Commit Graph

288532 Commits

Author SHA1 Message Date
Ulrich Weber
d1d81d4c3d bridge: check return value of ipv6_dev_get_saddr()
otherwise source IPv6 address of ICMPV6_MGM_QUERY packet
might be random junk if IPv6 is disabled on interface or
link-local address is not yet ready (DAD).

Signed-off-by: Ulrich Weber <ulrich.weber@sophos.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-05 16:45:34 -05:00
Johannes Berg
182ada1c71 iwlwifi: fix wowlan suspend
This was broken by the commit 023ca58f1
"iwlwifi: Move the core suspend function to iwl-agn-lib"
where for some reason the code changed while moving,
from
	.len[0] = sizeof(*key_data.rsc_tsc),
to
	.len[0] = sizeof(key_data.rsc_tsc),

Cc: stable@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-05 14:44:39 -05:00
Linus Torvalds
550cf00dbc MMC fixes for 3.3:
* atmel-mci: oops fix against regression introduced in 3.2
 * core: power saving regression fix against 3.3-rc1
 * core: suspend/resume fix for UHS-I cards
 * esdhc-imx: MMC card regression fix against 3.0
 * mmci: oops fix for ARM systems with large (64k) pages
 * MAINTAINERS update for atmel-mci.
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Merge tag 'mmc-fixes-for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc

MMC fixes from Chris Ball for 3.3:
 - atmel-mci: oops fix against regression introduced in 3.2
 - core: power saving regression fix against 3.3-rc1
 - core: suspend/resume fix for UHS-I cards
 - esdhc-imx: MMC card regression fix against 3.0
 - mmci: oops fix for ARM systems with large (64k) pages
 - MAINTAINERS update for atmel-mci.

* tag 'mmc-fixes-for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
  mmc: core: Fixup suspend/resume issues for UHS-I cards
  mmc: mmci: reduce max_blk_count to avoid overflowing max_req_size
  mmc: sdhci-esdhc-imx: fix for mmc cards on i.MX5
  mmc: core: fix regression: set default clock gating delay to 0
  MAINTAINERS: hand over atmel-mci (sd/mmc interface)
  mmc: atmel-mci: don't use dma features when using DMA with no chan available
2012-03-05 08:51:10 -08:00
Linus Torvalds
5d329e245f Merge branch 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull from Jiri Kosina:
 "Please pull to receive updates for HID layer.  Nikolai's patch is
  rather important and should still go in for 3.3, as it's a regression
  fix for commit b4b583d."

* 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: hid-input: allow array fields out of range
  HID: usbhid: Add NOGET quirk for the AIREN Slim+ keyboard
2012-03-05 08:48:24 -08:00
Ohad Ben-Cohen
134d12fae0 ARM: OMAP: fix iommu, not mailbox
For some weird (freudian?) reason, commit 435792d "ARM: OMAP: make
iommu subsys_initcall to fix builtin omap3isp" unintentionally changed
the mailbox's initcall instead of the iommu's.

Fix that.

Reported-by: Fernando Guzman Lugo <fernando.lugo@ti.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Joerg Roedel <Joerg.Roedel@amd.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-03-05 15:18:20 +01:00
Alan Cox
91982b58d3 drm/gma500: Fix Cedarview boot failures in 3.3-rc
Production GMA3600/3650 hardware turns out to be subtly different to the
development platforms. This combined with a minor driver bug is causing
the kernel to hang on these platforms.

This patch does the following

- turn down a couple of messages that were meant to be debug and are
  causing much confusion

- ensure the hotplug interrupt is disabled on Cedartrail systems.

