Commit Graph

336139 Commits

Author SHA1 Message Date
Alexey Kardashevskiy
bb4618823a powerpc/pseries: Fix oops with MSIs when missing EEH PEs
The new EEH code introduced a small regression, if the EEH PEs
are missin (which happens currently in qemu for example), it
will deref a NULL pointer in the MSI code.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-11-23 13:26:05 +11:00
Marek Vasut
958f988995 i2c: mxs: Handle i2c DMA failure properly
Properly terminate the DMA transfer in case the DMA PIO transfer
or setup fails for any reason.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
2012-11-22 23:03:34 +01:00
Julian Anastasov
636174219b ipv4: do not cache looped multicasts
Starting from 3.6 we cache output routes for
multicasts only when using route to 224/4. For local receivers
we can set RTCF_LOCAL flag depending on the membership but
in such case we use maddr and saddr which are not caching
keys as before. Additionally, we can not use same place to
cache routes that differ in RTCF_LOCAL flag value.

	Fix it by caching only RTCF_MULTICAST entries
without RTCF_LOCAL (send-only, no loopback). As a side effect,
we avoid unneeded lookup for fnhe when not caching because
multicasts are not redirected and they do not learn PMTU.

	Thanks to Maxime Bizon for showing the caching
problems in __mkroute_output for 3.6 kernels: different
RTCF_LOCAL flag in cache can lead to wrong ip_mc_output or
ip_output call and the visible problem is that traffic can
not reach local receivers via loopback.

Reported-by: Maxime Bizon <mbizon@freebox.fr>
Tested-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-22 16:06:49 -05:00
David S. Miller
84ec95b047 Merge branch 'master' of git://1984.lsi.us.es/nf
Pablo Neira Ayuso says:

====================
The following patchset contains two Netfilter fixes:

* Fix buffer overflow in the name of the timeout policy object
  in the cttimeout infrastructure, from Florian Westphal.

* Fix a bug in the hash set in case that IP ranges are
  specified, from Jozsef Kadlecsik.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-22 15:27:18 -05:00
David S. Miller
5e7873d145 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:

====================
This pull request is intended for 3.7 and contains a single patch to
fix the IPsec gc threshold value for ipv4.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-22 15:24:30 -05:00
Daniel Mack
947d299686 ALSA: snd-usb: properly initialize the sync endpoint
Jeffrey Barish reported an obvious bug in the pcm part of the usb-audio
driver which causes the code to not initialize the sync endpoint from
configure_endpoint().

Reported-by: Jeffrey Barish <jeff_barish@earthlink.net>
Signed-off-by: Daniel Mack <zonque@gmail.com>
Cc: stable@kernel.org [3.5+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-11-22 21:22:33 +01:00
Linus Torvalds
5a903166dd ARM: SoC fixes for 3.7
A few more fixes for final 3.7. Two dealing with pinmux setup on OMAP, and
 one dealing with TV output on DaVinci. And one small MAINTAINER update.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A few more fixes for final 3.7.  Two dealing with pinmux setup on
  OMAP, and one dealing with TV output on DaVinci.  And one small
  MAINTAINER update."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: davinci: dm644x: fix out range signal for ED
  ARM: OMAP4: TWL: mux sys_drm_msecure as output for PMIC
  ARM: OMAP3: igep0020: Set WIFI/BT GPIO pins in correct mux mode
  ARM: OMAP: Add maintainer entry for IGEP machines
2012-11-22 09:22:13 -10:00
Linus Torvalds
b80d60e1c3 PARISC fixes on 20121122
This is two bug fixes: one fixes a loophole where rt_sigprocmask() with the
 wrong values panics the box (Denial of Service) and the other fixes an
 aliasing problem with get_shared_area() which could cause data corruption.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'parisc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6

Pull PARISC fixes from James Bottomley:
 "This is two bug fixes: one fixes a loophole where rt_sigprocmask()
  with the wrong values panics the box (Denial of Service) and the other
  fixes an aliasing problem with get_shared_area() which could cause
  data corruption.

  Signed-off-by: James Bottomley <JBottomley@Parallels.com>"

* tag 'parisc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6:
  [PARISC] fix user-triggerable panic on parisc
  [PARISC] fix virtual aliasing issue in get_shared_area()
2012-11-22 09:16:29 -10:00
Linus Torvalds
a2d2eda7bf SCSI fixes on 20121122
This is a set of four bug fixes.  The isci one is an obvious thinko (using
 request buffer instead of response buffer) which causes a command to fail.
 The three others are DIF/DIX updates which are required because they're part
 of a series of ten patches, the other seven of which went into the block layer
 during the merge window meaning our current DIF/DIX implementation is broken
 without these three.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is a set of four bug fixes.

