Граф коммитов

361363 Коммитов

Автор SHA1 Сообщение Дата
Nithin Sujir 84421b99ce tg3: Update link_up flag for phylib devices
Commit f4a46d1f46 introduced a bug where
the ifconfig stats would remain 0 for phylib devices. This is due to
tp->link_up flag never becoming true causing tg3_periodic_fetch_stats()
to return.

The link_up flag was being updated in tg3_test_and_report_link_chg()
after setting up the phy. This function however, is not called for
phylib devices since the driver does not do the phy setup.

This patch moves the link_up flag update into the common
tg3_link_report() function that gets called for phylib devices as well
for non phylib devices when the link state changes.

To avoid updating link_up twice, we replace tg3_carrier_...() calls that
are followed by tg3_link_report(), with netif_carrier_...(). We can then
remove the unused tg3_carrier_on() function.

CC: <stable@vger.kernel.org>
Reported-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-08 13:14:58 -05:00
Hannes Frederic Sowa ddf64354af ipv6: stop multicast forwarding to process interface scoped addresses
v2:
a) used struct ipv6_addr_props

v3:
a) reverted changes for ipv6_addr_props

v4:
a) do not use __ipv6_addr_needs_scope_id

Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-08 12:28:20 -05:00
Cristian Bercaru 3bc1b1add7 bridging: fix rx_handlers return code
The frames for which rx_handlers return RX_HANDLER_CONSUMED are no longer
counted as dropped. They are counted as successfully received by
'netif_receive_skb'.

This allows network interface drivers to correctly update their RX-OK and
RX-DRP counters based on the result of 'netif_receive_skb'.

Signed-off-by: Cristian Bercaru <B43982@freescale.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-08 12:19:59 -05:00
Linus Torvalds 7b54c165a0 vfs: don't BUG_ON() if following a /proc fd pseudo-symlink results in a symlink
It's "normal" - it can happen if the file descriptor you followed was
opened with O_NOFOLLOW.

Reported-by: Dave Jones <davej@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08 09:03:07 -08:00
Paul Moore a6a8fe950e netlabel: fix build problems when CONFIG_IPV6=n
My last patch to solve a problem where the static/fallback labels were
not fully displayed resulted in build problems when IPv6 was disabled.
This patch resolves the IPv6 build problems; sorry for the screw-up.

Please queue for -stable or simply merge with the previous patch.

Reported-by: Kbuild Test Robot <fengguang.wu@intel.com>
Signed-off-by: Paul Moore <pmoore@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-08 11:33:51 -05:00
Hiraku Toyooka 1abccd7419 tracing: update documentation of snapshot utility
Now, "snapshot" file returns success on a reset of snapshot buffer
even if the buffer wasn't allocated, instead of returning EINVAL.
This patch updates snapshot desctiption according to the change.

Link: http://lkml.kernel.org/r/51399409.4090207@hitachi.com

Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2013-03-08 06:27:11 -05:00
Andrew Morton c390b0363d usb: dwc3: ep0: fix sparc64 build
drivers/usb/dwc3/ep0.c: In function `__dwc3_ep0_do_control_data':
drivers/usb/dwc3/ep0.c:905: error: `typeof' applied to a bit-field

Looks like a gcc-3.4.5/sparc64 bug.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-03-08 09:42:50 +02:00
Chen Gang f39479363e drivers/isdn: checkng length to be sure not memory overflow
sizeof (cmd.parm.cmsg.para) is 50 (MAX_CAPI_PARA_LEN).
  sizeof (cmd.parm) is 80+, but less than 100.
  strlen(msg) may be more than 80+ (Modem-Commandbuffer, less than 255).
    isdn_tty_send_msg is called by isdn_tty_parse_at
    the relative parameter is m->mdmcmd (atemu *m)
    the relative command may be "+M..."

  so need check the length to be sure not memory overflow.
    cmd.parm is a union, and need keep original valid buffer length no touch

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-08 00:35:44 -05:00
Chen Gang 2e85d67690 net/rds: zero last byte for strncpy
for NUL terminated string, need be always sure '\0' in the end.

additional info:
  strncpy will pads with zeroes to the end of the given buffer.
  should initialise every bit of memory that is going to be copied to userland