- fix a bug where gtt roll mode called psbfb_sync, which tries to sync
  the 2D engine. On other devices it is harmless as the 2D engine is
  present but not in use when in gtt roll mode, on Cedartrail it causes
  a hang

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-03-05 14:08:31 +00:00
Axel Lin
4adf9beda5 regulator: Fix mask parameter in da9052_reg_update calls
If the mask parameter is 0, info->activate_bit bit won't be set by
calling da9052_reg_update.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-05 12:28:58 +00:00
Nikolai Kondrashov
883e0e3662 HID: hid-input: allow array fields out of range
Allow array field values out of range as per HID 1.11 specification,
section 6.2.25:

	Rather than returning a single bit for each button in the group, an
	array returns an index in each field that corresponds to the pressed
	button (like keyboard scan codes). An out-of range value in and array
	field is considered no controls asserted.

Apparently, "and" above is a typo and should be "an".

This fixes at least Waltop tablet pen clicks - otherwise BTN_TOUCH is never
released.

The relevant part of Waltop tablet report descriptors is this:

	0x09, 0x42,         /*          Usage (Tip Switch),         */
	0x09, 0x44,         /*          Usage (Barrel Switch),      */
	0x09, 0x46,         /*          Usage (Tablet Pick),        */
	0x15, 0x01,         /*          Logical Minimum (1),        */
	0x25, 0x03,         /*          Logical Maximum (3),        */
	0x75, 0x04,         /*          Report Size (4),            */
	0x95, 0x01,         /*          Report Count (1),           */
	0x80,               /*          Input,                      */

This is a regression fix for commit b4b583d ("HID: be more strict when
ignoring out-of-range fields").

Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-03-05 10:28:58 +01:00
Ingo Molnar
b7c924274c Cherry picked fixes from perf/core, together with the kernel fix (1018faa),
the sampling tools (top, record) are back working on AMD systems.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Cherry picked fixes from perf/core, together with the kernel fix (1018faa),
the sampling tools (top, record) are back working on AMD systems.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2012-03-05 09:05:44 +01:00
Eric Dumazet
a4b64fbe48 rtnetlink: fix rtnl_calcit() and rtnl_dump_ifinfo()
nlmsg_parse() might return an error, so test its return value before
potential random memory accesses.

Errors introduced in commit 115c9b8192 (rtnetlink: Fix problem with
buffer allocation)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-04 22:02:55 -05:00
Joakim Tjernlund
709e1b5cd9 bridge: message age needs to increase, not decrease.
commit bridge: send proper message_age in config BPDU
added this gem:
  bpdu.message_age = (jiffies - root->designated_age)
  p->designated_age = jiffies + bpdu->message_age;
Notice how bpdu->message_age is negated when reassigned to
bpdu.message_age. This causes message age to decrease breaking the
STP protocol.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-04 21:57:40 -05:00
Joakim Tjernlund
aaca735f4f bridge: Adjust min age inc for HZ > 256
min age increment needs to round up its min age tick for all
HZ values to guarantee message age is increasing.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-04 21:57:39 -05:00
Linus Torvalds
a5939eefdc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
MFD fixes from Samuel Ortiz:
 "This is the pull request for the MFD fixes for 3.3.  We have a few
  NULL pointer dereferences fixes, an ACPI conflict check fix, and a
  couple of wm8994 fixes."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
  mfd: Correct readability of WM8994 DC servo 4E register
  mfd: Initialize tps65912 irq platform data properly
  mfd: Fix ACPI conflict check
  mfd: Fix ab8500 error path bug
  mfd: Test for jack detection when deciding if wm8994 should suspend
  mfd: Initialize tps65910 irq platform data properly
  mfd: Fix possible s5m null pointer dereference
  mfd: wm8350 variable dereferenced before check
2012-03-04 17:10:06 -08:00
Linus Torvalds
5483f18e98 vfs: move dentry_cmp from <linux/dcache.h> to fs/dcache.c
It's only used inside fs/dcache.c, and we're going to play games with it
for the word-at-a-time patches.  This time we really don't even want to
export it, because it really is an internal function to fs/dcache.c, and
has been since it was introduced.

Having it in that extremely hot header file (it's included in pretty
much everything, thanks to <linux/fs.h>) is a disaster for testing
different versions, and is utterly pointless.

