Commit Graph

575602 Commits

Author SHA1 Message Date
Oliver Neukum
8f7292ed88 Input: kbtab - stop saving struct usb_device
The device can now easily be derived from the interface.
Stop leaving a private copy.

Signed-off-by: Oliver Neukum <ONeukum@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-31 13:13:42 -07:00
Oliver Neukum
ed752e5dde Input: gtco - stop saving struct usb_device
The device can now easily be derived from the interface.
Stop leaving a private copy.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-31 13:13:41 -07:00
Oliver Neukum
c630901860 Input: aiptek - stop saving struct usb_device
The device can now easily be derived from the interface.
Stop leaving a private copy.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-31 13:13:40 -07:00
Oliver Neukum
7edf2c9c08 Input: acecad - stop saving struct usb_device
The device can now easily be derived from the interface.
Stop leaving a private copy.

Signed-off-by: Oliver Neukum <ONeukum@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-31 13:13:39 -07:00
Oliver Neukum
d314e9e80c Input: sur40 - fix DMA on stack
During the initialisation the driver uses a buffer on the stack for DMA.
That violates the cache coherency rules. The fix is to allocate the buffer
with kmalloc().

Signed-off-by: Oliver Neukum <ONeukum@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-23 17:29:30 -07:00
Vladis Dronov
950336ba3e Input: ati_remote2 - fix crashes on detecting device with invalid descriptor
The ati_remote2 driver expects at least two interfaces with one
endpoint each. If given malicious descriptor that specify one
interface or no endpoints, it will crash in the probe function.
Ensure there is at least two interfaces and one endpoint for each
interface before using it.

The full disclosure: http://seclists.org/bugtraq/2016/Mar/90

Reported-by: Ralf Spenneberg <ralf@spenneberg.net>
Signed-off-by: Vladis Dronov <vdronov@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-23 17:29:29 -07:00
Benjamin Tissoires
82be788c96 Input: synaptics - handle spurious release of trackstick buttons, again
Looks like the fimware 8.2 still has the extra buttons spurious release
bug.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=114321
Cc: stable@vger.kernel.org
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-17 17:15:57 -07:00
Andrew Duggan
a1376d3de4 Input: synaptics-rmi4 - remove check of Non-NULL array
Originally the irq_mask member of rmi_function was a pointer. Then it was
switched to being a zero length array. However, the checks for a NULL
pointer where not removed.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-17 17:15:56 -07:00
Richard Pospesel
2d5f5611dd Input: byd - enable absolute mode
The Windows driver's settings dialog contains a visualization of the
regions for the hardware edge scrolling capability, which uses a
temporarily-enabled limited-resolution absolute mode.

This patch enables this during normal operation, and combines the
absolute packets with the existing relative packets to provide
accurate absolute position and touch reporting.

It also adds documentation for all known gesture packets and
initialization commands.

Reviewed-by: Chris Diamand <chris@diamand.org>
Signed-off-by: Richard Pospesel <pospeselr@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-17 17:04:54 -07:00
Oliver Neukum
a0ad220c96 Input: ims-pcu - sanity check against missing interfaces
A malicious device missing interface can make the driver oops.
Add sanity checking.

Signed-off-by: Oliver Neukum <ONeukum@suse.com>
CC: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-17 14:16:57 -07:00
Sangwon Jee
9aa40426a4 Input: melfas_mip4 - add hw_version sysfs attribute
Add hw_version sysfs attribute for retrieving hardware information
from firmware.

Signed-off-by: Sangwon Jee <jeesw@melfas.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-16 16:25:41 -07:00
Arnd Bergmann
4d2508a559 ARM: pxa/raumfeld: use PROPERTY_ENTRY_INTEGER to define props
gcc-6.0 notices that the use of the property_entry in this file that
was recently introduced cannot work right, as we initialize the wrong
field:

raumfeld.c:387:3: error: the address of 'raumfeld_rotary_encoder_steps' will always evaluate as 'true' [-Werror=address]
   DEV_PROP_U32, 1, &raumfeld_rotary_encoder_steps, },
   ^~~~~~~~~~~~
raumfeld.c:389:3: error: the address of 'raumfeld_rotary_encoder_axis' will always evaluate as 'true' [-Werror=address]
   DEV_PROP_U32, 1, &raumfeld_rotary_encoder_axis, },
   ^~~~~~~~~~~~
raumfeld.c:391:3: error: the address of 'raumfeld_rotary_encoder_relative_axis' will always evaluate as 'true' [-Werror=address]
   DEV_PROP_U32, 1, &raumfeld_rotary_encoder_relative_axis, },
   ^~~~~~~~~~~~

The problem appears to stem from relying on an old definition of
'struct property', but it has changed several times since the code
could have last been correct.