  The isci one is an obvious thinko (using request buffer instead of
  response buffer) which causes a command to fail.

  The three others are DIF/DIX updates which are required because
  they're part of a series of ten patches, the other seven of which went
  into the block layer during the merge window meaning our current
  DIF/DIX implementation is broken without these three.

  Signed-off-by: James Bottomley <JBottomley@Parallels.com>"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  [SCSI] sd: Implement support for WRITE SAME
  [SCSI] sd: Permit merged discard requests
  [SCSI] Add a report opcode helper
  [SCSI] isci: copy fis 0x34 response into proper buffer
2012-11-22 09:14:54 -10:00
Linus Torvalds
0e0f092ef0 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie.

Small fixes for (mostly Nouveau, some radeon) regressions.

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/nouveau: use the correct fence implementation for nv50
  drm/radeon: add new SI pci id
  radeon: add AGPMode 1 quirk for RV250
  drm/radeon: properly track the crtc not_enabled case evergreen_mc_stop()
  drm/nouveau/bios: fix DCB v1.5 parsing
  drm/nouveau: add missing pll_calc calls
  drm/nouveau: fix crash with noaccel=1
  drm/nv40: allocate ctxprog with kmalloc
  drm/nvc0/disp: fix thinko in vblank regression fix..
2012-11-22 09:14:24 -10:00
Aaro Koskinen
8ad9375f8b OMAPDSS: do not fail if dpll4_m4_ck is missing
Do not fail if dpll4_m4_ck is missing. The clock is not there on omap24xx,
so this should not be a hard error.

The patch retains the functionality before the commit 185bae10 (OMAPDSS:
DSS: Cleanup cpu_is_xxxx checks).

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2012-11-22 17:23:12 +02:00
Al Viro
441a179daf [PARISC] fix user-triggerable panic on parisc
int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, compat_sigset_t __user *oset,
                                    unsigned int sigsetsize)
{
        sigset_t old_set, new_set;
        int ret;

        if (set && get_sigset32(set, &new_set, sigsetsize))

...
static int
get_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz)
{
        compat_sigset_t s;
        int r;

        if (sz != sizeof *set) panic("put_sigset32()");

In other words, rt_sigprocmask(69, (void *)69, 69) done by 32bit process
will promptly panic the box.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: <stable@vger.kernel.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-22 09:33:12 +00:00
NeilBrown
884162df2a md/raid10: decrement correct pending counter when writing to replacement.
When a write to a replacement device completes, we carefully
and correctly found the rdev that the write actually went to
and the blithely called rdev_dec_pending on the primary rdev,
even if this write was to the replacement.

This means that any writes to an array while a replacement
was ongoing would cause the nr_pending count for the primary
device to go negative, so it could never be removed.

This bug has been present since replacement was introduced in
3.3, so it is suitable for any -stable kernel since then.

Reported-by: "George Spelvin" <linux@horizon.com>
Cc: stable@vger.kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
2012-11-22 15:12:42 +11:00
NeilBrown
e7c0c3fa29 md/raid10: close race that lose writes lost when replacement completes.
When a replacement operation completes there is a small window
when the original device is marked 'faulty' and the replacement
still looks like a replacement.  The faulty should be removed and
the replacement moved in place very quickly, bit it isn't instant.

So the code write out to the array must handle the possibility that
the only working device for some slot in the replacement - but it
doesn't.  If the primary device is faulty it just gives up.  This
can lead to corruption.

So make the code more robust: if either  the primary or the
replacement is present and working, write to them.  Only when
neither are present do we give up.

This bug has been present since replacement was introduced in
3.3, so it is suitable for any -stable kernel since then.

Reported-by: "George Spelvin" <linux@horizon.com>
Cc: stable@vger.kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
2012-11-22 15:12:36 +11:00
Dave Airlie
452f19201f Merge branch 'drm-fixes-3.7' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Alex writes:
A couple more small fixes for 3.7:
- another evergreen_mc fix
- add an AGP quirk for an old RV250
- new pci id.