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-08 00:35:44 -05:00
Yaniv Rosner d916932330 bnx2x: Fix SFP+ misconfiguration in iSCSI boot scenario
Fix a problem in which iSCSI-boot installation fails when switching SFP+ boot
port and moving the SFP+ module prior to boot. The SFP+ insertion triggers an
interrupt which configures the SFP+ module wrongly before interface is loaded.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-08 00:35:44 -05:00
Yaniv Rosner 5f3347e6e7 bnx2x: Fix intermittent long KR2 link up time
When a KR2 device is connected to a KR link-partner, sometimes it requires
disabling KR2 for the link to come up. To get a KR2 link up later, in case no
base pages are seen, the KR2 is restored. The problem was that some link
partners cleared their advertised BP/NP after around two seconds, causing the
driver to disable/enable KR2 link all the time.
The fix was to wait at least 5 seconds before checking KR2 recovery.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-08 00:35:44 -05:00
Amit Shah e84e7a56a3 virtio: rng: disallow multiple device registrations, fixes crashes
The code currently only supports one virtio-rng device at a time.
Invoking guests with multiple devices causes the guest to blow up.

Check if we've already registered and initialised the driver.  Also
cleanup in case of registration errors or hot-unplug so that a new
device can be used.

Reported-by: Peter Krempa <pkrempa@redhat.com>
Reported-by: <yunzheng@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
2013-03-08 11:30:43 +11:00
Linus Torvalds 47b3bc9073 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
 "Several boot fixes (MacBook, legacy EFI bootloaders), another
  please-don't-brick fix, and some minor stuff."

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: Do not try to sync identity map for non-mapped pages
  x86, doc: Be explicit about what the x86 struct boot_params requires
  x86: Don't clear efi_info even if the sentinel hits
  x86, mm: Make sure to find a 2M free block for the first mapped area
  x86: Fix 32-bit *_cpu_data initializers
  efivarfs: return accurate error code in efivarfs_fill_super()
  efivars: efivarfs_valid_name() should handle pstore syntax
  efi: be more paranoid about available space when creating variables
  iommu, x86: Add DMA remap fault reason
  x86, smpboot: Remove unused variable
2013-03-07 15:57:38 -08:00
Linus Torvalds af2841cdd4 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Misc radeon, nouveau, mgag200 and intel fixes.

  The intel fixes should contain the fix for the touchpad on the
  Chromebook - hey I'm an input maintainer now!"

Hate to pee on your parade, Dave, but I don't think being an input
maintainer is necessarily something to strive for..

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (25 commits)
  drm/tegra: drop "select DRM_HDMI"
  drm: Documentation typo fixes
  drm/mgag200: Bug fix: Renesas board now selects native resolution.
  drm/mgag200: Reject modes that are too big for VRAM
  drm/mgag200: 'fbdev_list' in 'struct mga_fbdev' is not used
  drm/radeon: don't check mipmap alignment if MIP_ADDRESS is FMASK
  drm/radeon: skip MC reset as it's probably not hung
  drm/radeon: add primary dac adj quirk for R200 board
  drm/radeon: don't set hpd, afmt interrupts when interrupts are disabled
  drm/i915: Turn off hsync and vsync on ADPA when disabling crt
  drm/i915: Fix incorrect definition of ADPA HSYNC and VSYNC bits
  drm/i915: also disable south interrupts when handling them
  drm/i915: enable irqs earlier when resuming
  drm/i915: Increase the RC6p threshold.
  DRM/i915: On G45 enable cursor plane briefly after enabling the display plane.
  drm/nv50-: prevent some races between modesetting and page flipping
  drm/nouveau/i2c: drop parent refcount when creating ports
  drm/nv84: fix regression in page flipping
  drm/nouveau: Fix typo in init_idx_addr_latched().
  drm/nouveau: Disable AGP on PowerPC again.
  ...
2013-03-07 14:55:54 -08:00
Linus Torvalds c89b148fd3 ACPI and power management fixes for 3.9-rc2
- Two fixes for the new intel_pstate driver from Dirk Brandewie.
 
 - Fix for incorrect usage of the .find_bridge() callback from struct
   acpi_bus_type in the USB core and subsequent removal of that
   callback from Rafael J. Wysocki.
 