This changes the code to use the PROPERTY_ENTRY_INTEGER() macro instead,
which works fine for the current definition and is a safer way of doing
the initialization.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: a9e340dce3 ("Input: rotary_encoder - move away from platform data structure")
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-15 16:56:46 -07:00
Dmitry Torokhov
245f0db0de Linux 4.5
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Merge tag 'v4.5' into next

Merge with Linux 4.5 to get PROPERTY_ENTRY_INTEGER() that is needed to
fix pxa/raumfeld rotary encoder properties.
2016-03-15 16:54:45 -07:00
Dan Carpenter
24672bdfb3 Input: synaptics-rmi4 - using logical instead of bitwise AND
There is a typo so we have && instead of &.

Fixes: ff8f83708b ('Input: synaptics-rmi4 - add support for 2D sensors and F11')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-15 16:54:22 -07:00
Josh Boyer
9c6ba45671 Input: powermate - fix oops with malicious USB descriptors
The powermate driver expects at least one valid USB endpoint in its
probe function.  If given malicious descriptors that specify 0 for
the number of endpoints, it will crash.  Validate the number of
endpoints on the interface before using them.

The full report for this issue can be found here:
http://seclists.org/bugtraq/2016/Mar/85

Reported-by: Ralf Spenneberg <ralf@spenneberg.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-14 09:36:49 -07:00
Linus Torvalds
b562e44f50 Linux 4.5 2016-03-13 21:28:54 -07:00
Linus Torvalds
a265554988 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
 "Another round of MIPS fixes for 4.5:

   - Fix JZ4780 build with DEBUG_ZBOOT and MACH_JZ4780
   - Fix build with DEBUG_ZBOOT and MACH_JZ4780
   - Fix issue with uninitialised temp_foreign_map
   - Fix awk regex compile failure with certain versions of awk.  At
     this time, the sole user, ld-ifversion, is only used on MIPS"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: smp.c: Fix uninitialised temp_foreign_map
  MIPS: Fix build error when SMP is used without GIC
  ld-version: Fix awk regex compile failure
  MIPS: Fix build with DEBUG_ZBOOT and MACH_JZ4780
2016-03-13 13:04:46 -07:00
James Hogan
d825c06bfe MIPS: smp.c: Fix uninitialised temp_foreign_map
When calculate_cpu_foreign_map() recalculates the cpu_foreign_map
cpumask it uses the local variable temp_foreign_map without initialising
it to zero. Since the calculation only ever sets bits in this cpumask
any existing bits at that memory location will remain set and find their
way into cpu_foreign_map too. This could potentially lead to cache
operations suboptimally doing smp calls to multiple VPEs in the same
core, even though the VPEs share primary caches.

Therefore initialise temp_foreign_map using cpumask_clear() before use.

Fixes: cccf34e941 ("MIPS: c-r4k: Fix cache flushing for MT cores")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12759/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-03-13 10:59:19 +01:00
Hauke Mehrtens
7a50e4688d MIPS: Fix build error when SMP is used without GIC
The MIPS_GIC_IPI should only be selected when MIPS_GIC is also
selected, otherwise it results in a compile error. smp-gic.c uses some
functions from include/linux/irqchip/mips-gic.h like
plat_ipi_call_int_xlate() which are only added to the header file when
MIPS_GIC is set. The Lantiq SoC does not use the GIC, but supports SMP.
The calls top the functions from smp-gic.c are already protected by
some #ifdefs

The first part of this was introduced in commit 72e20142b2 ("MIPS:
Move GIC IPI functions out of smp-cmp.c")

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: stable@vger.kernel.org # v3.15+
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12774/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-03-13 10:56:48 +01:00
James Hogan
4b7b1ef2c2 ld-version: Fix awk regex compile failure
The ld-version.sh script fails on some versions of awk with the
following error, resulting in build failures for MIPS:

awk: scripts/ld-version.sh: line 4: regular expression compile failed (missing '(')

This is due to the regular expression ".*)", meant to strip off the
beginning of the ld version string up to the close bracket, however
brackets have a meaning in regular expressions, so lets escape it so
that awk doesn't expect a corresponding open bracket.