* 'drm-fixes-3.7' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: add new SI pci id
  radeon: add AGPMode 1 quirk for RV250
  drm/radeon: properly track the crtc not_enabled case evergreen_mc_stop()
2012-11-22 13:21:57 +10:00
Dave Airlie
da6004b8d0 Merge branch 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
nouveau: one more regression fix.

* 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau: use the correct fence implementation for nv50
2012-11-22 13:21:01 +10:00
Dave Airlie
776d1e38c5 Merge branch 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
Some more misc fallout from nouveau rework.

* 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau/bios: fix DCB v1.5 parsing
  drm/nouveau: add missing pll_calc calls
  drm/nouveau: fix crash with noaccel=1
  drm/nv40: allocate ctxprog with kmalloc
  drm/nvc0/disp: fix thinko in vblank regression fix..
2012-11-22 13:20:01 +10:00
Maarten Lankhorst
ace5a9b8db drm/nouveau: use the correct fence implementation for nv50
Only compile time tested, noticed nv50_fence_create was never used,
so fix this. This will probably fix vblank on nv50 cards.

Hopefully this is still in time for 3.7 final release.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-11-22 11:11:10 +10:00
Alex Deucher
0181bd5dea drm/radeon: add new SI pci id
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2012-11-21 18:37:38 -05:00
Florian Westphal
e93b5f9f32 netfilter: cttimeout: fix buffer overflow
Chen Gang reports:
the length of nla_data(cda[CTA_TIMEOUT_NAME]) is not limited in server side.

And indeed, its used to strcpy to a fixed-sized buffer.

Fortunately, nfnetlink users need CAP_NET_ADMIN.

Reported-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-11-21 23:50:14 +01:00
Jozsef Kadlecsik
4fe198e6b1 netfilter: ipset: Fix range bug in hash:ip,port,net
Due to the missing ininitalization at adding/deleting entries, when
a plain_ip,port,net element was the object, multiple elements were
added/deleted instead. The bug came from the missing dangling
default initialization.

The error-prone default initialization is corrected in all hash:* types.

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-11-21 23:49:02 +01:00
Dave Hansen
ef6c5be658 fix incorrect NR_FREE_PAGES accounting (appears like memory leak)
There have been some 3.7-rc reports of vm issues, including some kswapd
bugs and, more importantly, some memory "leaks":

	http://www.spinics.net/lists/linux-mm/msg46187.html
	https://bugzilla.kernel.org/show_bug.cgi?id=50181

Commit 1fb3f8ca0e ("mm: compaction: capture a suitable high-order page
immediately when it is made available") took split_free_page() and
reused it for the compaction code.  It does something curious with
capture_free_page() (previously known as split_free_page()):

  int capture_free_page(struct page *page, int alloc_order,
  ...
          __mod_zone_page_state(zone, NR_FREE_PAGES, -(1UL << order));

  -       /* Split into individual pages */
  -       set_page_refcounted(page);
  -       split_page(page, order);
  +       if (alloc_order != order)
  +               expand(zone, page, alloc_order, order,
  +                       &zone->free_area[order], migratetype);

Note that expand() puts the pages _back_ in the allocator, but it does
not bump NR_FREE_PAGES.  We "return" 'alloc_order' worth of pages, but
we accounted for removing 'order' in the __mod_zone_page_state() call.

For the old split_page()-style use (order==alloc_order) the bug will not
trigger.  But, when called from the compaction code where we
occasionally get a larger page out of the buddy allocator than we need,
we will run in to this.

This patch simply changes the NR_FREE_PAGES manipulation to the correct
'alloc_order' instead of 'order'.

I've been able to repeatedly trigger this in my testing environment.
The amount "leaked" very closely tracks the imbalance I see in buddy
pages vs.  NR_FREE_PAGES.  I have confirmed that this patch fixes the
imbalance

Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-11-21 12:33:16 -10:00
Linus Torvalds
db9d8c6026 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking updates from David Miller:

 1) inet6_csk_update_pmtu() must return NULL or non-NULL, so translate
    ERR_PTR to NULL, as needed.  Fix from Eric Dumazet.

 2) Fix copy&paste error in IRDA sir_dev ->set_speed method invocation,
    it was testing the NULL'ness of a different method to guard the
    call.  Fix from Alexander Shiyan.

 3) Fix build regression of xilinx driver, from Jeff Mahoney.

 4) Make XEN netfront (like XEN netback) handle compound pages in SKBs
    properly.  From Ian Campbell.

 5) Fix inverted logic of team_dev_queue_xmit() return value checks,
    from Jiri Pirko and Dan Carpenter.

