Commit Graph

363113 Commits

Author SHA1 Message Date
Wei Yongjun
441362d06b GFS2: return error if malloc failed in gfs2_rs_alloc()
The error code in gfs2_rs_alloc() is set to ENOMEM when error
but never be used, instead, gfs2_rs_alloc() always return 0.
Fix to return 'error'.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2013-04-04 09:53:10 +01:00
Akinobu Mita
4146c3d469 GFS2: use memchr_inv
Use memchr_inv to verify that the specified memory range is cleared.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: cluster-devel@redhat.com
Cc: Christine Caulfield <ccaulfie@redhat.com>
Cc: David Teigland <teigland@redhat.com>
2013-04-04 09:52:50 +01:00
David Teigland
57c7310b8e GFS2: use kmalloc for lvb bitmap
The temp lvb bitmap was on the stack, which could
be an alignment problem for __set_bit_le.  Use
kmalloc for it instead.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2013-04-04 09:52:14 +01:00
Benjamin Tissoires
f1a9a149ab HID: magicmouse: fix race between input_register() and probe()
Since kernel 3.7, it appears that the input registration occured before
the end of magicmouse_setup_input(). This is shown by receiving a lot of
"EV_SYN SYN_REPORT 1" instead of normal "EV_SYN SYN_REPORT 0".
This value means that the output buffer is full, and the user space
is loosing events.

Using .input_configured guarantees that the race is not occuring, and that
the call of "input_set_events_per_packet(input, 60)" is taken into account
by input_register().

Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=908604

Cc: stable@vger.kernel.org
Reported-and-Tested-By: Clarke Wixon <cwixon@usa.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-04-04 09:49:56 +02:00
Rainer Koenig
1d87caa69c ALSA: hda - Enabling Realtek ALC 671 codec
* Added the device ID to the modalias list and assinged ALC662 patches
for it
* Added 4 port support for the device ID 0671 in alc662_parse_auto_config

Signed-off-by: Rainer Koenig <Rainer.Koenig@ts.fujitsu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-04-04 08:53:51 +02:00
Linus Torvalds
66ade47423 Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM fixes from Russell King:
 "Another round of ARM fixes, which include:
   - Fixing a problem with LPAE mapping sections
   - Reporting of some hwcaps on Krait CPUs
   - Avoiding repetitive warnings in the breakpoint code
   - Fixing a build error noticed on Dove platforms with PJ4 CPUs
   - Fix masking of level 2 cache revision.
   - Fixing timer-based udelay()
   - A larger fix for an erratum causing people major grief with Cortex
     A15 CPUs"

* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: 7690/1: mm: fix CONFIG_LPAE typos
  ARM: 7689/1: add unwind annotations to ftrace asm
  ARM: 7685/1: delay: use private ticks_per_jiffy field for timer-based delay ops
  ARM: 7684/1: errata: Workaround for Cortex-A15 erratum 798181 (TLBI/DSB operations)
  ARM: 7682/1: cache-l2x0: fix masking of RTL revision numbering and set_debug init
  ARM: iWMMXt: always enable iWMMXt support with PJ4 CPUs
  ARM: 7681/1: hw_breakpoint: use warn_once to avoid spam from reset_ctrl_regs()
  ARM: 7678/1: Work around faulty ISAR0 register in some Krait CPUs
  ARM: 7680/1: Detect support for SDIV/UDIV from ISAR0 register
  ARM: 7679/1: Clear IDIVT hwcap if CONFIG_ARM_THUMB=n
  ARM: 7677/1: LPAE: Fix mapping in alloc_init_section for unaligned addresses
  ARM: KVM: vgic: take distributor lock on sync_hwstate path
  ARM: KVM: vgic: force EOIed LRs to the empty state
2013-04-03 16:15:17 -07:00
Linus Torvalds
cbfa0e7204 Unfortunately, we introduced some big-endian bugs during the last
merge window.  Fortunately, Cai and Christian noticed before 3.9
 shipped.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 fixes from Ted Ts'o:
 "Unfortunately, we introduced some big-endian bugs during the last
  merge window.  Fortunately, Cai and Christian noticed before 3.9
  shipped."