 - ACPI processor driver cleanups from Chen Gang and Syam Sidhardhan.
 
 - ACPI initialization and error messages fix from Joe Perches.
 
 - Operating Performance Points documentation improvement from
   Nishanth Menon.
 
 - Fixes for memory leaks and potential concurrency issues and sysfs
   attributes leaks during device removal in the core device PM QoS
   code from Rafael J. Wysocki.
 
 - Calxeda Highbank cpufreq driver simplification from Emilio López.
 
 - cpufreq comment cleanup from Namhyung Kim.
 
 - Fix for a section mismatch in Calxeda Highbank interprocessor
   communication code from Mark Langsdorf (this is not a PM fix
   strictly speaking, but the code in question went in through the
   PM tree).
 
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Merge tag 'pm+acpi-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael J Wysocki:

 - Two fixes for the new intel_pstate driver from Dirk Brandewie.

 - Fix for incorrect usage of the .find_bridge() callback from struct
   acpi_bus_type in the USB core and subsequent removal of that callback
   from Rafael J Wysocki.

 - ACPI processor driver cleanups from Chen Gang and Syam Sidhardhan.

 - ACPI initialization and error messages fix from Joe Perches.

 - Operating Performance Points documentation improvement from Nishanth
   Menon.

 - Fixes for memory leaks and potential concurrency issues and sysfs
  attributes leaks during device removal in the core device PM QoS code
  from Rafael J Wysocki.

 - Calxeda Highbank cpufreq driver simplification from Emilio López.

 - cpufreq comment cleanup from Namhyung Kim.

 - Fix for a section mismatch in Calxeda Highbank interprocessor
   communication code from Mark Langsdorf (this is not a PM fix strictly
   speaking, but the code in question went in through the PM tree).

* tag 'pm+acpi-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq / intel_pstate: Do not load on VM that does not report max P state.
  cpufreq / intel_pstate: Fix intel_pstate_init() error path
  ACPI / glue: Drop .find_bridge() callback from struct acpi_bus_type
  ACPI / glue: Add .match() callback to struct acpi_bus_type
  ACPI / porocessor: Beautify code, pr->id is u32 which is never < 0
  ACPI / processor: Remove redundant NULL check before kfree
  ACPI / Sleep: Avoid interleaved message on errors
  PM / QoS: Remove device PM QoS sysfs attributes at the right place
  PM / QoS: Fix concurrency issues and memory leaks in device PM QoS
  cpufreq: highbank: do not initialize array with a loop
  PM / OPP: improve introductory documentation
  cpufreq: Fix a typo in comment
  mailbox, pl320-ipc: remove __init from probe function
2013-03-07 14:54:28 -08:00
Paul Bolle 36c1813bb4 drm/tegra: drop "select DRM_HDMI"
Commit ac24c2204a ("drm/tegra: Use generic
HDMI infoframe helpers") added "select DRM_HDMI" to the DRM_TEGRA
Kconfig entry. But there is no Kconfig symbol named DRM_HDMI. The select
statement for that symbol is a nop. Drop it.

What was needed to use HDMI functionality was to select HDMI (which this
entry already did through depending on DRM) and to include linux/hdmi.h
(which this commit also did).

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-03-08 08:36:01 +10:00
Christopher Harvey 13bcf01b33 drm: Documentation typo fixes
Signed-off-by: Christopher Harvey <charvey@matrox.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-03-08 08:32:23 +10:00
Julia Lemire ce495960ff drm/mgag200: Bug fix: Renesas board now selects native resolution.
Renesas boards were consistently defaulting to the 1024x768 resolution,
regardless of the native resolution of the monitor plugged in.  It was
determined that the EDID of the monitor was not being read.  Since the
DAC is a shared line, in order to read from or write to it we must take
control of the DAC clock.  This can be done by setting the proper
register to one.

This bug fix sets the register MGA1064_GEN_IO_CTL2 to one.  The DAC
control line can be used to determine whether or not a new monitor has
been plugged in.  But since the hotplug feature is not one we will
support, it has been decided to simply leave the register set to one.

