Commit Graph

310889 Commits

Author SHA1 Message Date
Dan Carpenter
d9cb9bd63e can: c_can: precedence error in c_can_chip_config()
(CAN_CTRLMODE_LISTENONLY & CAN_CTRLMODE_LOOPBACK) is (0x02 & 0x01) which
is zero so the condition is never true.  The intent here was to test
that both flags were set.

Cc: <stable@kernel.org> # 2.6.39+
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-15 15:25:56 -07:00
Vishal Agarwal
f960727e6c Bluetooth: Fix sending HCI_Disconnect only when connected
HCI_Disconnect should only be sent after connection is established.
If connection is not yet established and HCI_Disconnect is called
then disconnection complete will be received with a handle which
does not exist and hence this event will be ignored.
But as mgmt.c will not receive this event, its variable for pending
command is not cleared.This will result in future Disconnect commands
for that BD Address to be blocked with error busy.

Signed-off-by: Vishal Agarwal <vishal.agarwal@stericsson.com>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
2012-06-14 12:19:39 -03:00
Linus Torvalds
424d54d2dc Merge git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fix from Marcelo Tosatti:
 "Fix a spurious warning on CPU offline path"

* git://git.kernel.org/pub/scm/virt/kvm/kvm:
  x86: kvmclock: remove check_and_clear_guest_paused warning
2012-06-14 15:46:59 +03:00
Linus Torvalds
0953135956 pinctrl fixes for v3.5 rc series:
- section markup fixes
 - clk_prepare() fix to conform to the clk API
 - memory leaks
 - incorrect debug messages
 - bad errorpaths
 - typos
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Merge tag 'pinctrl-fixes-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl fixes from Linus Walleij:
 - section markup fixes
 - clk_prepare() fix to conform to the clk API
 - memory leaks
 - incorrect debug messages
 - bad errorpaths
 - typos

* tag 'pinctrl-fixes-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: pinctrl-mxs: set platform driver data to NULL at errpath and at unregister
  pinctrl: pinctrl-mxs: Take care of frees if the kzalloc fails
  pinctrl: pinctrl-imx: fix incorrect debug message of maps
  pinctrl: pinctrl-imx: free if of_get_parent fails to get the parent node
  pinctrl: pinctrl-imx: free allocated pinctrl_map structure only once and use kernel facilities for IMX_PMX_DUMP
  pinctrl: nomadik: fix up typo
  pinctrl: nomadik: add clk_prepare() call
  pinctrl: fix a minor harmless typo
  pinctrl: sirf: mark of_device_id match table as __devinitconst
2012-06-14 15:43:32 +03:00
Linus Torvalds
b532ff20bc Sound fixes for 3.5-rc3
- Fix a regression of USB-audio PCM assignment since 3.4
 - A few VGA-switcheroo-related fixes for proper HDMI audio enablement
 - Fixed the missing initializations of HD-audio verbs, which may have
   resulted in various breakage
 - Some driver-specific ASoC updates
 - A few fixes for the dynamic PCM code
 - The addition of pinctrl support for the i.MX audmux which didn't make it
   into -rc1 due to cross tree dependency issues
 - A few minor fixes in compress API codes
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Merge tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:

 - Fix a regression of USB-audio PCM assignment since 3.4
 - A few VGA-switcheroo-related fixes for proper HDMI audio enablement
 - Fixed the missing initializations of HD-audio verbs, which may have
   resulted in various breakage
 - Some driver-specific ASoC updates
 - A few fixes for the dynamic PCM code
 - The addition of pinctrl support for the i.MX audmux which didn't make
   it into -rc1 due to cross tree dependency issues
 - A few minor fixes in compress API codes

* tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Don't forget to call init verbs added by fixup list
  ALSA: HDA: Pin fixup for Zotac Z68 motherboard
  ALSA: compress_core: cleanup pointers on stop
  ALSA: compress_core: don't wake up on pause
  ALSA: hda - Fix detection of Creative SoundCore3D controllers
  vga_switcheroo: Enable/disable audio clients at the right time
  ALSA: hda - HDMI Audio init all connectors when VGA-switcheroo is off
  vga_switcheroo: Fix error without CONFIG_VGA_SWITCHEROO
  ALSA: hda - Fix uninitialized HDMI controllers with VGA-switcheroo
  vga_switcheroo: Add a helper function to get the client state
  ALSA: usb-audio: Fix substream assignments
  ASoC: tegra: add MODULE_DEVICE_TABLE to tegra30_ahub
  ASoC: wm2000: Always use a 4s timeout for the firmware
  ASoC: dapm: Fix input list to use source widgets
  ASoC: dpcm: Fix dpcm_get_be() to check that DAI is BE
  ASoC: wm8994: Apply volume updates with clocks enabled
  ASoC: wm8994: Ensure all AIFnCLK events are run from the _late variants
  ASoC: imx-audmux: add pinctrl support
  ASoC: dapm: Fix connected widget capture path query.
2012-06-14 15:38:48 +03:00
Linus Torvalds
fea7c7830d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David S. Miller:

This has the fix for the wireless issues I ran into the other week as
well as:

 1) Fix CAN c_can driver transmit handling resulting in BUG check
    triggers, from AnilKumar Ch.