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: fix big-endian bugs which could cause fs corruptions
2013-04-03 11:21:13 -07:00
John W. Linville
407ad2b7ef Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2013-04-03 13:50:34 -04:00
Linus Torvalds
cd0e4a9dd4 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull reiserfs fix from Jan Kara:
 "A fix for reiserfs xattr bug exposed by changes to lookup_one_len()"

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  reiserfs: Fix warning and inode leak when deleting inode with xattrs
2013-04-03 10:49:27 -07:00
Linus Torvalds
17eb3d8fbe Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
 "Just a bunch of bugfixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/mm: provide emtpy check_pgt_cache() function
  s390/uaccess: fix page table walk
  s390/3270: fix minor_start issue
  s390/uaccess: fix clear_user_pt()
  s390/scm_blk: fix error return code in scm_blk_init()
  s390/scm_block: fix printk format string
  drivers/Kconfig: add several missing GENERIC_HARDIRQS dependencies
2013-04-03 10:48:22 -07:00
Zheng Liu
8cde7ad17e ext4: fix big-endian bugs which could cause fs corruptions
When an extent was zeroed out, we forgot to do convert from cpu to le16.
It could make us hit a BUG_ON when we try to write dirty pages out.  So
fix it.

[ Also fix a bug found by Dmitry Monakhov where we were missing
  le32_to_cpu() calls in the new indirect punch hole code.

  There are a number of other big endian warnings found by static code
  analyzers, but we'll wait for the next merge window to fix them all
  up.  These fixes are designed to be Obviously Correct by code
  inspection, and easy to demonstrate that it won't make any
  difference (and hence, won't introduce any bugs) on little endian
  architectures such as x86.  --tytso ]

Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reported-by: CAI Qian <caiqian@redhat.com>
Reported-by: Christian Kujau <lists@nerdbynature.de>
Cc: Dmitry Monakhov <dmonakhov@openvz.org>
2013-04-03 12:37:17 -04:00
Paul Bolle
4e1db26a0b ARM: 7690/1: mm: fix CONFIG_LPAE typos
CONFIG_LPAE doesn't exist: the correct option is CONFIG_ARM_LPAE, so fix
up the two typos under arch/arm/.

The fix to head.S is slightly scary, but this is just for setting up
an early io-mapping for the serial port when running on a big-endian,
LPAE system. Since these systems don't exist in the wild (at least, I
have no access to one outside of kvmtool, which doesn't provide a serial
port suitable for earlyprintk), then we can revisit the code later if it
causes any problems.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-04-03 16:45:51 +01:00
Rabin Vincent
b21e023ba4 ARM: 7689/1: add unwind annotations to ftrace asm
Add unwind annotations to the ftrace assembly code so that the function
tracer's stacktracing options (func_stack_trace, etc.) work when
CONFIG_ARM_UNWIND is enabled.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-04-03 16:45:50 +01:00
Will Deacon
6f3d90e556 ARM: 7685/1: delay: use private ticks_per_jiffy field for timer-based delay ops
Commit 70264367a2 ("ARM: 7653/2: do not scale loops_per_jiffy when
using a constant delay clock") fixed a problem with our timer-based
delay loop, where loops_per_jiffy is scaled by cpufreq yet used directly
by the timer delay ops.

This patch fixes the problem in a more elegant way by keeping a private
ticks_per_jiffy field in the delay ops, independent of loops_per_jiffy
and therefore not subject to scaling. The loop-based delay continues to
use loops_per_jiffy directly, as it should.

Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-04-03 16:45:50 +01:00
Catalin Marinas
93dc68876b ARM: 7684/1: errata: Workaround for Cortex-A15 erratum 798181 (TLBI/DSB operations)
On Cortex-A15 (r0p0..r3p2) the TLBI/DSB are not adequately shooting down
all use of the old entries. This patch implements the erratum workaround
which consists of:

1. Dummy TLBIMVAIS and DSB on the CPU doing the TLBI operation.
2. Send IPI to the CPUs that are running the same mm (and ASID) as the
   one being invalidated (or all the online CPUs for global pages).
3. CPU receiving the IPI executes a DMB and CLREX (part of the exception
   return code already).

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-04-03 16:45:49 +01:00
Rob Herring
6e7aceeb7c ARM: 7682/1: cache-l2x0: fix masking of RTL revision numbering and set_debug init
Commit b8db6b8 (ARM: 7547/4: cache-l2x0: add support for Aurora L2 cache
ctrl) moved the masking of the part ID which caused the RTL version to be
lost. Commit 6248d06 (ARM: 7545/1: cache-l2x0: make outer_cache_fns a
field of l2x0_of_data) changed how .set_debug is initialized. Both commits
break commit 74ddcdb (ARM: 7608/1: l2x0: Only set .set_debug
on PL310 r3p0 and earlier) which uses the RTL version to conditionally set
.set_debug function pointer. Commit b8db6b8 also caused the printed cache
ID to be missing the version information.

Fix this by reverting how the part number is masked so the RTL version
info is maintained. The cache-id-part DT property does not set the RTL
bits so masking them should have no effect. Also, re-arrange the order
of the function pointer init so the .set_debug function can be overridden.