 6) dma_poll_create() no longer allows a NULL device argument, breaking
    both ixp4xx drivers.  Fix from Xi Wang.

 7) ne2000 driver doesn't hook up the parent device properly, breaking
    udev matching.  Fix from Alan Cox.

 8) Locking and memory leak fixes in Near Field Communications layer.
    From Thierry Escande, Szymon Janc, and Waldemar Rymarkiewicz.

 9) sis900 resume regression, sis900_set_mode() is being called with the
    iomem pointer instead of the expected device private.  Fix from
    Francois Romieu.

10) Fix IBSS regression caused by uninitializing the ibss-internals
    before performing an emptyness check, from Simon WUnderlich.

11) Fix SNIFFER mode regression in iwlwifi driver, from Johannes Berg.

12) Fix task wedges in mwifiex_cmd_timeout_func(), from Bing Zhao.

13) Add back wireless sysfs directory, too much stuff depends upon it
    being there (actually I'd say it never should have been removed to
    begin with).  From Johannes Berg.

14) Fix hang introduced by suspend/resume changes in ath9k.  Fix from
    Sujith Manoharan.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (24 commits)
  team: bcast: convert return value of team_dev_queue_xmit() to bool correctly
  bonding: Bonding driver does not consider the gso_max_size/gso_max_segs setting of slave devices.
  xen/netfront: handle compound page fragments on transmit
  net: fix build failure in xilinx
  irda: sir_dev: Fix copy/paste typo
  ipv6: fix inet6_csk_update_pmtu() return value
  ixp4xx_hss: avoid calling dma_pool_create() with NULL dev
  ixp4xx_eth: avoid calling dma_pool_create() with NULL dev
  ne2000: add the right platform device
  of/net/mdio-gpio: Fix pdev->id issue when using devicetrees.
  NFC: Fix pn533 target mode memory leak
  NFC: pn533: Fix mem leak in pn533_in_dep_link_up
  NFC: pn533: Fix use after free
  NFC: pn533: Fix missing lock while operating on commands list
  NFC: Fix nfc_llcp_local chained list insertion
  ath9k_hw: Fix regression in device reset
  sis900: fix sis900_set_mode call parameters.
  iwlwifi: don't WARN when a non empty queue is disabled
  wireless: add back sysfs directory
  mwifiex: report error to MMC core if we cannot suspend
  ...
2012-11-21 12:28:19 -10:00
NeilBrown
ca64cae960 md/raid5: Make sure we clear R5_Discard when discard is finished.
commit 9e44476851
    MD: raid5 avoid unnecessary zero page for trim

change raid5 to clear R5_Discard when the complete request is
handled rather than when submitting the per-device discard request.
However it did not clear R5_Discard for the parity device.

This means that if the stripe_head was reused before it expired from
the cache, the setting would be wrong and a hang would result.

Also if the R5_Uptodate bit happens to be set, R5_Discard again
won't be cleared.  But R5_Uptodate really should be clear at this point.

So make sure R5_Discard is cleared in all cases, and clear
R5_Uptodate when a 'discard' completes.

Signed-off-by: NeilBrown <neilb@suse.de>
2012-11-22 09:14:13 +11:00
NeilBrown
ef5b7c69b7 md/raid5: move resolving of reconstruct_state earlier in
stripe_handle.

The chunk of code in stripe_handle which responds to a
*_result value in reconstruct_state is really the completion
of some processing that happened outside of handle_stripe
(possibly asynchronously) and so should be one of the first
things done in handle_stripe().

After the next patch it will be important that it happens before
handle_stripe_clean_event(), as that will clear some dev->flags
bit that this code tests.

Signed-off-by: NeilBrown <neilb@suse.de>
2012-11-22 09:14:09 +11:00
Olof Johansson
65546ab097 Few more regression fixes related to u-boot only muxing
essential pins.
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Merge tag 'omap-for-v3.7-rc5/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:
Few more regression fixes related to u-boot only muxing
essential pins.

* tag 'omap-for-v3.7-rc5/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP4: TWL: mux sys_drm_msecure as output for PMIC
  ARM: OMAP3: igep0020: Set WIFI/BT GPIO pins in correct mux mode
  ARM: OMAP: Add maintainer entry for IGEP machines
2012-11-21 13:56:36 -08:00
Igor Grinberg
0a0d628573 ARM - OMAP: ads7846: fix pendown debounce setting
Commit 97ee9f01 (ARM: OMAP: fix the ads7846 init code) have enabled the
pendown GPIO debounce time setting by the below sequence:

  gpio_request_one()
  gpio_set_debounce()
  gpio_free()

It also revealed a bug in the OMAP GPIO handling code which prevented
the GPIO debounce clock to be disabled and CORE transition to low power
states.