Fixes: ccbef1674a ("Kbuild, lto: add ld-version and ld-ifversion ...")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Tested-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Cc: Michal Marek <mmarek@suse.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kbuild@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org # 4.4.x-
Patchwork: https://patchwork.linux-mips.org/patch/12838/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-03-13 10:54:42 +01:00
Aaro Koskinen
ba9e72c229 MIPS: Fix build with DEBUG_ZBOOT and MACH_JZ4780
Ingenic SoC declares ZBOOT support, but debug definitions are missing
for MACH_JZ4780 resulting in a build failure when DEBUG_ZBOOT is set.
The UART addresses are same as with JZ4740, so fix by covering JZ4780
with those as well.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12830/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-03-13 10:50:46 +01:00
Linus Torvalds
f414ca64be Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block merge fix from Jens Axboe.

This fixes the block segment counting bug and resulting sg overrun
reported by Kent Overstreet, introduced with the last block pull.

* 'for-linus' of git://git.kernel.dk/linux-block:
  block: don't optimize for non-cloned bio in bio_get_last_bvec()
2016-03-12 20:18:54 -08:00
Linus Torvalds
2f51c8204a Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "This fixes 3 FPU handling related bugs, an EFI boot crash and a
  runtime warning.

  The EFI fix arrived late but I didn't want to delay it to after v4.5
  because the effects are pretty bad for the systems that are affected
  by it"

[ Actually, I don't think the EFI fix really matters yet, because we
  haven't switched to the separate EFI page tables in mainline yet ]

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/efi: Fix boot crash by always mapping boot service regions into new EFI page tables
  x86/fpu: Fix eager-FPU handling on legacy FPU machines
  x86/delay: Avoid preemptible context checks in delay_mwaitx()
  x86/fpu: Revert ("x86/fpu: Disable AVX when eagerfpu is off")
  x86/fpu: Fix 'no387' regression
2016-03-12 20:09:25 -08:00
Linus Torvalds
fda604a4da Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target bug fix from Nicholas Bellinger:
 "Here is an outstanding target-core bug-fix for v4.5 code."

  This patch addresses a recent Task Management (TMR) regression related
  to larger set of multi-port LUN_RESET bug-fixes in v4.5-rc5.

  It drops a left-over target_put_sess_cmd() of se_cmd->cmd_kref within
  ABORT_TASK failure path, once a se_cmd descriptor has already
  completed posting response to fabric driver logic, and must be skipped
  during normal ABORT_TASK se_cmd->tag lookup"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  target: Drop incorrect ABORT_TASK put for completed commands
2016-03-12 17:14:07 -08:00
Ming Lei
90d0f0f115 block: don't optimize for non-cloned bio in bio_get_last_bvec()
For !BIO_CLONED bio, we can use .bi_vcnt safely, but it
doesn't mean we can just simply return .bi_io_vec[.bi_vcnt - 1]
because the start postion may have been moved in the middle of
the bvec, such as splitting in the middle of bvec.

Fixes: 7bcd79ac50d9(block: bio: introduce helpers to get the 1st and last bvec)
Cc: stable@vger.kernel.org
Reported-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-03-12 14:12:10 -07:00
Matt Fleming
452308de61 x86/efi: Fix boot crash by always mapping boot service regions into new EFI page tables
Some machines have EFI regions in page zero (physical address
0x00000000) and historically that region has been added to the e820
map via trim_bios_range(), and ultimately mapped into the kernel page
tables. It was not mapped via efi_map_regions() as one would expect.

Alexis reports that with the new separate EFI page tables some boot
services regions, such as page zero, are not mapped. This triggers an
oops during the SetVirtualAddressMap() runtime call.