Reported-by: Paolo Pisati <paolo.pisati@canonical.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Yehuda Yitschak <yehuday@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-04-03 16:45:48 +01:00
Russell King
698613b638 ARM: iWMMXt: always enable iWMMXt support with PJ4 CPUs
Jason Cooper reports these build errors:
arch/arm/kernel/built-in.o: In function `iwmmxt_do':
/.../arch/arm/kernel/pj4-cp0.c:36: undefined reference to `iwmmxt_task_release'
/.../arch/arm/kernel/pj4-cp0.c:40: undefined reference to `iwmmxt_task_switch'
make: *** [vmlinux] Error 1

This is caused because the PJ4 code explicitly references the iWMMXt
code, but doesn't require it to be built.  Fix this by ensuring that
iWMMXt is always enabled with PJ4.

Reported-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-04-03 16:40:33 +01:00
Torstein Hegge
690a863ff0 ALSA: usb: Work around CM6631 sample rate change bug
The C-Media CM6631 USB receiver doesn't respond to changes in sample rate
while the interface is active. The same behavior is observed in other UAC2
hardware like the VIA VT1731.

Reset the interface after setting the sampling frequency on sample rate
changes, to ensure that the sample rate set by snd_usb_init_sample_rate() is
used. Otherwise, the device will try to use the sample rate of the previous
stream, causing distorted sound on sample rate changes.

The reset is performed for all UAC2 devices, as it should not affect a
standards compliant device, but it is only necessary for C-Media CM6631,
VIA VT1731 and possibly others.

Failure to read sample rate from the device is not handled as an error in
set_sample_rate_v2(), as (permanent or intermittent) failure to read sample
rate isn't essential for a successful sample rate set.

Signed-off-by: Torstein Hegge <hegge@resisty.net>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-04-03 17:05:44 +02:00
Tony Luck
e66cd5372d ACPI / BGRT: Don't let users configure BGRT on non X86 systems
Fengguang Wu's 0-Day kernel build testing backend found the
following build error for an allmodconfig build on ia64:

   drivers/built-in.o: In function `show_yoffset':
>> bgrt.c:(.text+0xe5a71): undefined reference to `bgrt_tab'
>> bgrt.c:(.text+0xe5a91): undefined reference to `bgrt_tab'
   drivers/built-in.o: In function `show_xoffset':
>> bgrt.c:(.text+0xe5b51): undefined reference to `bgrt_tab'
>> bgrt.c:(.text+0xe5b71): undefined reference to `bgrt_tab'
   drivers/built-in.o: In function `show_type':
>> bgrt.c:(.text+0xe5c31): undefined reference to `bgrt_tab'
   drivers/built-in.o:bgrt.c:(.text+0xe5c51): more undefined references to `bgrt_tab' follow
   drivers/built-in.o: In function `bgrt_init':
   bgrt.c:(.init.text+0x8931): undefined reference to `bgrt_image'
   bgrt.c:(.init.text+0x8932): undefined reference to `bgrt_image_size'
   bgrt.c:(.init.text+0x8950): undefined reference to `bgrt_image'
   bgrt.c:(.init.text+0x8960): undefined reference to `bgrt_image_size'

The problem is that all these undefined names are provided by
arch/x86/platform/efi/efi-bgrt.c - which is obviously not available
to the ia64 build.

It doesn't seem useful to provide the BGRT support for Itanium
(many systems are headless and have no graphics at all). So
just don't let users configure this driver on non-X86 machines.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-04-03 13:17:20 +02:00
Matthias Schiffer
906b1c394d netfilter: ip6t_NPT: Fix translation for non-multiple of 32 prefix lengths
The bitmask used for the prefix mangling was being calculated
incorrectly, leading to the wrong part of the address being replaced
when the prefix length wasn't a multiple of 32.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-04-03 12:24:56 +02:00
David S. Miller
d662483264 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull net into net-next to get the synchronize_net() bug fix in
bonding.

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-03 01:31:54 -04:00
Linus Torvalds
da241efcd9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix VSOCK layer handling of context ID changes, from Reilly Grant.

 2) Now that we have a synchronize_net() in netdev_rx_handler_unregister(),
    we can't let any call sites hold locks.  Unfortunately bonding does,
    so we have to drop the rwlock there a little bit earlier, fix from
    Veaceslav Falico.

 3) MAC address setting loop exits one iteration too early in mlx4
    driver, from Yan Burman.