Commit c9c55d9 (gpio/omap: fix off-mode bug: clear debounce settings on
free/reset) fixes the OMAP GPIO handling code by making sure that the
GPIO debounce clock gets disabled if no GPIO is requested from current
bank.

While fixing the OMAP GPIO handling code (in the right way), the above
commit makes the gpio_request->set_debounce->free sequence invalid as
after freeing the GPIO, the debounce settings are lost.

Fix the debounce settings by moving the debounce initialization to the
actual GPIO requesting code - the ads7846 driver.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-11-21 13:10:02 -08:00
Igor Grinberg
c4f4925439 Input: ads7846 - enable pendown GPIO debounce time setting
Some platforms need the pendown GPIO debounce time setting programmed.
Since the pendown GPIO is handled by the driver, the debounce time
should also be handled along with the pendown GPIO request.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-11-21 13:09:56 -08:00
Jiri Pirko
403f43c937 team: bcast: convert return value of team_dev_queue_xmit() to bool correctly
The thing is that team_dev_queue_xmit() returns NET_XMIT_* or -E*.
bc_trasmit() should return true in case all went well. So use ! to get
correct retval from team_dev_queue_xmit() result.
This bug caused iface statistics to be badly computed.

This bug was introduced by:
team: add broadcast mode (5fc889911a)

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-21 11:55:07 -05:00
Linus Torvalds
45e7715922 A simple pinctrl Kconfig oneliner arriving late.
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Merge tag 'pinctrl-for-v3.7-late' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl fix from Linus Walleij:
 "A simple pinctrl Kconfig oneliner arriving late.

  Final (hopefully) oneliner for the pinctrl subsystem targeted at v3.7"

* tag 'pinctrl-for-v3.7-late' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl/samsung: don't allow enabling pinctrl-samsung standalone
2012-11-21 06:53:30 -10:00
Linus Torvalds
85c0805a8d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull selinux RCU fixlet from James Morris.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  selinux: fix sel_netnode_insert() suspicious rcu dereference
2012-11-21 06:52:35 -10:00
Chun-Yi Lee
916492b1e1 sign-file: fix the perl warning message when extracting ASN.1
There have the following warning message when running modules install
for sign ko files:

  # make modules_install
  ...
    INSTALL drivers/input/touchscreen/pcap_ts.ko
  Found = in conditional, should be == at scripts/sign-file line 164.
  Found = in conditional, should be == at scripts/sign-file line 161.
  Found = in conditional, should be == at scripts/sign-file line 159.

This patch change replace '=' by '==' in elsif conditions for avoid the
above warning messages.

Signed-off-by: Chun-Yi Lee <jlee@suse.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-11-21 06:52:12 -10:00
Sarveshwar Bandi
0e376bd0b7 bonding: Bonding driver does not consider the gso_max_size/gso_max_segs setting of slave devices.
Patch sets the lowest gso_max_size and gso_max_segs values of the slave devices during enslave and detach.

Signed-off-by: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-21 11:50:31 -05:00
Ian Campbell
f36c374782 xen/netfront: handle compound page fragments on transmit
An SKB paged fragment can consist of a compound page with order > 0.
However the netchannel protocol deals only in PAGE_SIZE frames.

Handle this in xennet_make_frags by iterating over the frames which
make up the page.

This is the netfront equivalent to 6a8ed462f1 for netback.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: netdev@vger.kernel.org
Cc: xen-devel@lists.xen.org
Cc: Eric Dumazet <edumazet@google.com>
Cc: Konrad Rzeszutek Wilk <konrad@kernel.org>
Cc: ANNIE LI <annie.li@oracle.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-21 11:50:31 -05:00
John W. Linville
f30a944392 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
John W. Linville says:

====================
This is a batch of fixes intended for 3.7...

Included are two pulls.  Regarding the mac80211 tree, Johannes says:

"Please pull my mac80211.git tree (see below) to get two more fixes for
3.7. Both fix regressions introduced *before* this cycle that weren't
noticed until now, one for IBSS not cleaning up properly and the other
to add back the "wireless" sysfs directory for Fedora's startup scripts."

