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The USB3503 driver had an incorrect depedency on REGMAP, instead of
REGMAP_I2C. This caused the build to fail since the necessary regmap
i2c pieces were not available.
Signed-off-by: Matthew Dawson <matthew@mjdsystems.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When CMA fails to initialize in v3.12-rc4, the chipidea driver oopses
the kernel while trying to remove and put the HCD which doesn't exist:
WARNING: CPU: 0 PID: 6 at /home/rmk/git/linux-rmk/arch/arm/mm/dma-mapping.c:511
__dma_alloc+0x200/0x240()
coherent pool not initialised!
Modules linked in:
CPU: 0 PID: 6 Comm: kworker/u2:0 Tainted: G W 3.12.0-rc4+ #56
Workqueue: deferwq deferred_probe_work_func
Backtrace:
[<c001218c>] (dump_backtrace+0x0/0x10c) from [<c0012328>] (show_stack+0x18/0x1c)
r6:c05fd9cc r5:000001ff r4:00000000 r3:df86ad00
[<c0012310>] (show_stack+0x0/0x1c) from [<c05f3a4c>] (dump_stack+0x70/0x8c)
[<c05f39dc>] (dump_stack+0x0/0x8c) from [<c00230a8>] (warn_slowpath_common+0x6c/0x8c)
r4:df883a60 r3:df86ad00
[<c002303c>] (warn_slowpath_common+0x0/0x8c) from [<c002316c>] (warn_slowpath_fmt+0x38/0x40)
r8:ffffffff r7:00001000 r6:c083b808 r5:00000000 r4:df2efe80
[<c0023134>] (warn_slowpath_fmt+0x0/0x40) from [<c00196bc>] (__dma_alloc+0x200/0x240)
r3:00000000 r2:c05fda00
[<c00194bc>] (__dma_alloc+0x0/0x240) from [<c001982c>] (arm_dma_alloc+0x88/0xa0)
[<c00197a4>] (arm_dma_alloc+0x0/0xa0) from [<c03e2904>] (ehci_setup+0x1f4/0x438)
[<c03e2710>] (ehci_setup+0x0/0x438) from [<c03cbd60>] (usb_add_hcd+0x18c/0x664)
[<c03cbbd4>] (usb_add_hcd+0x0/0x664) from [<c03e89f4>] (host_start+0xf0/0x180)
[<c03e8904>] (host_start+0x0/0x180) from [<c03e7c34>] (ci_hdrc_probe+0x360/0x670
)
r6:df2ef410 r5:00000000 r4:df2c3010 r3:c03e8904
[<c03e78d4>] (ci_hdrc_probe+0x0/0x670) from [<c0311044>] (platform_drv_probe+0x20/0x24)
[<c0311024>] (platform_drv_probe+0x0/0x24) from [<c030fcac>] (driver_probe_device+0x9c/0x234)
...
---[ end trace c88ccaf3969e8422 ]---
Unable to handle kernel NULL pointer dereference at virtual address 00000028
pgd = c0004000
[00000028] *pgd=00000000
Internal error: Oops: 17 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 6 Comm: kworker/u2:0 Tainted: G W 3.12.0-rc4+ #56
Workqueue: deferwq deferred_probe_work_func
task: df86ad00 ti: df882000 task.ti: df882000
PC is at usb_remove_hcd+0x10/0x150
LR is at host_stop+0x1c/0x3c
pc : [<c03cacec>] lr : [<c03e88e4>] psr: 60000013
sp : df883b50 ip : df883b78 fp : df883b74
r10: c11f4c54 r9 : c0836450 r8 : df30c400
r7 : fffffff4 r6 : df2ef410 r5 : 00000000 r4 : df2c3010
r3 : 00000000 r2 : 00000000 r1 : df86b0a0 r0 : 00000000
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c53c7d Table: 2f29404a DAC: 00000015
Process kworker/u2:0 (pid: 6, stack limit = 0xdf882240)
Stack: (0xdf883b50 to 0xdf884000)
...