For the EFI boot services quirk on x86 we need to memblock_reserve()
boot services regions until after SetVirtualAddressMap(). Doing that
while respecting the ownership of regions that may have already been
reserved by the kernel was the motivation behind this commit:

  7d68dc3f10 ("x86, efi: Do not reserve boot services regions within reserved areas")

That patch was merged at a time when the EFI runtime virtual mappings
were inserted into the kernel page tables as described above, and the
trick of setting ->numpages (and hence the region size) to zero to
track regions that should not be freed in efi_free_boot_services()
meant that we never mapped those regions in efi_map_regions(). Instead
we were relying solely on the existing kernel mappings.

Now that we have separate page tables we need to make sure the EFI
boot services regions are mapped correctly, even if someone else has
already called memblock_reserve(). Instead of stashing a tag in
->numpages, set the EFI_MEMORY_RUNTIME bit of ->attribute. Since it
generally makes no sense to mark a boot services region as required at
runtime, it's pretty much guaranteed the firmware will not have
already set this bit.

For the record, the specific circumstances under which Alexis
triggered this bug was that an EFI runtime driver on his machine was
responding to the EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event during
SetVirtualAddressMap().

The event handler for this driver looks like this,

  sub rsp,0x28
  lea rdx,[rip+0x2445] # 0xaa948720
  mov ecx,0x4
  call func_aa9447c0  ; call to ConvertPointer(4, & 0xaa948720)
  mov r11,QWORD PTR [rip+0x2434] # 0xaa948720
  xor eax,eax
  mov BYTE PTR [r11+0x1],0x1
  add rsp,0x28
  ret

Which is pretty typical code for an EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE
handler. The "mov r11, QWORD PTR [rip+0x2424]" was the faulting
instruction because ConvertPointer() was being called to convert the
address 0x0000000000000000, which when converted is left unchanged and
remains 0x0000000000000000.

The output of the oops trace gave the impression of a standard NULL
pointer dereference bug, but because we're accessing physical
addresses during ConvertPointer(), it wasn't. EFI boot services code
is stored at that address on Alexis' machine.

Reported-by: Alexis Murzeau <amurzeau@gmail.com>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Raphael Hertzog <hertzog@debian.org>
Cc: Roger Shimizu <rogershimizu@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1457695163-29632-2-git-send-email-matt@codeblueprint.co.uk
Link: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815125
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-03-12 16:57:45 +01:00
Borislav Petkov
6e6867093d x86/fpu: Fix eager-FPU handling on legacy FPU machines
i486 derived cores like Intel Quark support only the very old,
legacy x87 FPU (FSAVE/FRSTOR, CPUID bit FXSR is not set), and
our FPU code wasn't handling the saving and restoring there
properly in the 'eagerfpu' case.

So after we made eagerfpu the default for all CPU types:

  58122bf1d8 x86/fpu: Default eagerfpu=on on all CPUs

these old FPU designs broke. First, Andy Shevchenko reported a splat:

  WARNING: CPU: 0 PID: 823 at arch/x86/include/asm/fpu/internal.h:163 fpu__clear+0x8c/0x160

which was us trying to execute FXRSTOR on those machines even though
they don't support it.

After taking care of that, Bryan O'Donoghue reported that a simple FPU
test still failed because we weren't initializing the FPU state properly
on those machines.

Take care of all that.

Reported-and-tested-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Reported-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yu-cheng <yu-cheng.yu@intel.com>
Link: http://lkml.kernel.org/r/20160311113206.GD4312@pd.tnic
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-03-12 16:13:55 +01:00
Vladimir Zapolskiy
9979c1c707 Input: snvs_pwrkey - fix returned value check of syscon_regmap_lookup_by_phandle()
On error syscon_regmap_lookup_by_phandle() returns ERR_PTR() value,
which makes a check for NULL invalid and may lead to oops on error
path.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-11 17:53:17 -08:00
Linus Torvalds
03c668a931 Late MTD fix for v4.5:
* A simple error code handling fix for the NAND ECC test; this was a
    regression in v4.5-rc1
 
