was broken by commit
dd8ac336c13fd8afdb082ebacb1cddd5cf727889
so this patch is suitable for any kernel since 2.6.30.
Cc: [email protected]
Signed-off-by: Justin Maggard <[email protected]>
Signed-off-by: NeilBrown <[email protected]>
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Fixes automatic EAPD configuration on Acer 7730G laptop.
Signed-off-by: Denis Kuplyakov <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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The sysfs files for virtio produce the wrong format and are missing
the required newline. The output for virtio bus vendor/device should
have the same format as the corresponding entries for PCI devices.
Although this technically changes the ABI for sysfs, these files were
broken to start with!
Signed-off-by: Stephen Hemminger <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
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Stanse found that in init_vqs, memory is leaked under certain
circumstanses (the fail path order is incorrect). Fix that by checking
allocations in one turn and free all of them at once if some fails
(some may be NULL, but this is OK).
Signed-off-by: Jiri Slaby <[email protected]>
Cc: Amit Shah <[email protected]>
Cc: [email protected]
Cc: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
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We can't rely on indirect buffers for capacity
calculations because they need a memory allocation
which might fail. In particular, virtio_net can get
into this situation under stress, and it drops packets
and performs badly.
So return the number of buffers we can guarantee users.
Signed-off-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
Reported-By: Krishna Kumar2 <[email protected]>
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Commit 9bea7f23952d5948f8e5dfdff4de09bb9981fb5f renamed use_module to
ref_module (and changed its return value), but forgot to update this
prototype in module.h.
Signed-off-by: Anders Kaseorg <[email protected]>
Acked-by: WANG Cong <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
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Fixes a typo: "uncommited" -> "uncommitted".
Signed-off-by: Ryusuke Konishi <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (41 commits)
ALSA: hda - Identify more variants for ALC269
ALSA: hda - Fix wrong ALC269 variant check
ALSA: hda - Enable jack sense for Thinkpad Edge 11
ALSA: Revert "ALSA: hda - Fix switching between dmic and mic using the same mux on IDT/STAC"
ALSA: hda - Fixed ALC887-VD initial error
ALSA: atmel - Fix the return value in error path
ALSA: hda: Use hp-laptop quirk to enable headphones automute for Asus A52J
ALSA: snd-atmel-abdac: test wrong variable
ALSA: azt3328: period bug fix (for PA), add missing ACK on stop timer
ALSA: hda: Add Samsung R720 SSID for subwoofer pin fixup
ALSA: sound/pci/asihpi/hpioctl.c: Remove unnecessary casts of pci_get_drvdata
ALSA: sound/core/pcm_lib.c: Remove unnecessary semicolons
ALSA: sound/ppc: Use printf extension %pR for struct resource
ALSA: ac97: Apply quirk for Dell Latitude D610 binding Master and Headphone controls
ASoC: uda134x - set reg_cache_default to uda134x_reg
ASoC: Add support for MAX98089 CODEC
ASoC: davinci: fixes for multi-component
ASoC: Fix register cache setup WM8994 for multi-component
ASoC: Fix dapm_seq_compare() for multi-component
ASoC: RX1950: Fix hw_params function
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen
* 'upstream/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen: (23 commits)
xen/events: Use PIRQ instead of GSI value when unmapping MSI/MSI-X irqs.
xen: set IO permission early (before early_cpu_init())
xen: re-enable boot-time ballooning
xen/balloon: make sure we only include remaining extra ram
xen/balloon: the balloon_lock is useless
xen: add extra pages to balloon
xen: make evtchn's name less generic
xen/evtchn: the evtchn device is non-seekable
Revert "xen/privcmd: create address space to allow writable mmaps"
xen/events: use locked set|clear_bit() for cpu_evtchn_mask
xen/evtchn: clear secondary CPUs' cpu_evtchn_mask[] after restore
xen/xenfs: update xenfs_mount for new prototype
xen: fix header export to userspace
xen: implement XENMEM_machphys_mapping
xen: set vma flag VM_PFNMAP in the privcmd mmap file_op
xen: xenfs: privcmd: check put_user() return code
xen/evtchn: add missing static
xen/evtchn: Fix name of Xen event-channel device
xen/evtchn: don't do unbind_from_irqhandler under spinlock
xen/evtchn: remove spurious barrier
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
of/phylib: Use device tree properties to initialize Marvell PHYs.