Signed-off-by: Julia Lemire <jlemire@matrox.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-03-08 08:31:49 +10:00
Christopher Harvey 0ba5317158 drm/mgag200: Reject modes that are too big for VRAM
A monitor or a user could request a resolution greater than the
available VRAM for the backing framebuffer. This change checks the
required framebuffer size against the max VRAM size and rejects modes
if they are too big. This change can also remove a mode request passed
in via the video= parameter.

Signed-off-by: Christopher Harvey <charvey@matrox.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-03-08 08:31:31 +10:00
Christopher Harvey cc59487a05 drm/mgag200: 'fbdev_list' in 'struct mga_fbdev' is not used
Signed-off-by: Christopher Harvey <charvey@matrox.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-03-08 08:30:54 +10:00
Dave Airlie 9d6245263c Merge branch 'drm-fixes-3.9' of git://people.freedesktop.org/~agd5f/linux into drm-next
Alex writes:
  Radeon fixes pull.  Not much to it.
  - fix some splatter if the interrupt handler isn't registered
  - Add a quirk for an old R200 board to fix washed out colors on the DAC
  - Don't try and soft reset the MC when we reset the GPU.  It usually doesn't
    need it and doesn't always work reliably.
  - A CS checker fix from Marek

* 'drm-fixes-3.9' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: don't check mipmap alignment if MIP_ADDRESS is FMASK
  drm/radeon: skip MC reset as it's probably not hung
  drm/radeon: add primary dac adj quirk for R200 board
  drm/radeon: don't set hpd, afmt interrupts when interrupts are disabled
2013-03-08 08:28:22 +10:00
Linus Torvalds 19cf3edbf3 Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM fixes from Russell King:
 "Mainly a group of fixes, the only exception is the wiring up of the
  kcmp syscall now that those patches went in during the last merge
  window."

* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: 7668/1: fix memset-related crashes caused by recent GCC (4.7.2) optimizations
  ARM: 7667/1: perf: Fix section mismatch on armpmu_init()
  ARM: 7666/1: decompressor: add -mno-single-pic-base for building the decompressor
  ARM: 7665/1: Wire up kcmp syscall
  ARM: 7664/1: perf: remove erroneous semicolon from event initialisation
  ARM: 7663/1: perf: fix ARMv7 EVTYPE_MASK to include NSH bit
  ARM: 7662/1: hw_breakpoint: reset debug logic on secondary CPUs in s2ram resume
  ARM: 7661/1: mm: perform explicit branch predictor maintenance when required
  ARM: 7660/1: tlb: add branch predictor maintenance operations
  ARM: 7659/1: mm: make mm->context.id an atomic64_t variable
  ARM: 7658/1: mm: fix race updating mm->context.id on ASID rollover
  ARM: 7657/1: head: fix swapper and idmap population with LPAE and big-endian
  ARM: 7655/1: smp_twd: make twd_local_timer_of_register() no-op for nosmp
  ARM: 7652/1: mm: fix missing use of 'asid' to get asid value from mm->context.id
  ARM: 7642/1: netx: bump IRQ offset to 64
2013-03-07 13:47:18 -08:00
Vlad Yasevich 87ab7f6f28 macvlan: Set IFF_UNICAST_FLT flag to prevent unnecessary promisc mode.
Macvlan already supports hw address filters.  Set the IFF_UNICAST_FLT
so that it doesn't needlesly enter PROMISC mode when macvlans are
stacked.

Signed-of-by: Vlad Yasevich <vyasevic@redhat.com>

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 16:36:59 -05:00
Vlad Yasevich ba81276b1a team: unsyc the devices addresses when port is removed
When a team port is removed, unsync all devices addresses that may have
been synched to the port devices.

CC: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 16:35:57 -05:00
Cong Wang fbca58a224 bridge: add missing vid to br_mdb_get()
Obviously, vid should be considered when searching for multicast
group.

Cc: Vlad Yasevich <vyasevic@redhat.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Acked-by: Vlad Yasevich <vyasevich@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 16:32:19 -05:00
Christoph Paasch c10cb5fc0f Fix: sparse warning in inet_csk_prepare_forced_close
In e337e24d66 (inet: Fix kmemleak in tcp_v4/6_syn_recv_sock and
dccp_v4/6_request_recv_sock) I introduced the function
inet_csk_prepare_forced_close, which does a call to bh_unlock_sock().
This produces a sparse-warning.