Regarding the iwlwifi tree, Johannes says:

"Please also pull my iwlwifi.git tree, I have two fixes: one to remove a
spurious warning that can actually trigger in legitimate situations, and
the other to fix a regression from when monitor mode was changed to use
the "sniffer" firmware mode."

Also included is an nfc tree pull.  Samuel says:

"We mostly have pn533 fixes here, 2 memory leaks and an early unlocking fix.
Moreover, we also have an LLCP adapter linked list insertion fix."

On top of that, a few more bits...  Albert Pool adds a USB ID
to rtlwifi.  Bing Zhao provides two mwifiex fixes -- one to fix
a system hang during a command timeout, and the other to properly
report a suspend error to the MMC core.  Finally, Sujith Manoharan
fixes a thinko that would trigger an ath9k hang during device reset.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-21 11:48:31 -05:00
Dave Jones
88a693b5c1 selinux: fix sel_netnode_insert() suspicious rcu dereference
===============================
[ INFO: suspicious RCU usage. ]
3.5.0-rc1+ #63 Not tainted
-------------------------------
security/selinux/netnode.c:178 suspicious rcu_dereference_check() usage!

other info that might help us debug this:

rcu_scheduler_active = 1, debug_locks = 0
1 lock held by trinity-child1/8750:
 #0:  (sel_netnode_lock){+.....}, at: [<ffffffff812d8f8a>] sel_netnode_sid+0x16a/0x3e0

stack backtrace:
Pid: 8750, comm: trinity-child1 Not tainted 3.5.0-rc1+ #63
Call Trace:
 [<ffffffff810cec2d>] lockdep_rcu_suspicious+0xfd/0x130
 [<ffffffff812d91d1>] sel_netnode_sid+0x3b1/0x3e0
 [<ffffffff812d8e20>] ? sel_netnode_find+0x1a0/0x1a0
 [<ffffffff812d24a6>] selinux_socket_bind+0xf6/0x2c0
 [<ffffffff810cd1dd>] ? trace_hardirqs_off+0xd/0x10
 [<ffffffff810cdb55>] ? lock_release_holdtime.part.9+0x15/0x1a0
 [<ffffffff81093841>] ? lock_hrtimer_base+0x31/0x60
 [<ffffffff812c9536>] security_socket_bind+0x16/0x20
 [<ffffffff815550ca>] sys_bind+0x7a/0x100
 [<ffffffff816c03d5>] ? sysret_check+0x22/0x5d
 [<ffffffff810d392d>] ? trace_hardirqs_on_caller+0x10d/0x1a0
 [<ffffffff8133b09e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
 [<ffffffff816c03a9>] system_call_fastpath+0x16/0x1b

This patch below does what Paul McKenney suggested in the previous thread.

Signed-off-by: Dave Jones <davej@redhat.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Cc: Eric Paris <eparis@parisplace.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Morris <james.l.morris@oracle.com>
2012-11-21 21:55:32 +11:00
David Woodhouse
851462444d Merge branch 'for-3.7' of git://git.infradead.org/users/dedekind/l2-mtd
Conflicts:
	drivers/mtd/nand/nand_base.c
2012-11-21 10:38:13 +00:00
David Henningsson
34c3d1926b ALSA: hda - Cirrus: Correctly clear line_out_pins when moving to speaker
If this array is not cleared, the jack related code later might
fail to create "Internal Speaker Phantom Jack" on Dell Inspiron 3420 and
Dell Vostro 2420.

BugLink: https://bugs.launchpad.net/bugs/1076840
Cc: stable@vger.kernel.org (3.6+)
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-11-21 10:09:02 +01:00
David Henningsson
af02dde8a6 ALSA: hda - Add support for Realtek ALC292
We found a new codec ID 292, and that just a simple quirk would enable
sound output/input on this ALC292 chip.

BugLink: https://bugs.launchpad.net/bugs/1081466
Cc: stable@vger.kernel.org
Tested-by: Acelan Kao <acelan.kao@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-11-21 09:06:04 +01:00
Jan Beulich
ee4eb87be2 x86-64: Fix ordering of CFI directives and recent ASM_CLAC additions
While these got added in the right place everywhere else, entry_64.S
is the odd one where they ended up before the initial CFI directive(s).
In order to cover the full code ranges, the CFI directive must be
first, though.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Link: http://lkml.kernel.org/r/5093BA1F02000078000A600E@nat28.tlf.novell.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2012-11-20 22:23:57 -08:00
Boris Ostrovsky
36c46ca4f3 x86, microcode, AMD: Add support for family 16h processors
Add valid patch size for family 16h processors.