Backtrace:
[<c03cacdc>] (usb_remove_hcd+0x0/0x150) from [<c03e88e4>] (host_stop+0x1c/0x3c)
r6:df2ef410 r5:00000000 r4:df2c3010
[<c03e88c8>] (host_stop+0x0/0x3c) from [<c03e8aa0>] (ci_hdrc_host_destroy+0x1c/0x20)
r5:00000000 r4:df2c3010
[<c03e8a84>] (ci_hdrc_host_destroy+0x0/0x20) from [<c03e7c80>] (ci_hdrc_probe+0x3ac/0x670)
[<c03e78d4>] (ci_hdrc_probe+0x0/0x670) from [<c0311044>] (platform_drv_probe+0x20/0x24)
[<c0311024>] (platform_drv_probe+0x0/0x24) from [<c030fcac>] (driver_probe_device+0x9c/0x234)
[<c030fc10>] (driver_probe_device+0x0/0x234) from [<c030ff28>] (__device_attach+0x44/0x48)
...
---[ end trace c88ccaf3969e8423 ]---
Fix this so at least we can continue booting and get to a shell prompt.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some USB drive enclosures do not correctly report an
overflow condition if they hold a drive with a capacity
over 2TB and are confronted with a READ_CAPACITY_10.
They answer with their capacity modulo 2TB.
The generic layer cannot cope with that. It must be told
to use READ_CAPACITY_16 from the beginning.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Interface 6 of this device speaks QMI as per tests done by us.
Credits go to Antonella for providing the hardware.
Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com>
Signed-off-by: Antonella Pellizzari <anto.pellizzari83@gmail.com>
Tested-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Due to missing braces on an if statement, in presence of a device_node a
port was always assigned -1, regardless of any alias entries in the
device tree. Conversely, if device_node was NULL, an unitialized port
ended up being used.
This patch adds the missing braces, fixing the issues.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The device descriptors are messed up after remote wakeup
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In GCC the sizeof(hdsp_version) is 8 because there is a 2 byte hole at
the end of the struct after ->firmware_rev.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This patch fixes a particular type of data corruption that has been
encountered when loading a snapshot's metadata from disk.
When we allocate a new chunk in persistent_prepare, we increment
ps->next_free and we make sure that it doesn't point to a metadata area
by further incrementing it if necessary.
When we load metadata from disk on device activation, ps->next_free is
positioned after the last used data chunk. However, if this last used
data chunk is followed by a metadata area, ps->next_free is positioned
erroneously to the metadata area. A newly-allocated chunk is placed at
the same location as the metadata area, resulting in data or metadata
corruption.
This patch changes the code so that ps->next_free skips the metadata
area when metadata are loaded in function read_exceptions.
The patch also moves a piece of code from persistent_prepare_exception
to a separate function skip_metadata to avoid code duplication.
CVE-2013-4299
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Cc: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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BugLink: http://bugs.launchpad.net/bugs/1235977
The profile introspection seq file has a locking bug when policy is viewed
from a virtual root (task in a policy namespace), introspection from the
real root is not affected.
The test for root
while (parent) {
is correct for the real root, but incorrect for tasks in a policy namespace.
This allows the task to walk backup the policy tree past its virtual root
causing it to be unlocked before the virtual root should be in the p_stop
fn.
This results in the following lockdep back trace:
[ 78.479744] [ BUG: bad unlock balance detected! ]
[ 78.479792] 3.11.0-11-generic #17 Not tainted
[ 78.479838] -------------------------------------
[ 78.479885] grep/2223 is trying to release lock (&ns->lock) at:
[ 78.479952] [<ffffffff817bf3be>] mutex_unlock+0xe/0x10
[ 78.480002] but there are no more locks to release!