This patch adds the missing __releases.

Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 16:31:29 -05:00
Junwei Zhang d0d79c3fd7 afkey: fix a typo
Signed-off-by: Martin Zhang <martinbj2008@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 16:26:45 -05:00
H. Peter Anvin cc67708891 EFI changes for v3.9-rc2,
* Make the EFI variable code more paranoid about running out of
     space in NVRAM, since this is the root cause of the recent issue
     where machines refuse to boot - from Matthew Garrett.
 
   * Some efivarfs patches that fix regressions introduced in v3.9-rc1.
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Merge tag 'efi-for-3.9-rc2' into x86/urgent

EFI changes for v3.9-rc2,

  * Make the EFI variable code more paranoid about running out of
    space in NVRAM, since this is the root cause of the recent issue
    where machines refuse to boot - from Matthew Garrett.

  * Some efivarfs patches that fix regressions introduced in v3.9-rc1.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2013-03-07 13:25:59 -08:00
Dave Hansen 60f583d56a x86: Do not try to sync identity map for non-mapped pages
kernel_map_sync_memtype() is called from a variety of contexts.  The
pat.c code that calls it seems to ensure that it is not called for
non-ram areas by checking via pat_pagerange_is_ram().  It is important
that it only be called on the actual identity map because there *IS*
no map to sync for highmem pages, or for memory holes.

The ioremap.c uses are not as careful as those from pat.c, and call
kernel_map_sync_memtype() on PCI space which is in the middle of the
kernel identity map _range_, but is not actually mapped.

This patch adds a check to kernel_map_sync_memtype() which probably
duplicates some of the checks already in pat.c.  But, it is necessary
for the ioremap.c uses and shouldn't hurt other callers.

I have reproduced this bug and this patch fixes it for me and the
original bug reporter:

	https://lkml.org/lkml/2013/2/5/396

Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20130307163151.D9B58C4E@kernel.stglabs.ibm.com
Signed-off-by: Dave Hansen <dave@sr71.net>
Tested-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2013-03-07 13:23:28 -08:00
Sony Chacko 195ca382ca MAINTAINERS: Update qlcnic maintainers list
Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 16:21:57 -05:00
Paul Moore 0c1233aba1 netlabel: correctly list all the static label mappings
When we have a large number of static label mappings that spill across
the netlink message boundary we fail to properly save our state in the
netlink_callback struct which causes us to repeat the same listings.
This patch fixes this problem by saving the state correctly between
calls to the NetLabel static label netlink "dumpit" routines.

Signed-off-by: Paul Moore <pmoore@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 16:20:23 -05:00
Phil Sutter 260055bb1f mv643xx_eth: fix for disabled autoneg
When autoneg has been disabled in the PHY (Marvell 88E1118 here), auto
negotiation between MAC and PHY seem non-functional anymore. The only
way I found to workaround this is to manually configure the MAC with the
settings sent to the PHY earlier.

Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 16:17:45 -05:00
Veaceslav Falico 80028ea1c0 bonding: fire NETDEV_RELEASE event only on 0 slaves
Currently, if we set up netconsole over bonding and release a slave,
netconsole will stop logging on the whole bonding device. Change the
behavior to stop the netconsole only when the last slave is released.

Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 16:15:18 -05:00
Zang MingJie 9cb6cb7ed1 vxlan: fix oops when delete netns containing vxlan
The following script will produce a kernel oops:

    sudo ip netns add v
    sudo ip netns exec v ip ad add 127.0.0.1/8 dev lo
    sudo ip netns exec v ip link set lo up
    sudo ip netns exec v ip ro add 224.0.0.0/4 dev lo
    sudo ip netns exec v ip li add vxlan0 type vxlan id 42 group 239.1.1.1 dev lo
    sudo ip netns exec v ip link set vxlan0 up
    sudo ip netns del v

where inspect by gdb:

    Program received signal SIGSEGV, Segmentation fault.
    [Switching to Thread 107]
    0xffffffffa0289e33 in ?? ()
    (gdb) bt
    #0  vxlan_leave_group (dev=0xffff88001bafa000) at drivers/net/vxlan.c:533
    #1  vxlan_stop (dev=0xffff88001bafa000) at drivers/net/vxlan.c:1087
    #2  0xffffffff812cc498 in __dev_close_many (head=head@entry=0xffff88001f2e7dc8) at net/core/dev.c:1299
    #3  0xffffffff812cd920 in dev_close_many (head=head@entry=0xffff88001f2e7dc8) at net/core/dev.c:1335
    #4  0xffffffff812cef31 in rollback_registered_many (head=head@entry=0xffff88001f2e7dc8) at net/core/dev.c:4851
    #5  0xffffffff812cf040 in unregister_netdevice_many (head=head@entry=0xffff88001f2e7dc8) at net/core/dev.c:5752
    #6  0xffffffff812cf1ba in default_device_exit_batch (net_list=0xffff88001f2e7e18) at net/core/dev.c:6170
    #7  0xffffffff812cab27 in cleanup_net (work=<optimized out>) at net/core/net_namespace.c:302
    #8  0xffffffff810540ef in process_one_work (worker=0xffff88001ba9ed40, work=0xffffffff8167d020) at kernel/workqueue.c:2157
    #9  0xffffffff810549d0 in worker_thread (__worker=__worker@entry=0xffff88001ba9ed40) at kernel/workqueue.c:2276
    #10 0xffffffff8105870c in kthread (_create=0xffff88001f2e5d68) at kernel/kthread.c:168
    #11 <signal handler called>
    #12 0x0000000000000000 in ?? ()
    #13 0x0000000000000000 in ?? ()
    (gdb) fr 0
    #0  vxlan_leave_group (dev=0xffff88001bafa000) at drivers/net/vxlan.c:533
    533		struct sock *sk = vn->sock->sk;
    (gdb) l
    528	static int vxlan_leave_group(struct net_device *dev)
    529	{
    530		struct vxlan_dev *vxlan = netdev_priv(dev);
    531		struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id);
    532		int err = 0;
    533		struct sock *sk = vn->sock->sk;
    534		struct ip_mreqn mreq = {
    535			.imr_multiaddr.s_addr	= vxlan->gaddr,
    536			.imr_ifindex		= vxlan->link,
    537		};
    (gdb) p vn->sock
    $4 = (struct socket *) 0x0

The kernel calls `vxlan_exit_net` when deleting the netns before shutting down
vxlan interfaces. Later the removal of all vxlan interfaces, where `vn->sock`
is already gone causes the oops. so we should manually shutdown all interfaces
before deleting `vn->sock` as the patch does.

Signed-off-by: Zang MingJie <zealot0630@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 16:12:51 -05:00
Bhavesh Davda e4fabf2b6e vmxnet3: prevent div-by-zero panic when ring resizing uninitialized dev
Linux is free to call ethtool ops as soon as a netdev exists when probe
finishes. However, we only allocate vmxnet3 tx/rx queues and initialize the
rx_buf_per_pkt field in struct vmxnet3_adapter when the interface is
opened (UP).

Signed-off-by: Bhavesh Davda <bhavesh@vmware.com>
Signed-off-by: Shreyas N Bhatewara <sbhatewara@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 16:10:47 -05:00
Linus Torvalds d345243629 regulator: Fixes for v3.9
A few small things here and there, nothing major here really.  The
 conversion of twl4030ldo_ops to get_voltage_sel is a fix, as covered in
 the commit log it fixes inconsistency in handling of the IS_UNSUP()
 feature in the driver.
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Merge tag 'regulator-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A few small things here and there, nothing major here really.  The
  conversion of twl4030ldo_ops to get_voltage_sel is a fix, as covered
  in the commit log it fixes inconsistency in handling of the IS_UNSUP()
  feature in the driver."

* tag 'regulator-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: fixed regulator_bulk_enable unwinding code
  regulator: twl: Convert twl4030ldo_ops to get_voltage_sel
  regulator: palmas: fix number of SMPS voltages
  regulator: core: fix documentation error in regulator_allow_bypass
  regulator: core: update kernel documentation for regulator_desc
  regulator: db8500-prcmu - remove incorrect __exit markup
2013-03-07 13:07:10 -08:00
Linus Torvalds 0c8150d2c4 regmap: PM fix for v3.9
A simple fix to stop us leaking a runtime PM reference in the case where
 we fail to enable a device.
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Merge tag 'regmap-v3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap PM fix from Mark Brown:
 "A simple fix to stop us leaking a runtime PM reference in the case
  where we fail to enable a device."