 2) Fix packet drop monitor sleeping in atomic context, from Eric
    Dumazet.

 3) Fix mv643xx_eth driver build regression, from Andrew Lunn.

 4) Inetpeer freeing needs an RCU grace period in order to avoid races
    during tree invalidation.  From Eric Dumazet.

 5) Fix endianness bugs in xt_HMARK netfilter module, from Hans
    Schillstrom.

 6) Add proper module refcounting to l2tp_eth to avoid crash on module
    unload, from Eric Dumazet.

 7) Fix truncation of neighbour entry dumps due to logic errors in
    neigh_dump_info() and friends, from Eric Dumazet.

 8) The conversion of fib6_age() to dst_neigh_lookup() accidently
    reversed the logic of a flags test, fix from Thomas Graf.

 9) Fix checksum configuration in newer sky2 chips, from Stephen
    Hemminger.

10) Revert BQL support in NIU driver, doesn't work.

11) l2tp_ip_sendmsg() illegally uses a route without a proper reference.
    From Eric Dumazet.

12) be2net driver references an SKB after it's potentially been freed,
    also from Eric Dumazet.

13) Fix RCU stalls in dummy net driver init.  Also from Eric Dumazet.

14) lpc_eth has several bugs in it's transmit engine leading to packet
    leaks and improper queue wakes, from Eric Dumazet.

15) Apply short DMA workaround to more tg3 chips, from Matt Carlson.

16) Add tilegx network driver.

17) Bonding queue mapping for a packet can get corrupted, fix from Eric
    Dumazet.

18) Fix bug in netpoll_send_udp() SKB management that can leave garbage
    in the payload in certain situations.  From Eric Dumazet.

19) bnx2x driver interprets chip RX checksum offload incorrectly in
    encapsulation situations.  Fix from Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (75 commits)
  bnx2x: fix checksum validation
  netpoll: fix netpoll_send_udp() bugs
  bonding: Fix corrupted queue_mapping
  bonding:record primary when modify it via sysfs
  tilegx network driver: initial support
  tg3: Apply short DMA frag workaround to 5906
  net: stmmac: Fix clock en-/disable calls
  lpc_eth: fix tx completion
  lpc_eth: add missing ndo_change_mtu()
  dummy: fix rcu_sched self-detected stalls
  net: Reorder initialization in ip_route_output to fix gcc warning
  virtio-net: fix a race on 32bit arches
  r8169: avoid NAPI scheduling delay.
  net: Make linux/tcp.h C++ friendly (trivial)
  netdev: fix drivers/net/phy/ kernel-doc warnings
  net/core: fix kernel-doc warnings
  be2net: fix a race in be_xmit()
  l2tp: fix a race in l2tp_ip_sendmsg()
  mac80211: add back channel change flag
  NFC: Fix possible NULL ptr deref when getting the name of a socket
  ...
2012-06-14 15:33:55 +03:00
Eric Dumazet
d6cb3e4138 bnx2x: fix checksum validation
bnx2x driver incorrectly sets ip_summed to CHECKSUM_UNNECESSARY on
encapsulated segments. TCP stack happily accepts frames with bad
checksums, if they are inside a GRE or IPIP encapsulation.

Our understanding is that if no IP or L4 csum validation was done by the
hardware, we should leave ip_summed as is (CHECKSUM_NONE), since
hardware doesn't provide CHECKSUM_COMPLETE support in its cqe.

Then, if IP/L4 checksumming was done by the hardware, set
CHECKSUM_UNNECESSARY if no error was flagged.

Patch based on findings and analysis from Robert Evans

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Eilon Greenstein <eilong@broadcom.com>
Cc: Yaniv Rosner <yanivr@broadcom.com>
Cc: Merav Sicron <meravs@broadcom.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Robert Evans <evansr@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-13 15:58:53 -07:00
Eric Dumazet
954fba0274 netpoll: fix netpoll_send_udp() bugs
Bogdan Hamciuc diagnosed and fixed following bug in netpoll_send_udp() :

"skb->len += len;" instead of "skb_put(skb, len);"

Meaning that _if_ a network driver needs to call skb_realloc_headroom(),
only packet headers would be copied, leaving garbage in the payload.

However the skb_realloc_headroom() must be avoided as much as possible
since it requires memory and netpoll tries hard to work even if memory
is exhausted (using a pool of preallocated skbs)

It appears netpoll_send_udp() reserved 16 bytes for the ethernet header,
which happens to work for typicall drivers but not all.

Right thing is to use LL_RESERVED_SPACE(dev)
(And also add dev->needed_tailroom of tailroom)

This patch combines both fixes.

Many thanks to Bogdan for raising this issue.