 4) Restore ipv6 routes properly upon ifdown/ifup of loopback, from
    Balakumaran Kannan.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  VSOCK: Handle changes to the VMCI context ID.
  net IPv6 : Fix broken IPv6 routing table after loopback down-up
  cbq: incorrect processing of high limits
  net/mlx4_en: Fix setting initial MAC address
  bonding: get netdev_rx_handler_unregister out of locks
2013-04-02 18:58:01 -07:00
Linus Torvalds
6e8517a90b regmap: Fixes for v3.9
A small collection of fixes.  The most important ones are those from
 Stephen and Lars-Peter both of which fix cache issues that have been
 lurking for a while but not manifesting noticably enough for anyone to
 report them.
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Merge tag 'regmap-v3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap fixes from Mark Brown:
 "A small collection of fixes.  The most important ones are those from
  Stephen and Lars-Peter both of which fix cache issues that have been
  lurking for a while but not manifesting noticably enough for anyone to
  report them."

* tag 'regmap-v3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: async: Add missing return
  regmap: don't corrupt work buffer in _regmap_raw_write()
  regmap: cache Fix regcache-rbtree sync
  regmap: Initialize `map->debugfs' before regcache
2013-04-02 18:53:43 -07:00
Linus Torvalds
bd709bd027 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull DRM fixes from Dave Airlie:
 "Two core fixes, both regressions, along with some intel and some
  nouveau fixes for regressions and oopses"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: correctly restore mappings if drm_open fails
  drm/nouveau: fix NULL ptr dereference from nv50_disp_intr()
  drm/nouveau: fix handling empty channel list in ioctl's
  drm: don't unlock in the addfb error paths
  drm/i915: Fix build failure
  drm/i915: Be sure to turn hsync/vsync back on at crt enable (v2)
  drm/i915: duct-tape locking when eDP init fails
2013-04-02 18:52:24 -07:00
Linus Torvalds
aea7fab8ba Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
 "A collection of fixes pretty much across the MIPS code.  Even the
  change to include/linux/signal.h by David Howells' 2a1486981c ("Fix
  breakage in MIPS siginfo handling") should be considered MIPS-specific
  as it touches an ifdefed segment that is only relevant to MIPS and
  which unfortunately can't be made to go away entirely."

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  Fix breakage in MIPS siginfo handling
  Revert "MIPS: BCM63XX: Call board_register_device from device_initcall()"
  MIPS: BCM63XX: Make nvram checksum failure non fatal
  MIPS: Fix code generation for non-DSP capable CPUs
  MIPS: Fix inconsistent formatting inside /proc/cpuinfo
  MIPS: SEAD3: Enable LL/SC.
  MIPS: Get rid of CONFIG_CPU_HAS_LLSC again
  MIPS: Add dependencies for HAVE_ARCH_TRANSPARENT_HUGEPAGE
  MIPS: VR4133: Fix probe for LL/SC.
  MIPS: Fix logic errors in bitops.c
  MIPS: Use CONFIG_CPU_MIPSR2 in csum_partial.S
  MIPS: compat: Return same error ENOSYS as native for invalid operation.
2013-04-02 18:47:23 -07:00
Jacob Keller
8facd5fb73 net: fix smatch warnings inside datagram_poll
Commit 7d4c04fc17 ("net: add option to enable
error queue packets waking select") has an issue due to operator precedence
causing the bit-wise OR to bind to the sock_flags call instead of the result of
the terniary conditional. This fixes the *_poll functions to work properly. The
old code results in "mask |= POLLPRI" instead of what was intended, which is to
only include POLLPRI when the socket option is enabled.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 16:59:16 -04:00
Ilija Hadzic
a8ec3a6629 drm: correctly restore mappings if drm_open fails
If first drm_open fails, the error-handling path will
incorrectly restore inode's mapping to NULL. This can
cause the crash later on. Fix by separately storing
away mapping pointers that drm_open can touch and
restore each from its own respective variable if the
call fails.

Fixes: https://bugzilla.novell.com/show_bug.cgi?id=807850
(thanks to Michal Hocko for investigating investigating and
finding the root cause of the bug)

Reference:
http://lists.freedesktop.org/archives/dri-devel/2013-March/036564.html

v2: Use one variable to store file and inode mapping
    since they are the same at the function entry.
    Fix spelling mistakes in commit message.

v3: Add reference to the original bug report.