We really should have some kind of header file diet thing, where we
figure out which parts of header files are really better off private and
only result in more expensive compiles.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-04 15:51:42 -08:00
Konstantin Khlebnikov
adb795062f percpu: fix __this_cpu_{sub,inc,dec}_return() definition
This patch adds missed "__" prefixes, otherwise these functions
works as irq/preemption safe.

Reported-by: Torsten Kaiser <just.for.lkml@googlemail.com>
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
2012-03-04 09:34:15 -08:00
Ulf Hansson
e7747475b6 mmc: core: Fixup suspend/resume issues for UHS-I cards
Even if cards supports 1.8V I/O voltage those should anyway be
initialized at 3.3V I/O according to (e)MMC, SD and SDIO specs.
Some eMMC and embedded SDIO devices are able to be initialized
at 1.8V as well, but it is better to be safe.

Do note that initialization in this context means that the card
has been completely powered off, otherwise the card will remain
at the last I/O voltage level that were negotitiated.

Due to the above being taken care of the suspend/resume issues
for UHS-I SD-cards has been fixed.

Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com>
Acked-by: Philip Rakity <prakity@marvell.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-04 12:25:15 -05:00
Will Deacon
8f7f6b7e46 mmc: mmci: reduce max_blk_count to avoid overflowing max_req_size
On a system with large pages (64k in my case), the following BUG is
triggered in MMC core:

[    2.338023] BUG: failure at drivers/mmc/core/core.c:221/mmc_start_request()!
[    2.338102] Kernel panic - not syncing: BUG!
[    2.338155] Call trace:
[    2.338228] [<ffffffc00008635c>] dump_backtrace+0x0/0x120
[    2.338317] [<ffffffc0003365ec>] dump_stack+0x14/0x1c
[    2.338403] [<ffffffc000336990>] panic+0xbc/0x1f0
[    2.338498] [<ffffffc00027a494>] mmc_start_request+0x154/0x184
[    2.338600] [<ffffffc00027abdc>] mmc_start_req+0x110/0x140
[    2.338701] [<ffffffc00028604c>] mmc_blk_issue_rw_rq+0x7c/0x39c
[    2.338804] [<ffffffc00028652c>] mmc_blk_issue_rq+0x1c0/0x468
[    2.338905] [<ffffffc000287564>] mmc_queue_thread+0x68/0x118
[    2.338995] [<ffffffc0000bc308>] kthread+0x84/0x8c

This is because of a 64k request with a max_req_size of 64k-1 bytes.

The following patch fixes the problem by limiting the max_blk_count
such that max_blk_count * max_blk_size == max_req_size. I couldn't
pursuade the compiler to emit a shift instead of a div without encoding
the shift explicitly.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-04 12:25:14 -05:00
Sascha Hauer
5b6b0ad6e5 mmc: sdhci-esdhc-imx: fix for mmc cards on i.MX5
On i.MX53 we have to write a special SDHCI_CMD_ABORTCMD to the
SDHCI_TRANSFER_MODE register during a MMC_STOP_TRANSMISSION
command. This works for SD cards. However, with MMC cards
the MMC_SET_BLOCK_COUNT command is used instead, but this
needs the same handling. Fix MMC cards by testing for the
MMC_SET_BLOCK_COUNT command aswell. Tested on a custom i.MX53
board with a Transcend MMC+ card and eMMC.

The kernel started used MMC_SET_BLOCK_COUNT in 3.0, so this
is a regression for these boards introduced in 3.0; it should
go to 3.0/3.1/3.2-stable.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-04 12:25:02 -05:00
Guennadi Liakhovetski
c84f15aed2 mmc: core: fix regression: set default clock gating delay to 0
A recent commit "mmc: core: Use delayed work in clock gating framework"
(597dd9d79c) introduced a default 200ms delay before clock gating
actually takes place.  This means that every time an MMC interface
becomes idle it first stays on for 200ms before gating its clock. This
leads to increased power consumption and is therefore a clear regression.
This patch restores the original behaviour by setting the default delay
to 0. Users prioritising throughput over power efficiency can still
modify the delay via sysfs.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-04 12:18:40 -05:00
Nicolas Ferre
24e1511f67 MAINTAINERS: hand over atmel-mci (sd/mmc interface)
Modify MAINTAINERS entry for Atmel SD/MMC drivers.
I hand the atmel-mci and at91_mci drivers over to Ludovic.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-04 12:18:39 -05:00
Takashi Iwai
019ae33410 A driver specific fix that wasn't noticed as the OpenMoko guys have been
stuck on 2.6.39 for a very long time now and are just starting to catch
 up again.
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Merge tag 'asoc-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