Reported-by: Bogdan Hamciuc <bogdan.hamciuc@freescale.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Tested-by: Bogdan Hamciuc <bogdan.hamciuc@freescale.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Neil Horman <nhorman@tuxdriver.com>
Reviewed-by: Neil Horman <nhorman@tuxdriver.com>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-13 15:57:31 -07:00
Linus Torvalds
790b9d4bb7 SuperH fixes for 3.5-rc3
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Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh

Pull SuperH fixes from Paul Mundt.

* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
  sh: Kill off additional asm-generic wrappers.
  sh: Setup CROSS_COMPILE at the top
  sh: Fix up link time defsym warnings.
  sh: use the new generic strnlen_user() function
  sh: switch to generic strncpy_from_user().
  sh: Kill off last dead UBC header
  serial: sh-sci: Make probe fail for ports that exceed the maximum count
  serial: sh-sci: Fix probe error paths
  clocksource: sh_tmu: Use clockevents_config_and_register().
  clocksource: sh_tmu: Convert timer lock to raw spinlock.
  clocksource: sh_mtu2: Convert timer lock to raw spinlock.
  clocksource: sh_cmt: Convert timer lock to raw spinlock.
  bug.h: need linux/kernel.h for TAINT_WARN.
  sh: convert to kbuild asm-generic support.
  sh64: Fix up fallout from generic init_task conversion.
  sh: arch/sh/kernel/process.c needs asm/fpu.h for unlazy_fpu().
2012-06-13 23:19:34 +03:00
Linus Torvalds
c02feeea3d Merge branch 'fixes-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull led fixes from Bryan Wu.

* 'fixes-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
  leds: Make LEDS_ASIC3 and LEDS_RENESAS_TPU depend on LEDS_CLASS=y
  leds: fixed a coding style issue.
  leds: don't disable blinking when writing the same value to delay_on or delay_off
2012-06-13 23:18:41 +03:00
Linus Torvalds
6ddb99043c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k update from Geert Uytterhoeven.

This makes m68k use the generic library functions for the user-space
strn[cpy|len] functions.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: Use generic strncpy_from_user(), strlen_user(), and strnlen_user()
2012-06-13 23:17:12 +03:00
Mohammed Shafi Shajakhan
bcb7ad7bcb ath9k: Fix softlockup in AR9485
steps to recreate:
load latest ath9k driver with AR9485
stop the network-manager and wpa_supplicant
bring the interface up

	Call Trace:
	[<ffffffffa0517490>] ? ath_hw_check+0xe0/0xe0 [ath9k]
	[<ffffffff812cd1e8>] __const_udelay+0x28/0x30
	[<ffffffffa03bae7a>] ar9003_get_pll_sqsum_dvc+0x4a/0x80 [ath9k_hw]
	[<ffffffffa05174eb>] ath_hw_pll_work+0x5b/0xe0 [ath9k]
	[<ffffffff810744fe>] process_one_work+0x11e/0x470
	[<ffffffff8107530f>] worker_thread+0x15f/0x360
	[<ffffffff810751b0>] ? manage_workers+0x230/0x230
	[<ffffffff81079af3>] kthread+0x93/0xa0
	[<ffffffff815fd3a4>] kernel_thread_helper+0x4/0x10
	[<ffffffff81079a60>] ? kthread_freezable_should_stop+0x70/0x70
	[<ffffffff815fd3a0>] ? gs_change+0x13/0x13

ensure that the PLL-WAR for AR9485/AR9340 is executed only if the STA is
associated (or) IBSS/AP mode had started beaconing. Ideally this WAR
is needed to recover from some rare beacon stuck during stress testing.
Before the STA is associated/IBSS had started beaconing, PLL4(0x1618c)
always seem to have zero even though we had configured PLL3(0x16188) to
query about PLL's locking status. When we keep on polling infinitely PLL4's
8th bit(ie check for PLL locking measurements is done), machine hangs
due to softlockup.

fixes https://bugzilla.redhat.com/show_bug.cgi?id=811142

Reported-by: Rolf Offermanns <rolf.offermanns@gmx.net>
Cc: stable@vger.kernel.org [3.0+]
Tested-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-13 14:09:48 -04:00
John W. Linville
1f7e010282 Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 2012-06-13 14:05:40 -04:00
Linus Torvalds
7794f709c5 Small fixes for omapdss driver. Most importantly, fixes a build problem when
debugfs or omapdss debug support is turned off, and fixes a suspend related
 crash.
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Merge tag 'omapdss-for-3.5-rc2' of git://gitorious.org/linux-omap-dss2/linux

Pull omapdss build problem fix from Tomi Valkeinen:
 "Small fixes for omapdss driver.  Most importantly, fixes a build
  problem when debugfs or omapdss debug support is turned off, and fixes
  a suspend related crash."

This has apparently been annoying rmk for a while..