Reported-by: Marco Munderloh <munderl@tnt.uni-hannover.de>
Tested-by: Marco Munderloh <munderl@tnt.uni-hannover.de>
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-04-03 06:44:38 +10:00
Dave Airlie
7cebefe6cc Merge branch 'drm-nouveau-fixes-3.9' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next
Oops fixers.
* 'drm-nouveau-fixes-3.9' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau: fix NULL ptr dereference from nv50_disp_intr()
  drm/nouveau: fix handling empty channel list in ioctl's
2013-04-03 06:44:02 +10:00
Guenter Roeck
be0e2f1f7d net/nxp/lpc_eth: Drop ifdef CONFIG_OF_NET
Since of_get_mac_address() is now declared even if CONFIG_OF_NET
is not configured, the ifdef is no longer necessary and can be
removed.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 16:43:56 -04:00
Guenter Roeck
6c5f7808ef net/freescale/fec: Simplify OF dependencies
Since of_get_mac_address() is now defined even if CONFIG_OF_NET
is not configured, the ifdef around the code calling it is no longer
necessary and can be removed.

Similar, since of_get_phy_mode() is now defined as dummy function
if OF_NET is not configured, it is no longer necessary to provide
an OF dependent function as front-end. Also, the function depends
on OF_NET, not on OF, so the conditional code was not correct anyway.
Drop the front-end function and call of_get_phy_mode() directly.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 16:43:56 -04:00
Guenter Roeck
509070437d net/cadence/macb: Simplify OF dependencies
With of_get_mac_address() and of_get_phy_mode() now defined as dummy
functions if OF_NET is not configured, it is no longer necessary to
provide OF dependent functions as front-end. Also, the two functions
depend on OF_NET, not on OF, so the conditional code was not correct
anyway.

Drop the front-end functions and call of_get_mac_address() and
of_get_phy_mode() directly instead.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 16:43:10 -04:00
Guenter Roeck
f9b124901c net/cadence/at91_ether: Simplify OF dependencies
With of_get_mac_address() and of_get_phy_mode() now defined as dummy
functions if OF_NET is not configured, it is no longer necessary to
provide OF dependent functions as front-end. Also, the two functions
depend on OF_NET, not on OF, so the conditional code was not correct
anyway.

Drop the front-end functions and call of_get_mac_address() and
of_get_phy_mode() directly instead.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 16:43:09 -04:00
Guenter Roeck
65b3841b9c of_net.h: Provide empty functions if OF_NET is not configured
of_get_mac_address() and of_get_phy_mode() are only provided if OF_NET
is configured. While most callers check for the define, not all do, and those
who do require #ifdef around the code. For those who don't, the missing check
can result in errors such as

arch/powerpc/sysdev/tsi108_dev.c:107:3: error: implicit declaration of
	function 'of_get_mac_address' [-Werror=implicit-function-declaration]
arch/powerpc/sysdev/mv64x60_dev.c:253:2: error: implicit declaration of
	function 'of_get_mac_address' [-Werror=implicit-function-declaration]

Provide empty functions if OF_NET is not configured.
This is safe because all callers do check the return values.

Cc: David Daney <david.daney@cavium.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 16:43:09 -04:00
Dave Airlie
1caa590075 Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-next
One locking regression fix, and a couple of other i915 ones.

* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
  drm: don't unlock in the addfb error paths
  drm/i915: Fix build failure
  drm/i915: Be sure to turn hsync/vsync back on at crt enable (v2)
  drm/i915: duct-tape locking when eDP init fails
2013-04-03 06:41:15 +10:00
Reilly Grant
990454b5a4 VSOCK: Handle changes to the VMCI context ID.
The VMCI context ID of a virtual machine may change at any time. There
is a VMCI event which signals this but datagrams may be processed before
this is handled. It is therefore necessary to be flexible about the
destination context ID of any datagrams received. (It can be assumed to
be correct because it is provided by the hypervisor.) The context ID on
existing sockets should be updated to reflect how the hypervisor is
currently referring to the system.

Signed-off-by: Reilly Grant <grantr@vmware.com>
Acked-by: Andy King <acking@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 14:39:17 -04:00
Balakumaran Kannan
25fb6ca4ed net IPv6 : Fix broken IPv6 routing table after loopback down-up
IPv6 Routing table becomes broken once we do ifdown, ifup of the loopback(lo)
interface. After down-up, routes of other interface's IPv6 addresses through
'lo' are lost.

IPv6 addresses assigned to all interfaces are routed through 'lo' for internal
communication. Once 'lo' is down, those routing entries are removed from routing
table. But those removed entries are not being re-created properly when 'lo' is
brought up. So IPv6 addresses of other interfaces becomes unreachable from the
same machine. Also this breaks communication with other machines because of
NDISC packet processing failure.

This patch fixes this issue by reading all interface's IPv6 addresses and adding
them to IPv6 routing table while bringing up 'lo'.