A driver specific fix that wasn't noticed as the OpenMoko guys have been
stuck on 2.6.39 for a very long time now and are just starting to catch
up again.
2012-03-04 16:13:58 +01:00
Denis 'GNUtoo' Carikli
b2ccf065f7 ASoC: neo1973: fix neo1973 wm8753 initialization
The neo1973 driver had wrong codec name which prevented the "sound card"
from appearing.

Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
2012-03-04 14:30:18 +00:00
Linus Torvalds
192cfd5877 Linux 3.3-rc6 2012-03-03 17:08:09 -08:00
Linus Torvalds
8482a0abe9 SCSI fixes on 20120303
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6

SCSI fixes from James Bottomley:
 "There's just a single fix in here: the osd max device number fix."

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
  [SCSI] osd_uld: Bump MAX_OSD_DEVICES from 64 to 1,048,576
2012-03-03 16:42:30 -08:00
Linus Torvalds
233ba2c5ff PARISC fixes on 20120303
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Merge tag 'parisc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6

PARISC fixes from James Bottomley:
 "This is a set of build fixes to get the cross compiled architecture
  testbeds building again"

* tag 'parisc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6:
  [PARISC] don't unconditionally override CROSS_COMPILE for 64 bit.
  [PARISC] include <linux/prefetch.h> in drivers/parisc/iommu-helpers.h
  [PARISC] fix compile break caused by iomap: make IOPORT/PCI mapping functions conditional
2012-03-03 16:33:51 -08:00
Neal Cardwell
c0638c247f tcp: don't fragment SACKed skbs in tcp_mark_head_lost()
In tcp_mark_head_lost() we should not attempt to fragment a SACKed skb
to mark the first portion as lost. This is for two primary reasons:

(1) tcp_shifted_skb() coalesces adjacent regions of SACKed skbs. When
doing this, it preserves the sum of their packet counts in order to
reflect the real-world dynamics on the wire. But given that skbs can
have remainders that do not align to MSS boundaries, this packet count
preservation means that for SACKed skbs there is not necessarily a
direct linear relationship between tcp_skb_pcount(skb) and
skb->len. Thus tcp_mark_head_lost()'s previous attempts to fragment
off and mark as lost a prefix of length (packets - oldcnt)*mss from
SACKed skbs were leading to occasional failures of the WARN_ON(len >
skb->len) in tcp_fragment() (which used to be a BUG_ON(); see the
recent "crash in tcp_fragment" thread on netdev).

(2) there is no real point in fragmenting off part of a SACKed skb and
calling tcp_skb_mark_lost() on it, since tcp_skb_mark_lost() is a NOP
for SACKed skbs.

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Acked-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Nandita Dukkipati <nanditad@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-03 14:57:59 -05:00
Dan Carpenter
ea5f4db8ec block, sx8: fix pointer math issue getting fw version
"mem" is type u8.  We need parenthesis here or it screws up the pointer
math probably leading to an oops.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@kernel.org
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-03-03 19:44:39 +01:00
Linus Torvalds
001f3a4887 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/kvm: Fix Host-Only/Guest-Only counting with SVM disabled
2012-03-03 09:32:31 -08:00
Linus Torvalds
2ce3f2b3b1 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull from Herbert Xu:
  "This push fixes a bug in mv_cesa that causes all hash operations
   that supply data on a final operation to fail."