* tag 'omapdss-for-3.5-rc2' of git://gitorious.org/linux-omap-dss2/linux:
  OMAPDSS: fix registration of DPI and SDI devices
  OMAPDSS: DSI: Fix bug when calculating LP command interleaving parameters
  OMAPDSS: fix bogus WARN_ON in dss_runtime_put()
  OMAPDSS: Taal: fix compilation warning
  OMAPDSS: fix build when DEBUG_FS or DSS_DEBUG_SUPPORT disabled
2012-06-13 17:57:30 +03:00
Takashi Iwai
2e8b2b29d1 ALSA: hda - Don't forget to call init verbs added by fixup list
During the split to the auto-parser helper functions, the actual call
of init verbs was lost.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43366

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-06-13 16:47:32 +02:00
David Spinadel
79543d8eec mac80211: stop polling in disassociation
Stop connection monitor poll during disassociation.
This clears the polling flags and if a scan was
deferred it will be run.

Without this fix, if a scan was deferred due to
connection monitoring while disassociation happens,
this scan blocks further scan requests until interface
down/up which causes problems connecting to another AP.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-13 10:17:55 +02:00
Eliad Peller
554a43d5e7 mac80211: check sdata_running on ieee80211_set_bitrate_mask
Otherwise, we might call the driver callback before
the interface was uploaded.

Solves the following warning:
WARNING: at net/mac80211/driver-ops.h:12 ieee80211_set_bitrate_mask+0xbc/0x18c [mac80211]()
wlan0:  Failed check-sdata-in-driver check, flags: 0x0
Modules linked in: wlcore_sdio wl12xx wl18xx wlcore mac80211 cfg80211 [last unloaded: cfg80211]
[<c001b964>] (unwind_backtrace+0x0/0x12c) from [<c0495550>] (dump_stack+0x20/0x24)
[<c0495550>] (dump_stack+0x20/0x24) from [<c003ee28>] (warn_slowpath_common+0x5c/0x74)
[<c003ee28>] (warn_slowpath_common+0x5c/0x74) from [<c003eefc>] (warn_slowpath_fmt+0x40/0x48)
[<c003eefc>] (warn_slowpath_fmt+0x40/0x48) from [<bf5c1ad0>] (ieee80211_set_bitrate_mask+0xbc/0x18c [mac80211])
[<bf5c1ad0>] (ieee80211_set_bitrate_mask+0xbc/0x18c [mac80211]) from [<bf575960>] (nl80211_set_tx_bitrate_mask+0x350/0x358 [cfg80211])
[<bf575960>] (nl80211_set_tx_bitrate_mask+0x350/0x358 [cfg80211]) from [<c03e9e94>] (genl_rcv_msg+0x1a8/0x1e8)
[<c03e9e94>] (genl_rcv_msg+0x1a8/0x1e8) from [<c03e9164>] (netlink_rcv_skb+0x5c/0xc0)
[<c03e9164>] (netlink_rcv_skb+0x5c/0xc0) from [<c03e9ce0>] (genl_rcv+0x28/0x34)
[<c03e9ce0>] (genl_rcv+0x28/0x34) from [<c03e8e74>] (netlink_unicast+0x158/0x234)
[<c03e8e74>] (netlink_unicast+0x158/0x234) from [<c03e93e0>] (netlink_sendmsg+0x218/0x298)
[<c03e93e0>] (netlink_sendmsg+0x218/0x298) from [<c03b4e5c>] (sock_sendmsg+0xa4/0xc0)
[<c03b4e5c>] (sock_sendmsg+0xa4/0xc0) from [<c03b5af4>] (__sys_sendmsg+0x1d8/0x254)
[<c03b5af4>] (__sys_sendmsg+0x1d8/0x254) from [<c03b5ca8>] (sys_sendmsg+0x4c/0x70)
[<c03b5ca8>] (sys_sendmsg+0x4c/0x70) from [<c0013980>] (ret_fast_syscall+0x0/0x3c)

Note that calling the driver can also result
in undefined behaviour since it doesn't have
to deal with calls while down.

Signed-off-by: Eliad Peller <eliad@wizery.com>
[removed timestamps, added note - Johannes]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-13 10:17:54 +02:00
Eliad Peller
fe20b39ec3 cfg80211: fix potential deadlock in regulatory
reg_timeout_work() calls restore_regulatory_settings() which
takes cfg80211_mutex.

reg_set_request_processed() already holds cfg80211_mutex
before calling cancel_delayed_work_sync(reg_timeout),
so it might deadlock.

Call the async cancel_delayed_work instead, in order
to avoid the potential deadlock.