  * A MAINTAINERS update, which might as well go in ASAP
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Merge tag 'for-linus-20160311' of git://git.infradead.org/linux-mtd

Pull MTD fixes from Brian Norris:
 "Late MTD fix for v4.5:

   - A simple error code handling fix for the NAND ECC test; this was a
     regression in v4.5-rc1

   - A MAINTAINERS update, which might as well go in ASAP"

* tag 'for-linus-20160311' of git://git.infradead.org/linux-mtd:
  MAINTAINERS: add a maintainer for the NAND subsystem
  mtd: nand: tests: fix regression introduced in mtd_nandectest
2016-03-11 16:34:18 -08:00
Linus Torvalds
3ab0a0f91c Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm/i915 fixes from Dave Airlie:
 "Just two i915 regression fixes, that should be it from me"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/i915: Actually retry with bit-banging after GMBUS timeout
  drm/i915: Fix bogus dig_port_map[] assignment for pre-HSW
2016-03-11 16:19:23 -08:00
Matthew Dawson
7640131032 mm/mempool: avoid KASAN marking mempool poison checks as use-after-free
When removing an element from the mempool, mark it as unpoisoned in KASAN
before verifying its contents for SLUB/SLAB debugging.  Otherwise KASAN
will flag the reads checking the element use-after-free writes as
use-after-free reads.

Signed-off-by: Matthew Dawson <matthew@mjdsystems.ca>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-03-11 16:17:47 -08:00
Linus Torvalds
2a4fb270da ARM: SoC fixes
Two more fixes for 4.5:
 
  - One is a fix for OMAP that is urgently needed to avoid DRA7xx chips from
    premature aging, by always keeping the Ethernet clock enabled.
 
  - The other solves a I/O memory layout issue on Armada, where SROM and PCI
    memory windows were conflicting in some configurations.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Two more fixes for 4.5:

   - One is a fix for OMAP that is urgently needed to avoid DRA7xx chips
     from premature aging, by always keeping the Ethernet clock enabled.

   - The other solves a I/O memory layout issue on Armada, where SROM
     and PCI memory windows were conflicting in some configurations"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: mvebu: fix overlap of Crypto SRAM with PCIe memory window
  ARM: dts: dra7: do not gate cpsw clock due to errata i877
  ARM: OMAP2+: hwmod: Introduce ti,no-idle dt property
2016-03-11 12:35:54 -08:00
Linus Torvalds
95f41fb203 media fixes for v4.5-rc8
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Merge tag 'media/v4.5-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fix from Mauro Carvalho Chehab:
 "One last time fix: It adds a code that prevents some media tools like
  media-ctl to hide some entities that have their IDs out of the range
  expected by those apps"

* tag 'media/v4.5-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] media-device: map new functions into old types for legacy API
2016-03-11 12:32:02 -08:00
Thomas Petazzoni
d7d5a43c0d ARM: mvebu: fix overlap of Crypto SRAM with PCIe memory window
When the Crypto SRAM mappings were added to the Device Tree files
describing the Armada XP boards in commit c466d997bb ("ARM: mvebu:
define crypto SRAM ranges for all armada-xp boards"), the fact that
those mappings were overlaping with the PCIe memory aperture was
overlooked. Due to this, we currently have for all Armada XP platforms
a situation that looks like this:

Memory mapping on Armada XP boards with internal registers at
0xf1000000:

 - 0x00000000 -> 0xf0000000	3.75G 	RAM
 - 0xf0000000 -> 0xf1000000	16M	NOR flashes (AXP GP / AXP DB)
 - 0xf1000000 -> 0xf1100000	1M	internal registers
 - 0xf8000000 -> 0xffe0000	126M	PCIe memory aperture
 - 0xf8100000 -> 0xf8110000	64KB	Crypto SRAM #0	=> OVERLAPS WITH PCIE !
 - 0xf8110000 -> 0xf8120000	64KB	Crypto SRAM #1	=> OVERLAPS WITH PCIE !
 - 0xffe00000 -> 0xfff00000	1M	PCIe I/O aperture
 - 0xfff0000  -> 0xffffffff	1M	BootROM