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: mv_cesa - fix final callback not ignoring input data
2012-03-03 09:31:49 -08:00
Arnaldo Carvalho de Melo
bc76efe645 perf tools: Handle kernels that don't support attr.exclude_{guest,host}
Just fall back to resetting those fields, if set, warning the user that
that feature is not available.

If guest samples appear they will just be discarded because no struct
machine will be found and thus the event will be accounted as not
handled and dropped, see 0c09571.

Reported-by: Namhyung Kim <namhyung@gmail.com>
Tested-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Joerg Roedel <joerg.roedel@amd.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-vuwxig36mzprl5n7nzvnxxsh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-03-03 12:19:56 -03:00
Joerg Roedel
8f54ed4a2d perf tools: Change perf_guest default back to false
Setting perf_guest to true by default makes no sense because the perf
subcommands can not setup guest symbol information and thus not process
and guest samples. The only exception is perf-kvm which changes the
perf_guest value on its own.  So change the default for perf_guest back
to false.

Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1328893505-4115-3-git-send-email-joerg.roedel@amd.com
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-03-03 12:13:41 -03:00
David Ahern
6e557a6adf perf record: No build id option fails
A recent refactoring of perf-record introduced the following:

perf record -a -B
Couldn't generating buildids. Use --no-buildid to profile anyway.
sleep: Terminated

I believe the triple negative was meant to be only a double negative.
:-) While I'm there, fixed the grammar on the error message.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1328567272-13190-1-git-send-email-dsahern@gmail.com
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-03-03 11:02:16 -03:00
Chris Mason
a175423c83 Btrfs: fix casting error in scrub reada code
The reada code from scrub was casting down a u64 to
an unsigned long so it could insert it into a radix tree.

What it really wanted to do was cast down the result of a shift, instead
of casting down the u64.  The bug resulted in trying to insert our
reada struct into the wrong place, which caused soft lockups and other
problems.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2012-03-03 07:42:35 -05:00
Li Zefan
d3b010640e btrfs: fix locking issues in find_parent_nodes()
- We might unlock head->mutex while it was not locked
- We might leave the function without unlocking delayed_refs->lock

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2012-03-03 07:41:15 -05:00
Linus Torvalds
ae942ae719 vfs: export full_name_hash() function to modules
Commit 5707c87f "vfs: uninline full_name_hash()" broke the modular
build, because it needs exporting now that it isn't inlined any more.

Reported-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-02 19:40:57 -08:00
françois romieu
9c5028e9da r8169: corrupted IP fragments fix for large mtu.
Noticed with the 8168d (-vb-gr, aka RTL_GIGA_MAC_VER_26).

ConfigX registers should only be written while the Config9346 lock
is held.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Reported-by: Nick Bowler <nbowler@elliptictech.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-02 19:10:06 -05:00
Greg Kroah-Hartman
71919403dc Revert "powerpc/usb: fix issue of CPU halt when missing USB PHY clock"
This reverts commit 529febeee6.

To quote Dirk:
	This commit introduces a check for the USB PHY clock.
	Problem is that CTRL_PHY_CLK_VALID bit seems not to be present
	on all Freescale ehci implementations, at least P1022 does not
	have it.  So this check always fails and the driver never gets
	loaded.

So we need to revert this patch.

Reported-by: Dirk Eibach <Eibach@gdsys.de>
Cc: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-02 16:08:54 -08:00
stephen hemminger
3f2010b2ad packetengines: fix config default
As part of the big network driver reorg, each vendor directory defaults to
yes, so that older config's can migrate correctly. Looks like this one
got missed.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-02 19:05:47 -05:00
Linus Torvalds
62d222b8c8 Four commits since v3.3-rc5:
15d1ad0 hwmon: (f75375s) Catch some attempts to write to r/o registers
 b17d656 hwmon: (f75375s) Properly map the F75387 automatic modes to pwm_enable
 edeea10 hwmon: (f75375s) Make pwm*_mode writable for the F75387
 331255d hwmon: (f75375s) Fix writes to the pwm* attribute for the F75387
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

hhwmon fixes for 3.3-rc6 from Guenter Roeck:

These patches are necessary for correct operation and management of
F75387.