This is the relevant lockdep warning:

cfg80211: Calling CRDA for country: XX

======================================================
[ INFO: possible circular locking dependency detected ]
3.4.0-rc5-wl+ #26 Not tainted
-------------------------------------------------------
kworker/0:2/1391 is trying to acquire lock:
 (cfg80211_mutex){+.+.+.}, at: [<bf28ae00>] restore_regulatory_settings+0x34/0x418 [cfg80211]

but task is already holding lock:
 ((reg_timeout).work){+.+...}, at: [<c0059e94>] process_one_work+0x1f0/0x480

which lock already depends on the new lock.

the existing dependency chain (in reverse order) is:

-> #2 ((reg_timeout).work){+.+...}:
       [<c008fd44>] validate_chain+0xb94/0x10f0
       [<c0090b68>] __lock_acquire+0x8c8/0x9b0
       [<c0090d40>] lock_acquire+0xf0/0x114
       [<c005b600>] wait_on_work+0x4c/0x154
       [<c005c000>] __cancel_work_timer+0xd4/0x11c
       [<c005c064>] cancel_delayed_work_sync+0x1c/0x20
       [<bf28b274>] reg_set_request_processed+0x50/0x78 [cfg80211]
       [<bf28bd84>] set_regdom+0x550/0x600 [cfg80211]
       [<bf294cd8>] nl80211_set_reg+0x218/0x258 [cfg80211]
       [<c03c7738>] genl_rcv_msg+0x1a8/0x1e8
       [<c03c6a00>] netlink_rcv_skb+0x5c/0xc0
       [<c03c7584>] genl_rcv+0x28/0x34
       [<c03c6720>] netlink_unicast+0x15c/0x228
       [<c03c6c7c>] netlink_sendmsg+0x218/0x298
       [<c03933c8>] sock_sendmsg+0xa4/0xc0
       [<c039406c>] __sys_sendmsg+0x1e4/0x268
       [<c0394228>] sys_sendmsg+0x4c/0x70
       [<c0013840>] ret_fast_syscall+0x0/0x3c

-> #1 (reg_mutex){+.+.+.}:
       [<c008fd44>] validate_chain+0xb94/0x10f0
       [<c0090b68>] __lock_acquire+0x8c8/0x9b0
       [<c0090d40>] lock_acquire+0xf0/0x114
       [<c04734dc>] mutex_lock_nested+0x48/0x320
       [<bf28b2cc>] reg_todo+0x30/0x538 [cfg80211]
       [<c0059f44>] process_one_work+0x2a0/0x480
       [<c005a4b4>] worker_thread+0x1bc/0x2bc
       [<c0061148>] kthread+0x98/0xa4
       [<c0014af4>] kernel_thread_exit+0x0/0x8

-> #0 (cfg80211_mutex){+.+.+.}:
       [<c008ed58>] print_circular_bug+0x68/0x2cc
       [<c008fb28>] validate_chain+0x978/0x10f0
       [<c0090b68>] __lock_acquire+0x8c8/0x9b0
       [<c0090d40>] lock_acquire+0xf0/0x114
       [<c04734dc>] mutex_lock_nested+0x48/0x320
       [<bf28ae00>] restore_regulatory_settings+0x34/0x418 [cfg80211]
       [<bf28b200>] reg_timeout_work+0x1c/0x20 [cfg80211]
       [<c0059f44>] process_one_work+0x2a0/0x480
       [<c005a4b4>] worker_thread+0x1bc/0x2bc
       [<c0061148>] kthread+0x98/0xa4
       [<c0014af4>] kernel_thread_exit+0x0/0x8

other info that might help us debug this:

Chain exists of:
  cfg80211_mutex --> reg_mutex --> (reg_timeout).work

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock((reg_timeout).work);
                               lock(reg_mutex);
                               lock((reg_timeout).work);
  lock(cfg80211_mutex);

 *** DEADLOCK ***

2 locks held by kworker/0:2/1391:
 #0:  (events){.+.+.+}, at: [<c0059e94>] process_one_work+0x1f0/0x480
 #1:  ((reg_timeout).work){+.+...}, at: [<c0059e94>] process_one_work+0x1f0/0x480

stack backtrace:
[<c001b928>] (unwind_backtrace+0x0/0x12c) from [<c0471d3c>] (dump_stack+0x20/0x24)
[<c0471d3c>] (dump_stack+0x20/0x24) from [<c008ef70>] (print_circular_bug+0x280/0x2cc)
[<c008ef70>] (print_circular_bug+0x280/0x2cc) from [<c008fb28>] (validate_chain+0x978/0x10f0)
[<c008fb28>] (validate_chain+0x978/0x10f0) from [<c0090b68>] (__lock_acquire+0x8c8/0x9b0)
[<c0090b68>] (__lock_acquire+0x8c8/0x9b0) from [<c0090d40>] (lock_acquire+0xf0/0x114)
[<c0090d40>] (lock_acquire+0xf0/0x114) from [<c04734dc>] (mutex_lock_nested+0x48/0x320)
[<c04734dc>] (mutex_lock_nested+0x48/0x320) from [<bf28ae00>] (restore_regulatory_settings+0x34/0x418 [cfg80211])
[<bf28ae00>] (restore_regulatory_settings+0x34/0x418 [cfg80211]) from [<bf28b200>] (reg_timeout_work+0x1c/0x20 [cfg80211])
[<bf28b200>] (reg_timeout_work+0x1c/0x20 [cfg80211]) from [<c0059f44>] (process_one_work+0x2a0/0x480)
[<c0059f44>] (process_one_work+0x2a0/0x480) from [<c005a4b4>] (worker_thread+0x1bc/0x2bc)
[<c005a4b4>] (worker_thread+0x1bc/0x2bc) from [<c0061148>] (kthread+0x98/0xa4)
[<c0061148>] (kthread+0x98/0xa4) from [<c0014af4>] (kernel_thread_exit+0x0/0x8)
cfg80211: Calling CRDA to update world regulatory domain
cfg80211: World regulatory domain updated:
cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
cfg80211:   (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)