phylib: Add support for Marvell 88E1149R devices.
phylib: Use common page register definition for Marvell PHYs.
qlge: Fix incorrect usage of module parameters and netdev msg level
ipv6: fix missing in6_ifa_put in addrconf
SuperH IrDA: correct Baud rate error correction
atl1c: Fix hardware type check for enabling OTP CLK
net: allow GFP_HIGHMEM in __vmalloc()
bonding: change list contact to [email protected]
e1000: fix screaming IRQ
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: EHCI: fix obscure race in ehci_endpoint_disable
USB: gadget: AT91: fix typo in atmel_usba_udc driver
USB: isp1362-hcd - fix section mismatch warning
USB: EHCI: AMD periodic frame list table quirk
USB: OTG: langwell_otg: fix up some sysfs attribute permissions
USB: misc: usbsevseg: fix up some sysfs attribute permissions
USB: misc: usbled: fix up some sysfs attribute permissions
USB: misc: trancevibrator: fix up a sysfs attribute permission
USB: misc: cypress_cy7c63: fix up some sysfs attribute permissions
USB: storage: sierra_ms: fix sysfs file attribute
USB: ehci: fix debugfs 'lpm' permissions
USB: atm: ueagle-atm: fix up some permissions on the sysfs files
xhci: Fix command ring replay after resume.
xHCI: fix wMaxPacketSize mask
xHCI: release spinlock when setup interrupt
xhci: Remove excessive printks with shared IRQs.
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init_mm used at kernel/sched.c:idle_task_exit() has spin_lock
(init_mm.context.id_lock) that is not initialized when spin_lock/unlock
is called at an ARM machine. Note that mm_struct.context.id_lock is
usually initialized except for the instance of init_mm at
linux/arch/arm/mm/context.c
Not initializing this spinlock incurs "BUG: pinlock bad magic"
warning when spinlock debug is enabled. We have observed such
instances when testing PM in S5PC210 machines.
Signed-off-by: MyungJoo Ham <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
Signed-off-by: Russell King <[email protected]>
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Adding KERN_WARNING in the middle of strings now produces those tokens
in the output, rather than accepting the level as was once the case.
Fix this in the one reported case. There might be more...
Signed-off-by: Russell King <[email protected]>
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f281233 (SCSI host lock push-down) broke the fas216 build:
drivers/scsi/arm/fas216.h: In function 'fas216_noqueue_command':
drivers/scsi/arm/fas216.h:354: error: storage class specified for parameter 'fas216_intr'
drivers/scsi/arm/fas216.h:356: error: storage class specified for parameter 'fas216_remove'
...
Fix it.
Signed-off-by: Russell King <[email protected]>
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Fix unbalanced call to sdio_release_host() on the error path.
Signed-off-by: Guennadi Liakhovetski <[email protected]>
Acked-by: Larry Finger <[email protected]>
Cc: [email protected]
Signed-off-by: John W. Linville <[email protected]>
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At least on ARM, padding is inserted between rb_node and sym in struct
symbol_name_rb_node, causing "((void *)sym) - sizeof(struct rb_node)" to
point inside rb_node rather than to the symbol_name_rb_node. Fix this
by converting the code to use container_of().
Cc: Ian Munsie <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Ming Lei <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Tom Zanussi <[email protected]>
LKML-Reference: <20101123163106.GA25677@debian>
Signed-off-by: Rabin Vincent <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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