[ 78.480037]
[ 78.480037] other info that might help us debug this:
[ 78.480037] 1 lock held by grep/2223:
[ 78.480037] #0: (&p->lock){+.+.+.}, at: [<ffffffff812111bd>] seq_read+0x3d/0x3d0
[ 78.480037]
[ 78.480037] stack backtrace:
[ 78.480037] CPU: 0 PID: 2223 Comm: grep Not tainted 3.11.0-11-generic #17
[ 78.480037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 78.480037] ffffffff817bf3be ffff880007763d60 ffffffff817b97ef ffff8800189d2190
[ 78.480037] ffff880007763d88 ffffffff810e1c6e ffff88001f044730 ffff8800189d2190
[ 78.480037] ffffffff817bf3be ffff880007763e00 ffffffff810e5bd6 0000000724fe56b7
[ 78.480037] Call Trace:
[ 78.480037] [<ffffffff817bf3be>] ? mutex_unlock+0xe/0x10
[ 78.480037] [<ffffffff817b97ef>] dump_stack+0x54/0x74
[ 78.480037] [<ffffffff810e1c6e>] print_unlock_imbalance_bug+0xee/0x100
[ 78.480037] [<ffffffff817bf3be>] ? mutex_unlock+0xe/0x10
[ 78.480037] [<ffffffff810e5bd6>] lock_release_non_nested+0x226/0x300
[ 78.480037] [<ffffffff817bf2fe>] ? __mutex_unlock_slowpath+0xce/0x180
[ 78.480037] [<ffffffff817bf3be>] ? mutex_unlock+0xe/0x10
[ 78.480037] [<ffffffff810e5d5c>] lock_release+0xac/0x310
[ 78.480037] [<ffffffff817bf2b3>] __mutex_unlock_slowpath+0x83/0x180
[ 78.480037] [<ffffffff817bf3be>] mutex_unlock+0xe/0x10
[ 78.480037] [<ffffffff81376c91>] p_stop+0x51/0x90
[ 78.480037] [<ffffffff81211408>] seq_read+0x288/0x3d0
[ 78.480037] [<ffffffff811e9d9e>] vfs_read+0x9e/0x170
[ 78.480037] [<ffffffff811ea8cc>] SyS_read+0x4c/0xa0
[ 78.480037] [<ffffffff817ccc9d>] system_call_fastpath+0x1a/0x1f
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
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BugLink: http://bugs.launchpad.net/bugs/1235523
This fixes the following kmemleak trace:
unreferenced object 0xffff8801e8c35680 (size 32):
comm "apparmor_parser", pid 691, jiffies 4294895667 (age 13230.876s)
hex dump (first 32 bytes):
e0 d3 4e b5 ac 6d f4 ed 3f cb ee 48 1c fd 40 cf ..N..m..?..H..@.
5b cc e9 93 00 00 00 00 00 00 00 00 00 00 00 00 [...............
backtrace:
[<ffffffff817a97ee>] kmemleak_alloc+0x4e/0xb0
[<ffffffff811ca9f3>] __kmalloc+0x103/0x290
[<ffffffff8138acbc>] aa_calc_profile_hash+0x6c/0x150
[<ffffffff8138074d>] aa_unpack+0x39d/0xd50
[<ffffffff8137eced>] aa_replace_profiles+0x3d/0xd80
[<ffffffff81376937>] profile_replace+0x37/0x50
[<ffffffff811e9f2d>] vfs_write+0xbd/0x1e0
[<ffffffff811ea96c>] SyS_write+0x4c/0xa0
[<ffffffff817ccb1d>] system_call_fastpath+0x1a/0x1f
[<ffffffffffffffff>] 0xffffffffffffffff
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
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Pull device tree fixes and reverts from Grant Likely:
"One bug fix and three reverts. The reverts back out the slightly
controversial feeding the entire device tree into the random pool and
the reserved-memory binding which isn't fully baked yet. Expect the
reserved-memory patches at least to resurface for v3.13.
The bug fixes removes a scary but harmless warning on SPARC that was
introduced in the v3.12 merge window. v3.13 will contain a proper fix
that makes the new code work on SPARC.
On the plus side, the diffstat looks *awesome*. I love removing lines
of code"
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux:
Revert "drivers: of: add initialization code for dma reserved memory"
Revert "ARM: init: add support for reserved memory defined by device tree"
Revert "of: Feed entire flattened device tree into the random pool"
of: fix unnecessary warning on missing /cpus node
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git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull DMA-mapping fix from Marek Szyprowski:
"A bugfix for the IOMMU-based implementation of dma-mapping subsystem
for ARM architecture"
* 'fixes-for-v3.12' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
ARM: dma-mapping: Always pass proper prot flags to iommu_map()
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If the system is suspended while max_perf_pct is less than 100 percent
or no_turbo set policy->{min,max} will be set incorrectly with scaled
values which turn the scaled values into hard limits.