Cc: stable@kernel.org
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-13 10:17:53 +02:00
Paul Mundt
380622e9ff Merge branches 'sh/urgent', 'sh/core', 'sh/clockevents', 'sh/asm-generic' and 'sh/trivial' into sh-fixes-for-linus 2012-06-13 12:01:33 +09:00
Paul Mundt
1318002aeb sh: Kill off additional asm-generic wrappers.
A few wrappers were overlooked in the initial conversion, take care of
them now.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-13 11:59:47 +09:00
Geert Uytterhoeven
d14a5fdc26 sh: Setup CROSS_COMPILE at the top
CROSS_COMPILE must be setup before using e.g. cc-option (and a few other
as-*, cc-*, ld-* macros), else they will check against the wrong compiler
when cross-compiling, and may invoke the cross compiler with wrong or
suboptimal compiler options.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: linux-sh@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-13 11:42:13 +09:00
Paul Mundt
8e780be960 sh: Fix up link time defsym warnings.
sh-linux-gnu-ld:--defsym 'jiffies=jiffies_64': ignoring invalid character `'' in expression

For some reason ld has recently started complaining about the quotes, so just
get rid of them, we don't need them for anything anyways.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-13 11:36:36 +09:00
Paul Mundt
cba8df4be3 sh: use the new generic strnlen_user() function
This discards both the _32 and _64 versions in favour of the consolidated
generic one.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-13 10:28:37 +09:00
Paul Mundt
0e100e11bd sh: switch to generic strncpy_from_user().
This kills off the special sh32/64 versions and adopts the generic
version. It should be possible to optimize this for SH-4A unaligned
loads, but this is a corner case that can be supported incrementally.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-13 10:28:16 +09:00
Paul Bolle
74ca4313bd sh: Kill off last dead UBC header
Commit 7025bec912 ("sh: Kill off dead UBC
headers.") skipped arch/sh/include/cpu-sh2a/cpu/ubc.h. Since nothing is
using that header either, kill it off too.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-13 10:22:13 +09:00
Laurent Pinchart
b6c5ef6f6d serial: sh-sci: Make probe fail for ports that exceed the maximum count
The driver supports a maximum number of ports configurable at compile
time. Make sure the probe() method fails when registering a port that
exceeds the maximum instead of returning success without registering the
port.

This fixes a crash at system suspend time, when the driver tried to
suspend a non-registered port using the UART core.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-13 10:22:10 +09:00
Laurent Pinchart
6dae14216c serial: sh-sci: Fix probe error paths
When probing fails, the driver must not try to cleanup resources that
have not been initialized. Fix this.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-13 10:22:08 +09:00
Eric Dumazet
5ee31c6898 bonding: Fix corrupted queue_mapping
In the transmit path of the bonding driver, skb->cb is used to
stash the skb->queue_mapping so that the bonding device can set its
own queue mapping.  This value becomes corrupted since the skb->cb is
also used in __dev_xmit_skb.

When transmitting through bonding driver, bond_select_queue is
called from dev_queue_xmit.  In bond_select_queue the original
skb->queue_mapping is copied into skb->cb (via bond_queue_mapping)
and skb->queue_mapping is overwritten with the bond driver queue.

Subsequently in dev_queue_xmit, __dev_xmit_skb is called which writes
the packet length into skb->cb, thereby overwriting the stashed
queue mappping.  In bond_dev_queue_xmit (called from hard_start_xmit),
the queue mapping for the skb is set to the stashed value which is now
the skb length and hence is an invalid queue for the slave device.

If we want to save skb->queue_mapping into skb->cb[], best place is to
add a field in struct qdisc_skb_cb, to make sure it wont conflict with
other layers (eg : Qdiscc, Infiniband...)

This patchs also makes sure (struct qdisc_skb_cb)->data is aligned on 8
bytes :

netem qdisc for example assumes it can store an u64 in it, without
misalignment penalty.

Note : we only have 20 bytes left in (struct qdisc_skb_cb)->data[].
The largest user is CHOKe and it fills it.

Based on a previous patch from Tom Herbert.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Tom Herbert <therbert@google.com>
Cc: John Fastabend <john.r.fastabend@intel.com>
Cc: Roland Dreier <roland@kernel.org>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-12 15:29:21 -07:00
Weiping Pan
8a93664df9 bonding:record primary when modify it via sysfs
If we modify primary via sysfs and it is not a valid slave,
we should record it for future use, and this behavior is the same with
bond_check_params().

