Commit Graph

471004 Commits

Author SHA1 Message Date
Linus Torvalds d9773ceabf Merge branch 'for-linus' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs/smb3 fixes from Steve French:
 "Fixes for problems found during testing and debugging at the SMB3
  storage test event (plugfest) this week"

* 'for-linus' of git://git.samba.org/sfrench/cifs-2.6:
  Fix mfsymlinks file size check
  Update version number displayed by modinfo for cifs.ko
  cifs: remove dead code
  Revert "cifs: No need to send SIGKILL to demux_thread during umount"
  [SMB3] Fix oops when creating symlinks on smb3
  [CIFS] Fix setting time before epoch (negative time values)
2014-09-18 11:10:35 -07:00
Linus Torvalds 33d31d3476 sound fixes for 3.17-rc6
All small fixes in random various drivers, mostly for ASoC at this
 time, which look reasonable for a high rc number.
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Merge tag 'sound-3.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "All small fixes in random various drivers, mostly for ASoC at this
  time, which look reasonable for a high rc number"

* tag 'sound-3.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ASoC: rockchip-i2s: dt: swap tx and rx channed request number in example
  ASoC: rockchip-i2s: fix registers' property of rockchip i2s controller
  ASoC: rockchip-i2s: fix master mode set bit error
  ASoC: cs4265: Fix register address to set the proper data type.
  ALSA: hda - Fix invalid pin powermap without jack detection
  ASoC: soc-pcm: fix dpcm_path_get error handling
  ASoC: samsung-i2s: Check secondary DAI exists before referencing
  ASoC: Update email id of the author
  ASoC: dwc: Update email id of the author
  ASoC: davinci-mcasp: Correct rx format unit configuration
  ASoC: tlv320aic31xx: Fix 24bit samples with I2S format and 12MHz mclk
2014-09-18 10:45:37 -07:00
Krzysztof Hałasa 153a9f131f Fix unbalanced mutex in dma_pool_create().
dma_pool_create() needs to unlock the mutex in error case.  The bug was
introduced in the 3.16 by commit cc6b664aa2 ("mm/dmapool.c: remove
redundant NULL check for dev in dma_pool_create()")/

Signed-off-by: Krzysztof Hałasa <khc@piap.pl>
Cc: stable@vger.kernel.org  # v3.16
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-09-18 10:39:16 -07:00
Linus Torvalds bd26a74e93 regulator: Fixes for v3.17
Fix some leaked OF node references in regulator drivers that have been
 left over following a fix on a fix to the reference counting.
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Merge tag 'regulator-v3.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fix from Mark Brown:
 "Fix some leaked OF node references in regulator drivers that have been
  left over following a fix on a fix to the reference counting"

* tag 'regulator-v3.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: remove unnecessary of_node_get() to parent
2014-09-18 10:34:54 -07:00
Linus Torvalds 27180f7de7 spi: Fixes for v3.17
A few driver specific fixes for v3.17:
 
  - Fix davinci so that GPIO chip selects work with deferred probe of
    GPIOs (which could happen in production depending on kernel config)
    plus one incremental stylistic fix to that.
  - Several fixes for the newly introduced rockchip driver that came up
    in wider testing of the device.
  - A couple of small things in the sirf driver, one bug that would stop
    DMA transfers working and another update to follow the documented
    procedure in the datasheet.
  - Fix some memory leaks with devm_kzalloc() being used outside of the
    device bind path.
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Merge tag 'spi-v3.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A few driver specific fixes for v3.17:

   - Fix davinci so that GPIO chip selects work with deferred probe of
     GPIOs (which could happen in production depending on kernel config)
     plus one incremental stylistic fix to that.
   - Several fixes for the newly introduced rockchip driver that came up
     in wider testing of the device.
   - A couple of small things in the sirf driver, one bug that would
     stop DMA transfers working and another update to follow the
     documented procedure in the datasheet.
   - Fix some memory leaks with devm_kzalloc() being used outside of the
     device bind path"

* tag 'spi-v3.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: davinci: remove empty function davinci_spi_cleanup
  spi: davinci: request cs_gpio's from probe
  spi/pl022: Fix error message
  spi/rockchip: Mark DMA as optional
  spi/rockchip: Don't warn if SPI is busy but disabled
  spi/rockchip: Fix the wait_for_idle() timeout
  spi: sirf: add fifo reset/start for cmd transfer
  spi: sirf: enable RX_IO_DMA_INT interrupt
  spi: dw: Don't use devm_kzalloc in master->setup callback
  spi: fsl: Don't use devm_kzalloc in master->setup callback
2014-09-18 10:33:46 -07:00
Trond Myklebust cd9288ffae NFSv4: Fix another bug in the close/open_downgrade code
James Drew reports another bug whereby the NFS client is now sending
an OPEN_DOWNGRADE in a situation where it should really have sent a
CLOSE: the client is opening the file for O_RDWR, but then trying to
do a downgrade to O_RDONLY, which is not allowed by the NFSv4 spec.