[ hpa: promoting to urgent/stable since it is hw enabling and trivial ]

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@amd.com>
Acked-by: Andreas Herrmann <herrmann.der.user@googlemail.com>
Link: http://lkml.kernel.org/r/1353004910-2204-1-git-send-email-boris.ostrovsky@amd.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: <stable@vger.kernel.org>
2012-11-20 22:23:28 -08:00
H. Peter Anvin
cb57a2b4cf x86-32: Export kernel_stack_pointer() for modules
Modules, in particular oprofile (and possibly other similar tools)
need kernel_stack_pointer(), so export it using EXPORT_SYMBOL_GPL().

Cc: Yang Wei <wei.yang@windriver.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Jun Zhang <jun.zhang@intel.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20120912135059.GZ8285@erda.amd.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2012-11-20 22:23:23 -08:00
Robert Richter
1022623842 x86-32: Fix invalid stack address while in softirq
In 32 bit the stack address provided by kernel_stack_pointer() may
point to an invalid range causing NULL pointer access or page faults
while in NMI (see trace below). This happens if called in softirq
context and if the stack is empty. The address at &regs->sp is then
out of range.

Fixing this by checking if regs and &regs->sp are in the same stack
context. Otherwise return the previous stack pointer stored in struct
thread_info. If that address is invalid too, return address of regs.

 BUG: unable to handle kernel NULL pointer dereference at 0000000a
 IP: [<c1004237>] print_context_stack+0x6e/0x8d
 *pde = 00000000
 Oops: 0000 [#1] SMP
 Modules linked in:
 Pid: 4434, comm: perl Not tainted 3.6.0-rc3-oprofile-i386-standard-g4411a05 #4 Hewlett-Packard HP xw9400 Workstation/0A1Ch
 EIP: 0060:[<c1004237>] EFLAGS: 00010093 CPU: 0
 EIP is at print_context_stack+0x6e/0x8d
 EAX: ffffe000 EBX: 0000000a ECX: f4435f94 EDX: 0000000a
 ESI: f4435f94 EDI: f4435f94 EBP: f5409ec0 ESP: f5409ea0
  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
 CR0: 8005003b CR2: 0000000a CR3: 34ac9000 CR4: 000007d0
 DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
 DR6: ffff0ff0 DR7: 00000400
 Process perl (pid: 4434, ti=f5408000 task=f5637850 task.ti=f4434000)
 Stack:
  000003e8 ffffe000 00001ffc f4e39b00 00000000 0000000a f4435f94 c155198c
  f5409ef0 c1003723 c155198c f5409f04 00000000 f5409edc 00000000 00000000
  f5409ee8 f4435f94 f5409fc4 00000001 f5409f1c c12dce1c 00000000 c155198c
 Call Trace:
  [<c1003723>] dump_trace+0x7b/0xa1
  [<c12dce1c>] x86_backtrace+0x40/0x88
  [<c12db712>] ? oprofile_add_sample+0x56/0x84
  [<c12db731>] oprofile_add_sample+0x75/0x84
  [<c12ddb5b>] op_amd_check_ctrs+0x46/0x260
  [<c12dd40d>] profile_exceptions_notify+0x23/0x4c
  [<c1395034>] nmi_handle+0x31/0x4a
  [<c1029dc5>] ? ftrace_define_fields_irq_handler_entry+0x45/0x45
  [<c13950ed>] do_nmi+0xa0/0x2ff
  [<c1029dc5>] ? ftrace_define_fields_irq_handler_entry+0x45/0x45
  [<c13949e5>] nmi_stack_correct+0x28/0x2d
  [<c1029dc5>] ? ftrace_define_fields_irq_handler_entry+0x45/0x45
  [<c1003603>] ? do_softirq+0x4b/0x7f
  <IRQ>
  [<c102a06f>] irq_exit+0x35/0x5b
  [<c1018f56>] smp_apic_timer_interrupt+0x6c/0x7a
  [<c1394746>] apic_timer_interrupt+0x2a/0x30
 Code: 89 fe eb 08 31 c9 8b 45 0c ff 55 ec 83 c3 04 83 7d 10 00 74 0c 3b 5d 10 73 26 3b 5d e4 73 0c eb 1f 3b 5d f0 76 1a 3b 5d e8 73 15 <8b> 13 89 d0 89 55 e0 e8 ad 42 03 00 85 c0 8b 55 e0 75 a6 eb cc
 EIP: [<c1004237>] print_context_stack+0x6e/0x8d SS:ESP 0068:f5409ea0
 CR2: 000000000000000a
 ---[ end trace 62afee3481b00012 ]---
 Kernel panic - not syncing: Fatal exception in interrupt