* tag 'regmap-v3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: irq: call pm_runtime_put in pm_runtime_get_sync failed case
2013-03-07 13:06:21 -08:00
David S. Miller c5b1567947 Merge branch 'mlx4'
Or Gerlitz says:

====================
Here's a batch of fixes to the mlx4 core and ethernet drivers for 3.9

The commit that disabled RFS when running in SRIOV mode fixes a regression which was
introduced in 3.9-rc1 but actually present also in the 3.8 -stable series. It turns out
that a slightly different fix is needed there and we will generate and submit it there.

Patches done against net commit 66d29cbc59 "benet: Wait f/w POST until timeout"
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 15:52:33 -05:00
Amir Vadai a229e488ac net/mlx4_en: Disable RFS when running in SRIOV mode
Commit 37706996 "mlx4_en: fix allocation of CPU affinity reverse-map" fixed
a bug when mlx4_dev->caps.comp_pool is larger from the device rx rings, but
introduced a regression.

When the mlx4_core is activating its "legacy mode" (e.g when running in SRIOV
mode) w.r.t to EQs/IRQs usage, comp_pool becomes zero and we're crashing on
divide by zero alloc_cpu_rmap.

Fix that by enabling RFS only when running in non-legacy mode.

Reported-by: Yan Burman <yanb@mellanox.com>
Cc: Kleber Sacilotto de Souza <klebers@linux.vnet.ibm.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 15:52:04 -05:00
Yan Burman 83a5a6cef4 net/mlx4_en: Cleanup MAC resources on module unload or port stop
Make sure we cleanup all MAC related resources (entries in the port MAC
table and steering rules) when stopping a port or when the driver is unloaded.

The leak was introduced by commit 07cb4b0a "net/mlx4_en: Manage hash of MAC
addresses per port".

Signed-off-by: Yan Burman <yanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 15:52:04 -05:00
Yan Burman bfa8ab4741 net/mlx4_en: Fix race when setting the device MAC address
Remove unnecessary use of workqueue for the device MAC address setting
flow, and fix a race when setting MAC address which was introduced by
commit c07cb4b0a "net/mlx4_en: Manage hash of MAC addresses per port"

The race happened when mlx4_en_replace_mac was being executed in parallel
with a successive call to ndo_set_mac_address, e.g witn an A/B/A MAC
setting configuration test, the third set fails.

With this change we also properly report an error if set MAC fails.

Signed-off-by: Yan Burman <yanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 15:52:04 -05:00
Jack Morgenstein e7dbeba856 net/mlx4_core: Fix endianness bug in set_param_l
The set_param_l function assumes casting a u64 pointer to a u32 pointer
allows to access the lower 32bits, but it results in writing the upper
32 bits on big endian systems.

The fixed function reads the upper 32 bits of the 64 argument, and or's
them with the 32 bits of the 32-bit value passed to the function.

Since this is now a "read-modify-write" operation, we got many
"unintialized variable" warnings which needed to be fixed as well.

Reported-by: Alexander Schmidt <alexschm@de.ibm.com>.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 15:52:03 -05:00
Jack Morgenstein 0081c8f381 net/mlx4_core: Turn off device-managed FS bit in dev-cap wrapper if DMFS is not enabled
Older kernels detect DMFS (device-managed flow steering) from the HCA
device capability directly, regardless of whether the capability was
enabled in INIT_HCA, this is fixed by commit 7b8157bed "mlx4_core: Adjustments
to Flow Steering activation logic for SR-IOV"

To protect against guests running kernels without this fix, the host driver
should turn off the DMFS capability bit in mlx4_QUERY_DEV_CAP_wrapper.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 15:52:03 -05:00
Jack Morgenstein 3fb817f1cd net/mlx4_core: Disable mlx4_QP_ATTACH calls from guests if the host uses flow steering
Guests kernels may not correctly detect if DMFS (device-enabled flow steering) is
activated by the host. If DMFS is activated, the master should return error to guests
which try to use the B0-steering flow calls (mlx4_QP_ATTACH).