Signed-off-by: Weiping Pan <wpan@redhat.com>
Acked-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-12 15:23:11 -07:00
David S. Miller
5aa04d3af8 Merge branch 'master' of git://1984.lsi.us.es/net 2012-06-12 15:18:15 -07:00
Avinash Patil
6ddcd46463 mwifiex: fix incorrect privacy setting in beacon and probe response
Test procedure:
1. Start AP with security setting (e.g. WPA2)
2. Stop AP
3. Start AP with open security

Here it's observed that privacy is enabled in beacons and
probe responses.

This patch fixes it by checking the privacy parameter from
cfg80211_ap_settings. If privacy is not set in cfg80211_ap_settings,
set open authentication and no encryption in FW.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-12 14:41:00 -04:00
David Henningsson
edfe3bfc1b ALSA: HDA: Pin fixup for Zotac Z68 motherboard
Pin 0x1b was connected to the front panel connector, which according to
the HDA standard should contain a mic and a headphone. In this case,
the headphone was listed as "line out" by BIOS.

Cc: stable@kernel.org
BugLink: https://bugs.launchpad.net/bugs/993162
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-06-12 17:55:46 +02:00
Vinod Koul
8b21460ac6 ALSA: compress_core: cleanup pointers on stop
as the start can be called after stop again, we need to reset state

Signed-off-by: Namarta Kohli <namartax.kohli@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-06-12 17:55:02 +02:00
Vinod Koul
6b18f79399 ALSA: compress_core: don't wake up on pause
during pause the core should maintain the status-quo on the device and pointers
and not wake up. If app needs it should call DROP explcitly.

Signed-off-by: Namarta Kohli <namartax.kohli@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-06-12 17:54:42 +02:00
Linus Torvalds
94fa83c424 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "As per your -rc2 announce, this is small and urgent only,

  The radeon one is for a regression in 3.4 so we need this one in your
  tree so we can send the stable one out, code in 3.4 broke some old
  userspaces.  The max props increase fixes spew being seen on a few
  machines.  And a ttm regression to fix some accounting issues that
  affect vmwgfx."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/ttm: Fix buffer object metadata accounting regression v2
  drm: increase DRM_OBJECT_MAX_PROPERTY to 24
  drm/radeon: fix tiling and command stream checking on evergreen v3
2012-06-12 18:48:17 +03:00
Linus Torvalds
266ae4e615 fix unbalanced wb->list_lock in 3.5-rc1
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Merge tag 'writeback-lock-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux

Pull writeback locking fix from Wu Fengguang:
 "fix unbalanced wb->list_lock in 3.5-rc1"

* tag 'writeback-lock-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:
  writeback: Fix lock imbalance in writeback_sb_inodes()
2012-06-12 18:28:58 +03:00
Thomas Hellstrom
a393c730ab drm/ttm: Fix buffer object metadata accounting regression v2
A regression was introduced in the 3.3 rc series, commit
"drm/ttm: simplify memory accounting for ttm user v2",
causing the metadata of buffer objects created using the ttm_bo_create()
function to be accounted twice.
That causes massive leaks with the vmwgfx driver running for example
SpecViewperf Catia-03 test 2, eventually killing the app.

Furthermore, the same commit introduces a regression where
metadata accounting is leaked if a buffer object is
initialized with an illegal size. This is also fixed with this commit.

v2: Fixed an error path and removed an unused variable.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-12 15:57:47 +01:00
Paulo Zanoni
fe45616805 drm: increase DRM_OBJECT_MAX_PROPERTY to 24
Before Kernel 3.5, no one was checking for the return value of
drm_connector_attach_property, so we never noticed that we were unable
to create some properties. Commit "drm: WARN() when
drm_connector_attach_property fails" added a WARN when we fail to
create a property, and the transition from "connector properties" to
"object properties" changed the warning message a little bit.

On i915 machines with many TV connectors we hit the maximum number of
properties (since each TV connector uses a lot of properties), so we
get a few backtraces in our logs. This commit increases the maximum
number of properties to 24 hoping we'll have enough room for
everybody.

Chris suggested that we convert this code to "lists", but I believe
this conversion can come after we make sure people's dmesgs are not
spammed by our driver.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reported-by: Dave Jones <davej@redhat.com>
Tested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-12 15:36:31 +01:00
Devendra Naga
149ff9e1f2 pinctrl: pinctrl-mxs: set platform driver data to NULL at errpath and at unregister
clear the platform data pointer when mxs_pinctrl_probe_dt fails,
and also before the unregistering with pinctrl subsystem.

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-06-12 16:26:08 +02:00
Devendra Naga
0bf7481852 pinctrl: pinctrl-mxs: Take care of frees if the kzalloc fails
if there is no purecfg , the group pointer is allocated using kzalloc and if it
fails to allocate, we wont free the new_map,

if config is true, we call kmemdup and if it
fails to do so we wont free the allocated group if there is no purecfg.

fix this by doing the frees of new_map pointer and group pointers.

Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-06-12 16:25:56 +02:00
Ashok Nagarajan
1dd45581e6 mac80211: add missing kernel-doc
Add a few kernel-doc descriptions that were missed
during mesh development.