V2:
* add comments to kernel_stack_pointer()
* always return a valid stack address by falling back to the address
  of regs

Reported-by: Yang Wei <wei.yang@windriver.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Link: http://lkml.kernel.org/r/20120912135059.GZ8285@erda.amd.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Jun Zhang <jun.zhang@intel.com>
2012-11-20 22:23:20 -08:00
Takashi Iwai
789e05275e ASoC: Fixes for v3.7
The biggest batch of fixes here is the Kirkwood DMA fixes, plus a couple
 of other small fixes.
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Merge tag 'asoc-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v3.7

The biggest batch of fixes here is the Kirkwood DMA fixes, plus a couple
of other small fixes.
2012-11-21 07:18:11 +01:00
Linus Torvalds
99b6e1e723 Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull missed powerpc fixes from Benjamin Herrenschmidt:
 "Here are small 52xx fixes that Anatolij asked me to pull a while back
  and that I completely missed.  The stuff is local to that platform
  code, and was in next for a while, so it should still go into 3.7."

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/mpc5200: move lpbfifo node and fix its interrupt property
  powerpc: 52xx: nop out unsupported critical IRQs
  powerpc/pcm030: add pcm030-audio-fabric to dts
2012-11-20 18:53:26 -10:00
Linus Torvalds
74dcc3f904 Bug-fix:
- Fix regression introduced by ceb90fa0 (xen/privcmd: add
    PRIVCMD_MMAPBATCH_V2 ioctl).
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Merge tag 'stable/for-linus-3.7-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull Xen bug-fix from Konrad Rzeszutek Wilk:
 - Fix regression introduced by commit ceb90fa0a8 ("xen/privcmd: add
   PRIVCMD_MMAPBATCH_V2 ioctl").

* tag 'stable/for-linus-3.7-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen/privcmd: Correctly return success from IOCTL_PRIVCMD_MMAPBATCH
2012-11-20 18:52:01 -10:00
Linus Torvalds
87885b700b Merge git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM maintainership update from Avi Kivity:
 "After many years of maintaining KVM, I am moving on.  It was a real
  pleasure for me to work with so many talented and dedicated hackers on
  this project.

  Replacing me will be one of those talented and dedicated hackers,
  Gleb, who has authored hundreds of patches in and around KVM."

* git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: taking co-maintenance
  KVM: Retire as maintainer
2012-11-20 18:50:07 -10:00
Linus Torvalds
c60b689631 IOMMU fixes for Linux 3.7-rc6
Some fixes and a MAINTAINERS update to remove my lost AMD email address
 from the file. The fixes take care of a resource leak and a problem on
 VT-d with the new IOMMU group code.
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Merge tag 'iommu-fixes-v3.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:
 "Some fixes and a MAINTAINERS update to remove my lost AMD email
  address from the file.  The fixes take care of a resource leak and a
  problem on VT-d with the new IOMMU group code."

* tag 'iommu-fixes-v3.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  intel-iommu: Fix lookup in add device
  iommu/tegra-smmu.c: fix dentry reference leak in smmu_debugfs_stats_show().
  iommu/amd: Update MAINTAINERS entry
2012-11-20 18:49:32 -10:00
Linus Torvalds
ca6215dfc7 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull reiserfs and ext3 fixes from Jan Kara:
 "Fixes of reiserfs deadlocks when quotas are enabled (locking there was
  completely busted by BKL conversion) and also one small ext3 fix in
  the trim interface."

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  ext3: Avoid underflow of in ext3_trim_fs()
  reiserfs: Move quota calls out of write lock
  reiserfs: Protect reiserfs_quota_write() with write lock
  reiserfs: Protect reiserfs_quota_on() with write lock
  reiserfs: Fix lock ordering during remount
2012-11-20 18:48:25 -10:00
Kuninori Morimoto
2f391251c6 ASoC: ak4642: cleanup struct ak4642_priv
This patch removed struct ak4642_priv which had
meaningless variable.
It is no longer needed

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-11-21 13:26:09 +09:00