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (f75375s) Catch some attempts to write to r/o registers
  hwmon: (f75375s) Properly map the F75387 automatic modes to pwm_enable
  hwmon: (f75375s) Make pwm*_mode writable for the F75387
  hwmon: (f75375s) Fix writes to the pwm* attribute for the F75387
2012-03-02 15:21:48 -08:00
Linus Torvalds
d085a09cf3 fbdev fixes for 3.3
It includes:
 - two fixes for OMAP HDMI
 - one fix to make new OMAP functions behave as they are supposed to
 - one Kconfig dependency fix
 - two fixes for viafb for modesetting on VX900 hardware
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Merge tag 'fbdev-fixes-for-3.3-2' of git://github.com/schandinat/linux-2.6

fbdev fixes for 3.3 from Florian Tobias Schandinat

It includes:
 - two fixes for OMAP HDMI
 - one fix to make new OMAP functions behave as they are supposed to
 - one Kconfig dependency fix
 - two fixes for viafb for modesetting on VX900 hardware

* tag 'fbdev-fixes-for-3.3-2' of git://github.com/schandinat/linux-2.6:
  OMAPDSS: APPLY: make ovl_enable/disable synchronous
  OMAPDSS: panel-dvi: Add Kconfig dependency on I2C
  viafb: fix IGA1 modesetting on VX900
  viafb: select HW scaling on VX900 for IGA2
  OMAPDSS: HDMI: hot plug detect fix
  OMAPDSS: HACK: Ensure DSS clock domain gets out of idle when HDMI is enabled
2012-03-02 15:21:15 -08:00
Linus Torvalds
5e8063d758 sound fixes for 3.3-rc6
This contains again regression fixes for various HD-audio and ASoC
 regarding SSI and dapm shutdown path.  In addition, a minor azt3328
 fix and the correction of the new jack-notification strings in HD-audio.
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Merge tag 'sound-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

sound fixes for 3.3-rc6 from Takashi Iwai

This contains again regression fixes for various HD-audio and ASoC
regarding SSI and dapm shutdown path.  In addition, a minor azt3328
fix and the correction of the new jack-notification strings in HD-audio.

* tag 'sound-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Kill hyphenated names
  ALSA: hda - Add a fake mute feature
  ALSA: hda - Always set HP pin in unsol handler for STAC/IDT codecs
  ALSA: azt3328 - Fix NULL ptr dereference on cards without OPL3
  ALSA: hda/realtek - Fix resume of multiple input sources
  ASoC: i.MX SSI: Fix DSP_A format.
  ASoC: dapm: Check for bias level when powering down
2012-03-02 15:20:41 -08:00
Linus Torvalds
200e9ef7ab vfs: split up name hashing in link_path_walk() into helper function
The code in link_path_walk() that finds out the length and the hash of
the next path component is some of the hottest code in the kernel.  And
I have a version of it that does things at the full width of the CPU
wordsize at a time, but that means that we *really* want to split it up
into a separate helper function.

So this re-organizes the code a bit and splits the hashing part into a
helper function called "hash_name()".  It returns the length of the
pathname component, while at the same time computing and writing the
hash to the appropriate location.

The code generation is slightly changed by this patch, but generally for
the better - and the added abstraction actually makes the code easier to
read too.  And the new interface is well suited for replacing just the
"hash_name()" function with alternative implementations.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-02 14:49:24 -08:00
Linus Torvalds
5707c87f20 vfs: clarify and clean up dentry_cmp()
It did some odd things for unclear reasons.  As this is one of the
functions that gets changed when doing word-at-a-time compares, this is
yet another of the "don't change any semantics, but clean things up so
that subsequent patches don't get obscured by the cleanups".