The overlap means that when PCIe devices are added, depending on their
memory window needs, they might or might not be mapped into the
physical address space. Indeed, they will not be mapped if the area
allocated in the PCIe memory aperture by the PCI core overlaps with
one of the Crypto SRAM. Typically, a Intel IGB PCIe NIC that needs 8MB
of PCIe memory will see its PCIe memory window allocated from
0xf80000000 for 8MB, which overlaps with the Crypto SRAM windows. Due
to this, the PCIe window is not created, and any attempt to access the
PCIe window makes the kernel explode:

[    3.302213] igb: Copyright (c) 2007-2014 Intel Corporation.
[    3.307841] pci 0000:00:09.0: enabling device (0140 -> 0143)
[    3.313539] mvebu_mbus: cannot add window '4:f8', conflicts with another window
[    3.320870] mvebu-pcie soc:pcie-controller: Could not create MBus window at [mem 0xf8000000-0xf87fffff]: -22
[    3.330811] Unhandled fault: external abort on non-linefetch (0x1008) at 0xf08c0018

This problem does not occur on Armada 370 boards, because we use the
following memory mapping (for boards that have internal registers at
0xf1000000):

 - 0x00000000 -> 0xf0000000	3.75G 	RAM
 - 0xf0000000 -> 0xf1000000	16M	NOR flashes (AXP GP / AXP DB)
 - 0xf1000000 -> 0xf1100000	1M	internal registers
 - 0xf1100000 -> 0xf1110000	64KB	Crypto SRAM #0 => OK !
 - 0xf8000000 -> 0xffe0000	126M	PCIe memory
 - 0xffe00000 -> 0xfff00000	1M	PCIe I/O
 - 0xfff0000  -> 0xffffffff	1M	BootROM

Obviously, the solution is to align the location of the Crypto SRAM
mappings of Armada XP to be similar with the ones on Armada 370, i.e
have them between the "internal registers" area and the beginning of
the PCIe aperture.

However, we have a special case with the OpenBlocks AX3-4 platform,
which has a 128 MB NOR flash. Currently, this NOR flash is mapped from
0xf0000000 to 0xf8000000. This is possible because on OpenBlocks
AX3-4, the internal registers are not at 0xf1000000. And this explains
why the Crypto SRAM mappings were not configured at the same place on
Armada XP.

Hence, the solution is two-fold:

 (1) Move the NOR flash mapping on Armada XP OpenBlocks AX3-4 from
     0xe8000000 to 0xf0000000. This frees the 0xf0000000 ->
     0xf80000000 space.

 (2) Move the Crypto SRAM mappings on Armada XP to be similar to
     Armada 370 (except of course that Armada XP has two Crypto SRAM
     and not one).

After this patch, the memory mapping on Armada XP boards with
registers at 0xf1 is:

 - 0x00000000 -> 0xf0000000	3.75G 	RAM
 - 0xf0000000 -> 0xf1000000	16M	NOR flashes (AXP GP / AXP DB)
 - 0xf1000000 -> 0xf1100000	1M	internal registers
 - 0xf1100000 -> 0xf1110000	64KB	Crypto SRAM #0
 - 0xf1110000 -> 0xf1120000	64KB	Crypto SRAM #1
 - 0xf8000000 -> 0xffe0000	126M	PCIe memory
 - 0xffe00000 -> 0xfff00000	1M	PCIe I/O
 - 0xfff0000  -> 0xffffffff	1M	BootROM

And the memory mapping for the special case of the OpenBlocks AX3-4
(internal registers at 0xd0000000, NOR of 128 MB):

 - 0x00000000 -> 0xc0000000	3G 	RAM
 - 0xd0000000 -> 0xd1000000	1M	internal registers
 - 0xe800000  -> 0xf0000000	128M	NOR flash
 - 0xf1100000 -> 0xf1110000	64KB	Crypto SRAM #0
 - 0xf1110000 -> 0xf1120000	64KB	Crypto SRAM #1
 - 0xf8000000 -> 0xffe0000	126M	PCIe memory
 - 0xffe00000 -> 0xfff00000	1M	PCIe I/O
 - 0xfff0000  -> 0xffffffff	1M	BootROM