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Ashok Nagarajan <ashok@cozybit.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-06-12 13:56:41 +02:00
Dong Aisheng
67695f2eae pinctrl: pinctrl-imx: fix incorrect debug message of maps
After create config map, the new_map pointer becomes point to
PIN_MAP_TYPE_CONFIGS_PIN map rather than PIN_MAP_TYPE_MUX_GROUP map any more.
Thus using new_map pointer to display the MUX_GROUP info is not correct.
Using map pointer instead to show the correct MUX_GROUP map info.
Original the debug message is:
imx6q-pinctrl 20e0000.iomuxc: maps: function Yp group MX6Q_PAD_SD3_CMD num 12
After fix it is:
imx6q-pinctrl 20e0000.iomuxc: maps: function usdhc3 group usdhc3grp-1 num 11

Reported-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-06-12 13:35:33 +02:00
Devendra Naga
c71157c54a pinctrl: pinctrl-imx: free if of_get_parent fails to get the parent node
of_get_parent can return null if no parent node found, so the allocated new_map
should be freed.

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-06-12 13:35:32 +02:00
Devendra Naga
3a86a5f8ab pinctrl: pinctrl-imx: free allocated pinctrl_map structure only once and use kernel facilities for IMX_PMX_DUMP
a) as we allocate the pinctrl_map structure at imx_dt_node_to_map at  line 167, anyway
   if its an element, or a num_elements * (sizeof(type)) elements allocated to one single
   pointer must be freed only once.

CASE. A)

as new_map is not moved and allocated like,

for (i = 0; i < MAX_ELEMS; i++) {
    new_map[i] = kmalloc(numelems * size, GFP_KERNEL);
}

its freed as

for (i = 0; i < MAX_ELEMS; i++) {
    kfree(new_map[i]);
}

CASE. B)
and its allocated like
        new_map = kmalloc(numelems * size, GFP_KERNEL);

it just needs kfree not as case A's.

b) use KERN_DEBUG facility for the IMX_PMX_DUMP macro.

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-06-12 13:35:32 +02:00
Linus Walleij
e85bbc19d5 pinctrl: nomadik: fix up typo
Commit a60b57edda
"drivers/gpio: gpio-nomadik: Add support for irqdomains"
changed GPIO offset calculations to have this form:
(gpio % NMK_GPIO_PER_CHIP) except in this one place for
setting sleep mode, where the conversion was all wrong, and
instead mod:ing the GPIO with the IRQ base which does not
make any sense.

So fix this up so we can use sleepmode.

Reviewed-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
2012-06-12 13:35:24 +02:00
Linus Walleij
efec381ced pinctrl: nomadik: add clk_prepare() call
We now strictly require clk_prepare() calls to be issued before
any clk_enable() calls.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-06-12 12:57:07 +02:00
Linus Torvalds
7452ca511c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu from Greg Ungerer:
 "This contains five fixes.  Four fix build problems introduced by
  recent clean up and merging of the m68k timer and ptrace code.  The
  other fixes the 528x ColdFire CPU QSPI base address definition, missed
  in the ColdFire QSPI cleanup."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68k: make syscall_trace_enter/leave exist for non-MMU classic m68k types
  m68knommu: fix 68360 local setting of timer interrupt handler
  m68knommu: fix 68328 local setting of timer interrupt handler
  m68k: fix inclusion of arch_gettimeoffset for non-MMU 68k classic CPU types
  m68knommu: m528x qspi definition fix
2012-06-12 07:39:58 +03:00
Randy Dunlap
b84297197c exofs: fix sparse non-ANSI function warning
Fix sparse non-ANSI function warning:

  fs/exofs/sys.c:112:28: warning: non-ANSI function declaration of function 'exofs_sysfs_dbg_print'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-12 06:33:22 +03:00
Axel Lin
9473c4c167 leds: Make LEDS_ASIC3 and LEDS_RENESAS_TPU depend on LEDS_CLASS=y
Otherwise, I got below build error when CONFIG_LEDS_CLASS=m.

  LD      init/built-in.o
drivers/built-in.o: In function `asic3_led_probe':
clkdev.c:(.devinit.text+0x4680): undefined reference to `led_classdev_register'
drivers/built-in.o: In function `r_tpu_probe':
clkdev.c:(.devinit.text+0x4838): undefined reference to `led_classdev_register'
drivers/built-in.o: In function `asic3_led_remove':
clkdev.c:(.devexit.text+0x564): undefined reference to `led_classdev_unregister'
drivers/built-in.o: In function `r_tpu_remove':
clkdev.c:(.devexit.text+0x5a0): undefined reference to `led_classdev_unregister'
make: *** [vmlinux] Error 1

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-06-12 10:56:25 +08:00
Jeffrin Jose
9cd5ec5e54 leds: fixed a coding style issue.
Fixed a coding style issue relating to trailing
white space error found by checkpatch.pl tool in drivers/leds/led-class.c

Signed-off-by: Jeffrin Jose <ahiliation@yahoo.co.in>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-06-12 10:56:24 +08:00