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-02 14:47:15 -08:00
Gusakov Andrey
e39d40c65d ARM: S3C24XX: DMA resume regression fix
s3c2410_dma_suspend suspends channels from 0 to dma_channels.
s3c2410_dma_resume resumes channels in reverse order. So
pointer should be decremented instead of being incremented.

Signed-off-by: Gusakov Andrey <dron0gus@gmail.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-03 07:36:59 +09:00
Linus Torvalds
0145acc202 vfs: uninline full_name_hash()
.. and also use it in lookup_one_len() rather than open-coding it.

There aren't any performance-critical users, so inlining it is silly.
But it wouldn't matter if it wasn't for the fact that the word-at-a-time
dentry name patches want to conditionally replace the function, and
uninlining it sets the stage for that.

So again, this is a preparatory patch that doesn't change any semantics,
and only prepares for a much cleaner and testable word-at-a-time dentry
name accessor patch.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-02 14:32:59 -08:00
Linus Torvalds
8966be9030 vfs: trivial __d_lookup_rcu() cleanups
These don't change any semantics, but they clean up the code a bit and
mark some arguments appropriately 'const'.

They came up as I was doing the word-at-a-time dcache name accessor
code, and cleaning this up now allows me to send out a smaller relevant
interesting patch for the experimental stuff.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-02 14:23:30 -08:00
Ludovic Desroches
ef8781989a mmc: atmel-mci: don't use dma features when using DMA with no chan available
Some callbacks are set too early -- i.e. we can have dma capabilities but
we can't get a dma channel. So wait to get the dma channel before setting
callbacks and change logs consequently.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
[Should be applied to 3.2-stable.]
Cc: <stable@vger.kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-03-02 16:06:40 -05:00
Nikolaus Schulz
15d1ad0cc9 hwmon: (f75375s) Catch some attempts to write to r/o registers
It makes no sense to attempt to manually configure the fan in auto mode,
or set the duty cycle directly in closed loop mode.  The corresponding
registers are then read-only.  If the user tries it nonetheless, error out
with EINVAL instead of silently doing nothing.

Signed-off-by: Nikolaus Schulz <mail@microschulz.de>
[guenter.roeck@ericsson.com: Minor formatting cleanup]
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-03-02 12:02:23 -08:00
Nikolaus Schulz
b17d6561ac hwmon: (f75375s) Properly map the F75387 automatic modes to pwm_enable
The F75387 supports automatic fan control using either PWM duty cycle or
RPM speed values.  Make the driver detect the latter mode, and expose the
different modes in sysfs as per pwm_enable, so that the user can switch
between them.

The interpretation of the pwm_enable attribute for the F75387 is adjusted
to be a superset of those values used for similar Fintek chips which do
not support automatic duty mode, with 2 mapping to automatic speed mode,
and moving automatic duty mode to the new value 4.

Toggling the duty mode via pwm_enable is currently denied for the F75387,
as the chip then simply reinterprets the fan configuration register values
according to the new mode, switching between RPM and PWM units, which
makes this a dangerous operation.

This patch introduces a new pwm mode into the driver. This is necessary
because the new mode (automatic pwm mode, 4) may already be enabled by the
BIOS, and the driver should not break existing functionality. This was seen
on at least one board.

Signed-off-by: Nikolaus Schulz <mail@microschulz.de>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-03-02 11:56:43 -08:00
Linus Torvalds
2273d5ccb8 Merge branches 'core-urgent-for-linus', 'perf-urgent-for-linus' and 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pulling latest branches from Ingo:

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  memblock: Fix size aligning of memblock_alloc_base_nid()

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf probe: Ensure offset provided is not greater than function length without DWARF info too
  perf tools: Ensure comm string is properly terminated
  perf probe: Ensure offset provided is not greater than function length
  perf evlist: Return first evsel for non-sample event on old kernel
  perf/hwbp: Fix a possible memory leak

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  CPU hotplug, cpusets, suspend: Don't touch cpusets during suspend/resume
2012-03-02 11:38:43 -08:00