Fixes: c466d997bb ("ARM: mvebu: define crypto SRAM ranges for all armada-xp boards")
Reported-by: Phil Sutter <phil@nwl.cc>
Cc: Phil Sutter <phil@nwl.cc>
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2016-03-11 11:49:55 -08:00
Linus Torvalds
20698c922f dmaengine fixes for 4.5
Few more late fixes on drivers nothing major here.
  - A memory leak fix in fsdma unmap the dma descriptors on
    freeup.
  - A fix in xdmac driver for residue calculation of dma
    descriptor.
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Merge tag 'dmaengine-fix-4.5' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine fixes from Vinod Koul:
 "Two fixes showed up in last few days, and they should be included in
  4.5.  Summary:

  Two more late fixes to drivers, nothing major here:

   - A memory leak fix in fsdma unmap the dma descriptors on freeup

   - A fix in xdmac driver for residue calculation of dma descriptor"

* tag 'dmaengine-fix-4.5' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: at_xdmac: fix residue computation
  dmaengine: fsldma: fix memory leak
2016-03-11 10:57:18 -08:00
Linus Torvalds
7ae9c768e1 Power management and ACPI fixes for final v4.5
- Revert a recent ACPICA commit that has been reverted
    upstream, because it caused problems to happen on user
    systems and the problem it attempted to address will not be
    relevant any more after upcoming ACPI specification changes
    (Bob Moore).
 
  - Fix crash in the generic device properties framework introduced
    by a recent change that forgot to check pointers against error
    values in addition to checking them against NULL (Heikki Krogerus).
 
 /
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Merge tag 'pm+acpi-4.5-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI fixes from Rafael Wysocki:
 "Two more fixes for issues introduced recently, one in the generic
  device properties framework and one in ACPICA.

  Specifics:

   - Revert a recent ACPICA commit that has been reverted upstream,
     because it caused problems to happen on user systems and the
     problem it attempted to address will not be relevant any more after
     upcoming ACPI specification changes (Bob Moore).

   - Fix crash in the generic device properties framework introduced by
     a recent change that forgot to check pointers against error values
     in addition to checking them against NULL (Heikki Krogerus)"

* tag 'pm+acpi-4.5-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  device property: fwnode->secondary may contain ERR_PTR(-ENODEV)
  ACPICA: Revert "Parser: Fix for SuperName method invocation"
2016-03-11 10:45:03 -08:00
Linus Torvalds
2a62ec0af2 xfs: fixes for 4.5-rc7
Changes:
 
 o Only perform torn log write detection on dirty logs. This prevents
   failures being detected due to a clean filesystem being moved
   between machines or kernels of different architectures (e.g. 32
   -> 64 bit, BE -> LE, etc). This fixes a regression introduced by
   the torn log write detection in 4.5-rc1.
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Merge tag 'xfs-for-linus-4.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs

Pull xfs fixes from Dave Chinner:
 "This is a fix for a regression introduced in 4.5-rc1 by the new torn
  log write detection code.  The regression only affects people moving a
  clean filesystem between machines/kernels of different architecture
  (such as changing between 32 bit and 64 bit kernels), but this is the
  recommended (and only!) safe way to migrate a filesystem between
  architectures so we really need to ensure it works.

  The changes are larger than I'd prefer right at the end of the release
  cycle, but the majority of the change is just factoring code to enable
  the detection of a clean log at the correct time to avoid this issue.

  Changes:

   - Only perform torn log write detection on dirty logs.  This prevents
     failures being detected due to a clean filesystem being moved
     between machines or kernels of different architectures (e.g.  32 ->
     64 bit, BE -> LE, etc).  This fixes a regression introduced by the
     torn log write detection in 4.5-rc1"