References: https://bugzilla.kernel.org/show_bug.cgi?id=61241
Reported-by: Patrick Bartels <petzicus@googlemail.com>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Cc: 3.9+ <stable@vger.kernel.org> # 3.9+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull kvm fix from Gleb Natapov.
* git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: Enable pvspinlock after jump_label_init() to avoid VM hang
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull Xen fixes from Stefano Stabellini:
"A small fix for Xen on x86_32 and a build fix for xen-tpmfront on
arm64"
* tag 'stable/for-linus-3.12-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: Fix possible user space selector corruption
tpm: xen-tpmfront: fix missing declaration of xen_domain
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Commit 1696d9d (ACPI: Remove the old /proc/acpi/event interface)
left /proc/acpi/event in the ACPI_BUTTON help in Kconfig, so
remove it from there.
[rjw: Changelog]
Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In acpi_resume_power_resources() resource_lock should be released
when acpi_power_get_state() fails and before passing to next power
resource on the list.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Usually the active scan mask is freed in __iio_update_buffers() when the buffer
is disabled. But when the device is still sampling when it is removed we'll end
up disabling the buffers in iio_disable_all_buffers(). So we also need to free
the active scan mask here, otherwise it will be leaked.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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d_tmpfile() already swallowed the inode ref.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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We use jump label to enable pv-spinlock. With the changes in (442e0973e927
Merge branch 'x86/jumplabel'), the jump label behaviour has changed
that would result in eventual hang of the VM since we would end up in a
situation where slow path locks would halt the vcpus but we will not be
able to wakeup the vcpu by lock releaser using unlock kick.
Similar problem in Xen and more detailed description is available in
a945928ea270 (xen: Do not enable spinlocks before jump_label_init()
has executed)
This patch splits kvm_spinlock_init to separate jump label changes with
pvops patching and also make jump label enabling after jump_label_init().
Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
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The pcm_usb_stream plugin requires the mremap explicitly for the read
buffer, as it expands itself once after reading the required size.
But the commit [314e51b9: mm: kill vma flag VM_RESERVED and
mm->reserved_vm counter] converted blindly to a combination of
VM_DONTEXPAND | VM_DONTDUMP like other normal drivers, and this
resulted in the failure of mremap().
For fixing this regression, we need to remove VM_DONTEXPAND for the
read-buffer mmap.
Reported-and-tested-by: James Miller <jamesstewartmiller@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This reverts commit 9d8eab7af79cb4ce2de5de39f82c455b1f796963. There is
still no consensus on the bindings for the reserved memory and various
drawbacks of the proposed solution has been shown, so the best now is to
revert it completely and start again from scratch later.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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This reverts commit 10bcdfb8ba24760f715f0a700c3812747eddddf5. There is
no consensus on the bindings for the reserved memory, so the code for
handing it will be reverted.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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The UV3 hub revision ID is different than expected. The first
revision was supposed to start at 1 but instead will start at 0.