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 15:52:03 -05:00
Linus Torvalds e2e091fd99 Minor code cleanups and new Kconfig option to disable /dev/ecryptfs
The code cleanups fix up W=1 compiler warnings and some unnecessary checks. The
 new Kconfig option, defaulting to N, allows the rarely used eCryptfs kernel to
 userspace communication channel to be compiled out. This may be the first step
 in it being eventually removed.
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Merge tag 'ecryptfs-3.9-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs

Pull ecryptfs fixes from Tyler Hicks:
 "Minor code cleanups and new Kconfig option to disable /dev/ecryptfs

  The code cleanups fix up W=1 compiler warnings and some unnecessary
  checks.  The new Kconfig option, defaulting to N, allows the rarely
  used eCryptfs kernel to userspace communication channel to be compiled
  out.  This may be the first step in it being eventually removed."

Hmm.  I'm not sure whether these should be called "fixes", and it
probably should have gone in the merge window.  But I'll let it slide.

* tag 'ecryptfs-3.9-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
  eCryptfs: allow userspace messaging to be disabled
  eCryptfs: Fix redundant error check on ecryptfs_find_daemon_by_euid()
  ecryptfs: ecryptfs_msg_ctx_alloc_to_free(): remove kfree() redundant null check
  eCryptfs: decrypt_pki_encrypted_session_key(): remove kfree() redundant null check
  eCryptfs: remove unneeded checks in virt_to_scatterlist()
  eCryptfs: Fix -Wmissing-prototypes warnings
  eCryptfs: Fix -Wunused-but-set-variable warnings
  eCryptfs: initialize payload_len in keystore.c
2013-03-07 12:47:24 -08:00
Linus Torvalds cd66acb412 Bug fixes for sht15 and ltc2978 driver plus some documentation updates
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon patches from Guenter Roeck:
 "Bug fixes for sht15 and ltc2978 driver plus some documentation
  updates"

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (sht15) Check return value of regulator_enable()
  hwmon: (adt7410) Document ADT7420 support
  hwmon: (pmbus/ltc2978) Use detected chip ID to select supported functionality
  hwmon: (pmbus/ltc2978) Fix peak attribute handling
  hwmon: (pmbus/ltc2978) Update datasheet links
  hwmon: Update my e-mail address in driver documentation
2013-03-07 12:46:25 -08:00
David S. Miller 43b18db8a2 Merge branch 'master' of git://1984.lsi.us.es/nf
Pablo Neira Ayuso says:

====================
The following patchset contains Netfilter fixes for your net tree,
they are:

* Don't generate audit log message if audit is not enabled, from Gao Feng.

* Fix logging formatting for packets dropped by helpers, by Joe Perches.

* Fix a compilation warning in nfnetlink if CONFIG_PROVE_RCU is not set,
  from Paul Bolle.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 15:20:02 -05:00
David S. Miller 8b4cd8a053 Merge branch 'intel'
Jeff Kirsher says:

====================
This series contains updates to e1000e only.

All three patches come from Konstantin Khlebnikov to resolve power
management issues.  The first patch removes redundant and unbalanced
pci_disable_device() from the shutdown function.  The second patch
removes redundant actions from the driver and fixes the interaction
with actions in pci-bus runtime power management code.  The third
and last patch fixes some messages like 'Error reading PHY register'
and 'Hardware Erorr' and saves several seconds on reboot.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-07 15:18:53 -05:00
Marek Olšák 774c389fae drm/radeon: don't check mipmap alignment if MIP_ADDRESS is FMASK
The MIP_ADDRESS state has 2 meanings. If the texture has one sample
per pixel, it's a pointer to the mipmap chain. If the texture has
multiple samples per pixel, it's a pointer to FMASK, a metadata buffer
needed for reading compressed MSAA textures. The mipmap
alignment rules do not apply to FMASK.

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-03-07 12:58:59 -05:00
Alex Deucher d808fc8829 drm/radeon: skip MC reset as it's probably not hung
The MC is mostly likely busy (e.g., display requests), not hung
so no need to reset it.  Doing an MC reset is tricky and not
particularly reliable.  Fixes hangs in certain cases.

Reported-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-03-07 12:58:58 -05:00