* tag 'xfs-for-linus-4.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs:
  xfs: only run torn log write detection on dirty logs
  xfs: refactor in-core log state update to helper
  xfs: refactor unmount record detection into helper
  xfs: separate log head record discovery from verification
2016-03-11 10:21:32 -08:00
Linus Torvalds
63cf207e93 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro:
 "A couple of fixes: Fix for my dumb braino in ncpfs and a long-standing
  breakage on recovery from failed rename() in jffs2"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  jffs2: reduce the breakage on recovery from halfway failed rename()
  ncpfs: fix a braino in OOM handling in ncp_fill_cache()
2016-03-11 10:13:49 -08:00
Dmitry Torokhov
62d5bdf972 Merge branch 'synaptics-rmi4' into next
Bring in support for devices using Synaptics RMI4 protocol, including
RMI4 bus, 2D sensor and button handlers, and SPI and I2C interface
drivers.
2016-03-11 09:51:25 -08:00
Rafael J. Wysocki
5b3e7e0536 Merge branches 'device-properties-fixes' and 'acpica-fixes'
* device-properties-fixes:
  device property: fwnode->secondary may contain ERR_PTR(-ENODEV)

* acpica-fixes:
  ACPICA: Revert "Parser: Fix for SuperName method invocation"
2016-03-11 14:22:54 +01:00
Ville Syrjälä
0bbca274a3 drm/i915: Actually retry with bit-banging after GMBUS timeout
After the GMBUS transfer times out, we set force_bit=1 and
return -EAGAIN expecting the i2c core to call the .master_xfer
hook again so that we will retry the same transfer via bit-banging.
This is in case the gmbus hardware is somehow faulty.

Unfortunately we left adapter->retries to 0, meaning the i2c core
didn't actually do the retry. Let's tell the core we want one retry
when we return -EAGAIN.

Note that i2c-algo-bit also uses this retry count for some internal
retries, so we'll end up increasing those a bit as well.

Cc: Jani Nikula <jani.nikula@intel.com>
Cc: drm-intel-fixes@lists.freedesktop.org
Fixes: bffce907d6 ("drm/i915: abstract i2c bit banging fallback in gmbus xfer")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457366220-29409-2-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 8b1f165a4a)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2016-03-11 10:23:28 +02:00
Andreas Färber
e52d83986c MAINTAINERS: add devicetree bindings to Input Drivers section
To avoid changes to input bindings not reaching linux-input reviewers
add an appropriate file pattern to the MAINTAINERS entry.

Reported-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-10 17:22:11 -08:00
Andrew Duggan
48147b9768 Input: synaptics-rmi4 - add device tree support to the SPI transport driver
Add devicetree binding for SPI devices.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-10 16:04:25 -08:00
Andrew Duggan
8d99758dee Input: synaptics-rmi4 - add SPI transport driver
Add the transport driver for devices using RMI4 over SPI.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-10 16:04:24 -08:00
Andrew Duggan
562b42d3ee Input: synaptics-rmi4 - add support for F30
RMI4 F30 supports input from clickpad buttons and controls LEDs located
on the touchpad PCB. This patch adds support of the clickpad buttons and
defers supporting LEDs for the future.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-10 16:04:23 -08:00
Andrew Duggan
b43d2c1e93 Input: synaptics-rmi4 - add support for F12
Function 12 implements 2D touch position sensor for newer Synaptics touch
devices. It replaces F11 and no device will contain both functions.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Christopher Heiny <cheiny@synaptics.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-10 16:04:06 -08:00
Andrew Duggan
aaa27982b3 Input: synaptics-rmi4 - add device tree support for 2d sensors and F11
2D sensors have several parameter which can be set in the platform data.
This patch adds support for getting those values from devicetree.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-10 16:04:05 -08:00
Andrew Duggan
ff8f83708b Input: synaptics-rmi4 - add support for 2D sensors and F11
RMI4 currently defines two functions for reporting data for 2D sensors
(F11 and F12). This patch adds the common functionality which is shared
by devices with 2D reporting along with implementing functionality for
F11.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Christopher Heiny <cheiny@synaptics.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-10 16:04:03 -08:00
Andrew Duggan
d8a8b3edfd Input: synaptics-rmi4 - add device tree support for RMI4 I2C devices
Add devicetree binding for I2C devices and add bindings for optional
parameters in the function drivers. Parameters for function drivers are
defined in child nodes for each of the functions.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-10 16:02:41 -08:00
Andrew Duggan
fdf51604f1 Input: synaptics-rmi4 - add I2C transport driver
Add the transport driver for devices using RMI4 over I2C.

Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Christopher Heiny <cheiny@synaptics.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2016-03-10 16:02:40 -08:00