==Testing==
Before applying the patch:
$ route -A inet6
Kernel IPv6 routing table
Destination                    Next Hop                   Flag Met Ref Use If
2000::20/128                   ::                         U    256 0     0 eth0
fe80::/64                      ::                         U    256 0     0 eth0
::/0                           ::                         !n   -1  1     1 lo
::1/128                        ::                         Un   0   1     0 lo
2000::20/128                   ::                         Un   0   1     0 lo
fe80::xxxx:xxxx:xxxx:xxxx/128  ::                         Un   0   1     0 lo
ff00::/8                       ::                         U    256 0     0 eth0
::/0                           ::                         !n   -1  1     1 lo
$ sudo ifdown lo
$ sudo ifup lo
$ route -A inet6
Kernel IPv6 routing table
Destination                    Next Hop                   Flag Met Ref Use If
2000::20/128                   ::                         U    256 0     0 eth0
fe80::/64                      ::                         U    256 0     0 eth0
::/0                           ::                         !n   -1  1     1 lo
::1/128                        ::                         Un   0   1     0 lo
ff00::/8                       ::                         U    256 0     0 eth0
::/0                           ::                         !n   -1  1     1 lo
$

After applying the patch:
$ route -A inet6
Kernel IPv6 routing
table
Destination                    Next Hop                   Flag Met Ref Use If
2000::20/128                   ::                         U    256 0     0 eth0
fe80::/64                      ::                         U    256 0     0 eth0
::/0                           ::                         !n   -1  1     1 lo
::1/128                        ::                         Un   0   1     0 lo
2000::20/128                   ::                         Un   0   1     0 lo
fe80::xxxx:xxxx:xxxx:xxxx/128  ::                         Un   0   1     0 lo
ff00::/8                       ::                         U    256 0     0 eth0
::/0                           ::                         !n   -1  1     1 lo
$ sudo ifdown lo
$ sudo ifup lo
$ route -A inet6
Kernel IPv6 routing table
Destination                    Next Hop                   Flag Met Ref Use If
2000::20/128                   ::                         U    256 0     0 eth0
fe80::/64                      ::                         U    256 0     0 eth0
::/0                           ::                         !n   -1  1     1 lo
::1/128                        ::                         Un   0   1     0 lo
2000::20/128                   ::                         Un   0   1     0 lo
fe80::xxxx:xxxx:xxxx:xxxx/128  ::                         Un   0   1     0 lo
ff00::/8                       ::                         U    256 0     0 eth0
::/0                           ::                         !n   -1  1     1 lo
$

Signed-off-by: Balakumaran Kannan <Balakumaran.Kannan@ap.sony.com>
Signed-off-by: Maruthi Thotad <Maruthi.Thotad@ap.sony.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 14:37:19 -04:00
Paul Gortmaker
5e404cd658 ipconfig: add informative timeout messages while waiting for carrier
Commit 3fb72f1e6e ("ipconfig wait
for carrier") added a "wait for carrier on at least one interface"
policy, with a worst case maximum wait of two minutes.

However, if you encounter this, you won't get any feedback from
the console as to the nature of what is going on.  You just see
the booting process hang for two minutes and then continue.

Here we add a message so the user knows what is going on, and
hence can take action to rectify the situation (e.g. fix network
cable or whatever.)  After the 1st 10s pause, output now begins
that looks like this:

	Waiting up to 110 more seconds for network.
	Waiting up to 100 more seconds for network.
	Waiting up to 90 more seconds for network.
	Waiting up to 80 more seconds for network.
	...

Since most systems will have no problem getting link/carrier in the
1st 10s, the only people who will see these messages are people with
genuine issues that need to be resolved.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 14:35:33 -04:00
Neil Horman
f7f2287426 forcedeth: Do a dma_mapping_error check after skb_frag_dma_map
This backtrace was recently reported on a 3.9 kernel:

Actual results: from syslog /var/log/messsages:
kernel: [17539.340285] ------------[ cut here ]------------
kernel: [17539.341012] WARNING: at lib/dma-debug.c:937 check_unmap+0x493/0x960()
kernel: [17539.341012] Hardware name: MS-7125
kernel: [17539.341012] forcedeth 0000:00:0a.0: DMA-API: device driver failed to
check map error[device address=0x0000000013c88000] [size=544 bytes] [mapped as
page]
kernel: [17539.341012] Modules linked in: fuse ebtable_nat ipt_MASQUERADE
nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_nat nf_nat_ipv6
ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat
nf_nat_ipv4 nf_nat iptable_mangle nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack
nf_conntrack bnep bluetooth rfkill ebtable_filter ebtables ip6table_filter
ip6_tables snd_hda_codec_hdmi snd_cmipci snd_mpu401_uart snd_hda_intel
snd_intel8x0 snd_opl3_lib snd_ac97_codec gameport snd_hda_codec snd_rawmidi
ac97_bus snd_hwdep snd_seq snd_seq_device snd_pcm snd_page_alloc snd_timer snd
k8temp soundcore serio_raw i2c_nforce2 forcedeth ata_generic pata_acpi nouveau
video mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm drm i2c_core sata_sil pata_amd
sata_nv uinput
kernel: [17539.341012] Pid: 17340, comm: sshd Not tainted
3.9.0-0.rc4.git0.1.fc19.i686.PAE #1
kernel: [17539.341012] Call Trace:
kernel: [17539.341012]  [<c045573c>] warn_slowpath_common+0x6c/0xa0
kernel: [17539.341012]  [<c0701953>] ? check_unmap+0x493/0x960
kernel: [17539.341012]  [<c0701953>] ? check_unmap+0x493/0x960
kernel: [17539.341012]  [<c04557a3>] warn_slowpath_fmt+0x33/0x40
kernel: [17539.341012]  [<c0701953>] check_unmap+0x493/0x960
kernel: [17539.341012]  [<c049238f>] ? sched_clock_cpu+0xdf/0x150
kernel: [17539.341012]  [<c0701e87>] debug_dma_unmap_page+0x67/0x70
kernel: [17539.341012]  [<f7eae8f2>] nv_unmap_txskb.isra.32+0x92/0x100

Its pretty plainly the result of an skb fragment getting unmapped without having
its initial mapping operation checked for errors.  This patch corrects that.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 14:32:24 -04:00
Chen Gang
287ecefb4b ISDN:divert: beautify code: useless 'break', 'return (0)', additional comments.
delete useless 'break' after 'return'.
  let 'return 0' instead of 'return (0)'
  also give a comment for 'break' to let readers notice it.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 14:31:24 -04:00
Vasily Averin
f0f6ee1f70 cbq: incorrect processing of high limits
currently cbq works incorrectly for limits > 10% real link bandwidth,
and practically does not work for limits > 50% real link bandwidth.
Below are results of experiments taken on 1 Gbit link

 In shaper | Actual Result
-----------+---------------
  100M     | 108 Mbps
  200M     | 244 Mbps
  300M     | 412 Mbps
  500M     | 893 Mbps

This happen because of q->now changes incorrectly in cbq_dequeue():
when it is called before real end of packet transmitting,
L2T is greater than real time delay, q_now gets an extra boost
but never compensate it.

To fix this problem we prevent change of q->now until its synchronization
with real time.

Signed-off-by: Vasily Averin <vvs@openvz.org>
Reviewed-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 14:29:20 -04:00
Rajesh Borundia
e0664d3da8 qlcnic: Bump up the version to 5.2.40
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 14:27:11 -04:00
Rajesh Borundia
0c453de6d5 qlcnic: Fix sparse warnings.
warning: 'pf_info.max_tx_ques' may be used uninitialized in this function
[-Wmaybe-uninitialized]

Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 14:27:11 -04:00
Rajesh Borundia
f1a094a830 qlcnic: Fix NULL dereference in error path.
o Fix for smatch tool reported error
   drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c:2029
   qlcnic_probe() error: potential NULL dereference 'adapter'.
o While returning from an error path in probe, adapter is not
  initialized. So do not access adapter in cleanup path.

Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 14:27:11 -04:00
Rajesh Borundia
d8fe3436df qlcnic: Fix potential NULL dereference
[net-next:master 301/302] drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c:563
 qlcnic_set_multi() error: potential null dereference 'cur'. (kzalloc returns null)

o Break out of the loop after memory allocation failure. Program all the
  MAC addresses that were cached in the return path.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 14:27:10 -04:00
Neal Cardwell
8466563e16 tcp: Remove dead sysctl_tcp_cookie_size declaration
Remove a declaration left over from the TCPCT-ectomy. This sysctl is
no longer referenced anywhere since 1a2c6181c4 ("tcp: Remove TCPCT").

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 14:26:50 -04:00
Stanislav Kinsbursky
2dc958fa2f ipc: set msg back to -EAGAIN if copy wasn't performed
Make sure that msg pointer is set back to error value in case of
MSG_COPY flag is set and desired message to copy wasn't found.  This
garantees that msg is either a error pointer or a copy address.

Otherwise the last message in queue will be freed without unlinking from
the queue (which leads to memory corruption) and the dummy allocated
copy won't be released.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-02 10:09:01 -07:00
Eric Dumazet
4a0b5ec12f bridge: remove a redundant synchronize_net()
commit 00cfec3748 (net: add a synchronize_net() in
netdev_rx_handler_unregister())
allows us to remove the synchronized_net() call from del_nbp()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 12:10:58 -04:00
Yan Burman
bab6a9eac0 net/mlx4_en: Fix setting initial MAC address
Commit 6bbb6d9 "net/mlx4_en: Optimize Rx fast path filter checks" introduced a regression
under which the MAC address read from the card was not converted correctly
(the most significant byte was not handled), fix that.

Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Yan Burman <yanb@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 12:07:56 -04:00
Veaceslav Falico
fcd99434fb bonding: get netdev_rx_handler_unregister out of locks
Now that netdev_rx_handler_unregister contains synchronize_net(), we need
to call it outside of bond->lock, cause it might sleep. Also, remove the
already unneded synchronize_net().

Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02 12:05:28 -04:00
Linus Torvalds
118c9a45fd arm-soc: bug fixes for 3.9-rc5
After a quiet set of fixes for 3.9-rc4, a lot of people woke up and sent
 urgent fixes for 3.9. I pushed back on a number of them that got
 deferred to 3.10, but these are the ones that seemed important.
 
 Regression in 3.9:
 
 - Multiple regressions in OMAP2+ clock cleanup
 - SH-Mobile frame buffer bug fix that merged here because of maintainer MIA
 - ux500 prcmu changes broke DT booting
 - MMCI duplicated regulator setup on ux500
 - New ux500 clock driver broke ethernet on snowball
 - Local interrupt driver for mvebu broke ethernet
 - MVEBU GPIO driver did not get set up right on Orion DT
 - incorrect interrupt number on Orion crypto for DT
 
 Long-standing bugs, including candidates for stable:
 
 - Kirkwood MMC needs to disable invalid card detect pins
 - MV SDIO pinmux was wrong on Mirabox
 - GoFlex Net board file needs to set NAND chip delay
 - MSM timer restart race
 - ep93xx early debug code broke in 3.7
 - i.MX CPU hotplug race
 - Incorrect clock setup for OMAP1 USB
 - Workaround for bad clock setup by some old OMAP4 boot loaders
 - Static I/O mappings on cns3xxx since 3.2
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC bug fixes from Arnd Bergmann:
 "After a quiet set of fixes for 3.9-rc4, a lot of people woke up and
  sent urgent fixes for 3.9.  I pushed back on a number of them that got
  deferred to 3.10, but these are the ones that seemed important.

  Regression in 3.9:

   - Multiple regressions in OMAP2+ clock cleanup
   - SH-Mobile frame buffer bug fix that merged here because of
     maintainer MIA
   - ux500 prcmu changes broke DT booting
   - MMCI duplicated regulator setup on ux500
   - New ux500 clock driver broke ethernet on snowball
   - Local interrupt driver for mvebu broke ethernet
   - MVEBU GPIO driver did not get set up right on Orion DT
   - incorrect interrupt number on Orion crypto for DT

  Long-standing bugs, including candidates for stable:

   - Kirkwood MMC needs to disable invalid card detect pins
   - MV SDIO pinmux was wrong on Mirabox
   - GoFlex Net board file needs to set NAND chip delay
   - MSM timer restart race
   - ep93xx early debug code broke in 3.7
   - i.MX CPU hotplug race
   - Incorrect clock setup for OMAP1 USB
   - Workaround for bad clock setup by some old OMAP4 boot loaders
   - Static I/O mappings on cns3xxx since 3.2"

* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: cns3xxx: fix mapping of private memory region
  arm: mvebu: Fix pinctrl for Armada 370 Mirabox SDIO port.
  arm: orion5x: correct IRQ used in dtsi for mv_cesa
  arm: orion5x: fix orion5x.dtsi gpio parameters
  ARM: Kirkwood: fix unused mvsdio gpio pins
  arm: mvebu: Use local interrupt only for the timer 0
  ARM: kirkwood: Fix chip-delay for GoFlex Net
  ARM: ux500: Enable the clock controlling Ethernet on Snowball
  ARM: ux500: Stop passing ios_handler() as an MMCI power controlling call-back
  ARM: ux500: Apply the TCPM and TCDM locations and sizes to dbx5x0 DT
  fbdev: sh_mobile_lcdc: fixup B side hsync adjust settings
  ARM: OMAP: clocks: Delay clk inits atleast until slab is initialized
  ARM: imx: fix sync issue between imx_cpu_die and imx_cpu_kill
  ARM: msm: Stop counting before reprogramming clockevent
  ARM: ep93xx: Fix wait for UART FIFO to be empty
  ARM: OMAP4: PM: fix PM regression introduced by recent clock cleanup
  ARM: OMAP3: hwmod data: keep MIDLEMODE in force-standby for musb
  ARM: OMAP4: clock data: lock USB DPLL on boot
  ARM: OMAP1: fix USB host on 1710
2013-04-02 08:35:03 -07:00