Reported-by: James Drews <drews@engr.wisc.edu>
Link: http://lkml.kernel.org/r/541AD7E5.8020409@engr.wisc.edu
Fixes: aee7af356e (NFSv4: Fix problems with close in the presence...)
Cc: stable@vger.kernel.org # 2.6.33+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-09-18 13:04:22 -04:00
Steve Dickson 080af20cc9 NFSv4: nfs4_state_manager() vs. nfs_server_remove_lists()
There is a race between nfs4_state_manager() and
nfs_server_remove_lists() that happens during a nfsv3 mount.

The v3 mount notices there is already a supper block so
nfs_server_remove_lists() called which uses the nfs_client_lock
spin lock to synchronize access to the client list.

At the same time nfs4_state_manager() is running through
the client list looking for work to do, using the same
lock. When nfs4_state_manager() wins the race to the
list, a v3 client pointer is found and not ignored
properly which causes the panic.

Moving some protocol checks before the state checking
avoids the panic.

CC: Stable Tree <stable@vger.kernel.org>
Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-09-18 13:04:21 -04:00
Zefan Li eb4aec84d6 cgroup: fix unbalanced locking
cgroup_pidlist_start() holds cgrp->pidlist_mutex and then calls
pidlist_array_load(), and cgroup_pidlist_stop() releases the mutex.

It is wrong that we release the mutex in the failure path in
pidlist_array_load(), because cgroup_pidlist_stop() will be called
no matter if cgroup_pidlist_start() returns errno or not.

Fixes: 4bac00d16a
Cc: <stable@vger.kernel.org> # 3.14+
Signed-off-by: Zefan Li <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
2014-09-18 12:32:52 -04:00
Chris Mason 0f23ae74f5 Revert "Btrfs: device_list_add() should not update list when mounted"
This reverts commit b96de000bc.

This commit is triggering failures to mount by subvolume id in some
configurations.  The main problem is how many different ways this
scanning function is used, both for scanning while mounted and
unmounted.  A proper cleanup is too big for late rcs.

For now, just revert the commit and we'll put a better fix into a later
merge window.

Signed-off-by: Chris Mason <clm@fb.com>
2014-09-18 07:49:05 -07:00
Tadeusz Struk 413e55742a crypto: qat - Enable all 32 IRQs
Enable interrupts from all 32 bundles.

Signed-off-by: Conor McLoughlin <conor.mcloughlin@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-09-18 20:44:14 +08:00
Ville Syrjälä 8c875fca1a drm/i915: Add limited color range readout for HDMI/DP ports on g4x/vlv/chv
The limited color range knob is in the port registers on
g4x and vlv/chv for HDMI, and on g4x for DP. Add the relevant code
to read out the hardware state into pipe config. On vlv/chv the
DP port limited color range knob is in PIPECONF for which we
already have readout code.