Signed-off-by: Russ Anderson <rja@sgi.com>
Cc: <stable@kernel.org> # v3.9, v3.10, v3.11
Link: http://lkml.kernel.org/r/20131014161733.GA6274@sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Pull vfio fix from Alex Williamson:
"Fix an incorrect break out of nested loop in iommu mapping code"
* tag 'vfio-v3.12-rc5' of git://github.com/awilliam/linux-vfio:
VFIO: vfio_iommu_type1: fix bug caused by break in nested loop
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband updates from Roland Dreier:
"Last batch of IB changes for 3.12: many mlx5 hardware driver fixes
plus one trivial semicolon cleanup"
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB: Remove unnecessary semicolons
IB/mlx5: Ensure proper synchronization accessing memory
IB/mlx5: Fix alignment of reg umr gather buffers
IB/mlx5: Fix eq names to display nicely in /proc/interrupts
mlx5: Fix error code translation from firmware to driver
IB/mlx5: Fix opt param mask according to firmware spec
mlx5: Fix opt param mask for sq err to rts transition
IB/mlx5: Disable atomic operations
mlx5: Fix layout of struct mlx5_init_seg
mlx5: Keep polling to reclaim pages while any returned
IB/mlx5: Avoid async events on invalid port number
IB/mlx5: Decrease memory consumption of mr caches
mlx5: Remove checksum on command interface commands
IB/mlx5: Fix memory leak in mlx5_ib_create_srq
IB/mlx5: Flush cache workqueue before destroying it
IB/mlx5: Fix send work queue size calculation
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This reverts commit 9b0a1de3c85d99d881c86a29b3d52da7b9c7bd61.
Aaro writes:
With v3.12-rc4 I can no longer connect to N800 (OMAP2) with USB
(peripheral, g_ether).
According to git bisect this is caused by:
9b0a1de3c85d99d881c86a29b3d52da7b9c7bd61 is the first bad commit
So revert this patch, as Felipe says:
It's unfortunate that tusb6010 is so messed up
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The device is not responsive when resumed, unless it is reset.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Functions that walk the ntstatus_to_dos_map[] array could
run off the end. For example, ntstatus_to_dos() loops
while ntstatus_to_dos_map[].ntstatus is not 0. Granted,
this is mostly theoretical, but could be used as a DOS attack
if the error code in the SMB header is bogus.
[Might consider adding to stable, as this patch is low risk - Steve]
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Steve French <smfrench@gmail.com>
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These aren't necessary after switch blocks.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Pull ARM fixes from Russell King:
"Some more ARM fixes, nothing particularly major here. The biggest
change is to fix the SMP_ON_UP code so that it works with TI's Aegis
cores"
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7851/1: check for number of arguments in syscall_get/set_arguments()
ARM: 7846/1: Update SMP_ON_UP code to detect A9MPCore with 1 CPU devices
ARM: 7845/1: sharpsl_param.c: fix invalid memory access for pxa devices
ARM: 7843/1: drop asm/types.h from generic-y
ARM: 7842/1: MCPM: don't explode if invoked without being initialized first
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git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
Pull SLAB fix from Pekka Enberg:
"A regression fix for overly eager slab cache name checks"
* 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
slab_common: Do not check for duplicate slab names
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"These fix two recent bugs in ACPIPHP (ACPI-based PCI hotplug) and
update a bunch of web links and e-mail addresses in MAINTAINERS, docs
and Kconfig that either are stale or will expire soon.
Specifics:
- The WARN_ON() in acpiphp_enumerate_slots() triggers as a false
positive in some cases, so drop it.
- Add a missing pci_dev_put() to an error code path in
acpiphp_enumerate_slots().
- Replace my old e-mail address that's going to expire with a new
one.
- Update ACPI web links and git tree information in MAINTAINERS.
- Update links to the Linux-ACPI project's page in MAINTAINERS.
- Update some stale links and e-mail addresses under Documentation
and in the ACPI Kconfig file"
* tag 'pm+acpi-3.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / hotplug / PCI: Drop WARN_ON() from acpiphp_enumerate_slots()
ACPI / hotplug / PCI: Fix error code path in acpiphp_enumerate_slots()
ACPI / PM / Documentation: Replace outdated project links and addresses
MAINTAINERS / ACPI: Update links to the Linux-ACPI project web page
MAINTAINERS / ACPI: Update links and git tree information
MAINTAINERS / Documentation: Update Rafael's e-mail address
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This reverts commit 109b6236294b53d8eaa50be7d9e9ad37079f5f7e.
Tim Bird expressed concern that this will have a bad effect on boot
time, and while simple tests have shown it to be okay with simple tree,
a device tree blob can potentially be quite large and
add_device_randomness() is not a fast function. Rather than do this for
all platforms unconditionally, I'm reverting this patch and would like
to see it revisited. Instead of feeding the entire tree into the random
pool, it would probably be appropriate to hash the tree and feed the
hash result into the pool. There really isn't a lot of randomness in a
device tree anyway. In the majority of cases only a handful of
properties are going to be different between machines with the same
baseboard.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Not all DT platforms have all the cpus collected under a /cpus node.
That just happens to be a details of FDT, ePAPR and PowerPC platforms.
Sparc does something different, but unfortunately the current code
complains with a warning if /cpus isn't there. This became a problem
with commit f86e4718, "driver/core cpu: initialize of_node in cpu's
device structure", which caused the function to get called for all
architectures.
This commit is a temporary fix to fail silently if the cpus node isn't
present. A proper fix will come later to allow arch code to provide a
custom mechanism for decoding the CPU hwid if the 'reg' property isn't
appropriate.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Cc: David Miller <davem@davemloft.net>
Cc: Sudeep KarkadaNagesha <Sudeep.KarkadaNagesha@arm.com>
Cc: Rob Herring <rob.herring@calxeda.com>
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The create_bind_cap_vol_ctl does not create any control indicating
that an inverted dmic is present. Therefore, create multiple
capture volumes in this scenario, so we always have some indication
that the internal mic is inverted.
This happens on the Lenovo Ideapad U310 as well as the Lenovo Yoga 13
(both are based on the CX20590 codec), but the fix is generic and
could be needed for other codecs/machines too.
Thanks to Szymon Acedański for the pointer and a draft patch.
BugLink: https://bugs.launchpad.net/bugs/1239392
BugLink: https://bugs.launchpad.net/bugs/1227491
Reported-by: Szymon Acedański <accek@mimuw.edu.pl>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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I have a randconfig here which has enabled only
CONFIG_MICROCODE=y
CONFIG_MICROCODE_OLD_INTERFACE=y
with both
# CONFIG_MICROCODE_INTEL is not set
# CONFIG_MICROCODE_AMD is not set
off. Which makes building the microcode functionality a little
pointless. Don't do that in such cases then.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1381682189-14470-1-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Pull watchdog fixes from Wim Van Sebroeck:
"This will fix a deadlock on the ts72xx_wdt driver, fix bitmasks in the
kempld_wdt driver and fix a section mismatch in the sunxi_wdt driver"
* git://www.linux-watchdog.org/linux-watchdog:
watchdog: sunxi: Fix section mismatch
watchdog: kempld_wdt: Fix bit mask definition
watchdog: ts72xx_wdt: locking bug in ioctl
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This driver has a section mismatch, for probe and remove functions,
leading to the following warning during the compilation.
WARNING: drivers/watchdog/built-in.o(.data+0x24): Section mismatch in
reference from the variable sunxi_wdt_driver to the function
.init.text:sunxi_wdt_probe()
The variable sunxi_wdt_driver references
the function __init sunxi_wdt_probe()
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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STAGE_CFG bits are defined as [5:4] bits. However, '(((x) & 0x30) << 4)'
handles [9:8] bits. Thus, it should be fixed in order to handle
[5:4] bits.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Calling the WDIOC_GETSTATUS & WDIOC_GETBOOTSTATUS and twice will cause a
interruptible deadlock.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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In ftrace_syscall_enter(),
syscall_get_arguments(..., 0, n, ...)
if (i == 0) { <handle ORIG_r0> ...; n--;}
memcpy(..., n * sizeof(args[0]));
If 'number of arguments(n)' is zero and 'argument index(i)' is also zero in
syscall_get_arguments(), none of arguments should be copied by memcpy().
Otherwise 'n--' can be a big positive number and unexpected amount of data
will be copied. Tracing system calls which take no argument, say sync(void),
may hit this case and eventually make the system corrupted.
This patch fixes the issue both in syscall_get_arguments() and
syscall_set_arguments().
Cc: <stable@vger.kernel.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A small batch of fixes this week, mostly OMAP related. Nothing stands
out as particularly controversial.
Also a fix for a 3.12-rc1 timer regression for Exynos platforms,
including the Chromebooks"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: exynos: dts: Update 5250 arch timer node with clock frequency
ARM: OMAP2: RX-51: Add missing max_current to rx51_lp5523_led_config
ARM: mach-omap2: board-generic: fix undefined symbol
ARM: dts: Fix pinctrl mask for omap3
ARM: OMAP3: Fix hardware detection for omap3630 when booted with device tree
ARM: OMAP2: gpmc-onenand: fix sync mode setup with DT
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Without the "clock-frequency" property in arch timer node, could able
to see the below crash dump.
[<c0014e28>] (unwind_backtrace+0x0/0xf4) from [<c0011808>] (show_stack+0x10/0x14)
[<c0011808>] (show_stack+0x10/0x14) from [<c036ac1c>] (dump_stack+0x7c/0xb0)
[<c036ac1c>] (dump_stack+0x7c/0xb0) from [<c01ab760>] (Ldiv0_64+0x8/0x18)
[<c01ab760>] (Ldiv0_64+0x8/0x18) from [<c0062f60>] (clockevents_config.part.2+0x1c/0x74)
[<c0062f60>] (clockevents_config.part.2+0x1c/0x74) from [<c0062fd8>] (clockevents_config_and_register+0x20/0x2c)
[<c0062fd8>] (clockevents_config_and_register+0x20/0x2c) from [<c02b8e8c>] (arch_timer_setup+0xa8/0x134)
[<c02b8e8c>] (arch_timer_setup+0xa8/0x134) from [<c04b47b4>] (arch_timer_init+0x1f4/0x24c)
[<c04b47b4>] (arch_timer_init+0x1f4/0x24c) from [<c04b40d8>] (clocksource_of_init+0x34/0x58)
[<c04b40d8>] (clocksource_of_init+0x34/0x58) from [<c049ed8c>] (time_init+0x20/0x2c)
[<c049ed8c>] (time_init+0x20/0x2c) from [<c049b95c>] (start_kernel+0x1e0/0x39c)
THis is because the Exynos u-boot, for example on the Chromebooks, doesn't set
up the CNTFRQ register as expected by arch_timer. Instead, we have to specify
the frequency in the device tree like this.
Signed-off-by: Yuvaraj Kumar C D <yuvaraj.cd@samsung.com>
[olof: Changed subject, added comment, elaborated on commit message]
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren:
Few fixes for omap3 related hangs and errors that people have
noticed now that people are actually using the device tree
based booting for omap3.
Also one regression fix for timer compile for dra7xx when
omap5 is not selected, and a LED regression fix for n900.
* tag 'fixes-against-v3.12-rc3-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2: RX-51: Add missing max_current to rx51_lp5523_led_config
ARM: mach-omap2: board-generic: fix undefined symbol
ARM: dts: Fix pinctrl mask for omap3
ARM: OMAP3: Fix hardware detection for omap3630 when booted with device tree
ARM: OMAP2: gpmc-onenand: fix sync mode setup with DT
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
"This patchset includes a bugfix to prevent a kernel crash when memory
in page zero is accessed by the kernel itself, e.g. via
probe_kernel_read().
Furthermore we now export flush_cache_page() which is needed
(indirectly) by the lustre filesystem. The other patches remove
unused functions and optimizes the page fault handler to only evaluate
variables if needed, which again protects against possible kernel
crashes"
* 'parisc-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: let probe_kernel_read() capture access to page zero
parisc: optimize variable initialization in do_page_fault
parisc: fix interruption handler to respect pagefault_disable()
parisc: mark parisc_terminate() noreturn and cold.
parisc: remove unused syscall_ipi() function.
parisc: kill SMP single function call interrupt
parisc: Export flush_cache_page() (needed by lustre)
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Pull slave-dmaengine fixes from Vinod Koul:
"Another week, time to send another fixes request taking time out of
extended weekend for the festivities in this part of the world.
We have two fixes from Sergei for rcar driver and one fixing memory
leak of edma driver by Geyslan"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dma: edma.c: remove edma_desc leakage
rcar-hpbdma: add parameter to set_slave() method
rcar-hpbdma: remove shdma_free_irq() calls
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Signed-off-by: Helge Deller <deller@gmx.de>
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