Cc: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Chris Clayton <chris2553@googlemail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-09-18 14:52:14 +03:00
Jacob Keller 6fbac83952 ixgbe: remove IXGBE_FLAG_MSI(X)_CAPABLE flags
They were not used, and we don't need them, so we shouldn't bother with
keeping values in the flags field that could be misleading.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-09-18 04:50:37 -07:00
Jacob Keller d786cf7b42 ixgbe: add warnings for other disabled features without MSI-X support
When we can't get MSI-X vectors, we disable a few features which require
MSI-X vectors. Print warnings just like we do when disabling DCB.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-09-18 04:42:48 -07:00
Jacob Keller 5d31b48a42 ixgbe: use e_dev_warn instead of netif_printk
Again, we should not be directly using netif_printk, as we have our own
error print routines that we generate. In addition, instead of using an
early return we can just use the else block of this one line if
statement.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-09-18 04:34:55 -07:00
Jacob Keller c1c55f63a5 ixgbe: use e_dev_warn instead of e_err for displaying warning
In this case, disabling DCB is not an error. We can still function, but
we just have to let the user know. In addition, since we call this
during probe before allocating our netdevice structure, we should use
e_dev_warn instead of e_warn.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-09-18 04:12:20 -07:00
Jacob Keller 3bcf344657 ixgbe: determine vector count inside ixgbe_acquire_msix_vectors
Our calculated v_budget doesn't matter except if we allocate MSI-X
vectors. We shouldn't need to calculate this outside of the function, so
don't. Instead, only calculate it once we attempt to acquire MSI-X
vectors. This helps collocate all of the MSI-X vector code together.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-09-18 03:57:09 -07:00
Jacob Keller 027bb561ef ixgbe: move msix_entries allocation into ixgbe_acquire_msix_vectors
We already have to kfree this value if we fail, and this is only part of
MSI-X mode, so we should simply allocate the value where we need it.
This is cleaner, and makes it a lot more obvious why we are freeing it
inside of ixgbe_acquire_msix_vectors.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-09-18 03:48:49 -07:00
Jacob Keller d7de3c6e81 ixgbe: return integer from ixgbe_acquire_msix_vectors
Similar to how ixgbevf handles acquiring MSI-X vectors, we can return an
error code instead of relying on the flag being set. This makes it more
clear that we have failed to setup MSI-X mode, and also will make it
easier to consolidate MSI-X related code all into the single function.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-09-18 03:39:57 -07:00
Jacob Keller 493043e527 ixgbe: use e_dev_warn instead of netif_printk
The netif_printk relies on our netdevice structure to be registered
already. We may call ixgbe_acquire_msix_vectors prior to registering our
netdevice, so we should not use the netdevice specific printk.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-09-18 03:28:09 -07:00
Mark Rustad d523493373 ixgbe: Do not schedule an uninitialized workqueue entry
If a hardware Tx timestamp is requested, an uninitialized
workqueue entry may be scheduled, especially on an 82598 adapter.
Add a check for a PTP clock to avoid that. Also only apply the
unlikely to the first term of the conditional. That will make the
rest of the checks be in the cold path.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-09-18 03:19:10 -07:00
Ethan Zhao d38e92481b ixgbe: remove useless bd_number from adapter struct
Because bd_number is not useful anymore, so remove it from adapter struct, or
if keep it, we have to fix the boards driven counter bug in ixgbe_remove() and
ixgbe_probe() only for trivial debug purpose -- other output is enough.

Signed-off-by: Ethan Zhao <ethan.zhao@oracle.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-09-18 03:09:42 -07:00
Ethan Zhao 8d34b31e0e ixgbevf: remove useless bd_number from struct ixgbevf_adapter
It is useless and buggy, just remove it.

Signed-off-by: Ethan Zhao <ethan.zhao@oracle.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-09-18 02:59:27 -07:00
David Dueck e77980e50b can: at91_can: add missing prepare and unprepare of the clock
In order to make the driver work with the common clock framework, this patch
converts the clk_enable()/clk_disable() to
clk_prepare_enable()/clk_disable_unprepare(). While there, add the missing
error handling.

Signed-off-by: David Dueck <davidcdueck@googlemail.com>
Signed-off-by: Anthony Harivel <anthony.harivel@emtrion.de>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-09-18 11:15:37 +02:00
Marc Kleine-Budde 4c728d804c can: flexcan: increase FLEXCAN_MCR_MAXMB() macro to 7 bits
This patch increases the mask in the FLEXCAN_MCR_MAXMB() to 7 bits as in the
newer flexcan cores the MAXMB field is 7 bits wide.

Reported-by: David Jander <david@protonic.nl>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-09-18 11:15:36 +02:00
Marc Kleine-Budde de5944883e can: flexcan: put TX mailbox into TX_INACTIVE mode after tx-complete
After sending a RTR frame the TX mailbox becomes a RX_EMPTY mailbox. To avoid
side effects when the RX-FIFO is full, this patch puts the TX mailbox into
TX_INACTIVE mode in the transmission complete interrupt handler. This, of
course, leaves a race window between the actual completion of the transmission
and the handling of tx-complete interrupt. However this is the best we can do
without busy polling the tx complete interrupt.

Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-09-18 11:15:27 +02:00
David Jander 25e924450f can: flexcan: implement workaround for errata ERR005829
This patch implements the workaround mentioned in ERR005829:

    ERR005829: FlexCAN: FlexCAN does not transmit a message that is enabled to
    be transmitted in a specific moment during the arbitration process.

Workaround: The workaround consists of two extra steps after setting up a
message for transmission:

Step 8: Reserve the first valid mailbox as an inactive mailbox (CODE=0b1000).
If RX FIFO is disabled, this mailbox must be message buffer 0. Otherwise, the
first valid mailbox can be found using the "RX FIFO filters" table in the
FlexCAN chapter of the chip reference manual.

Step 9: Write twice INACTIVE code (0b1000) into the first valid mailbox.

Signed-off-by: David Jander <david@protonic.nl>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-09-18 11:15:20 +02:00
David Jander fc05b884a3 can: flexcan: correctly initialize mailboxes
Apparently mailboxes may contain random data at startup, causing some of them
being prepared for message reception. This causes overruns being missed or even
confusing the IRQ check for trasmitted messages, increasing the transmit
counter instead of the error counter.

This patch initializes all mailboxes after the FIFO as RX_INACTIVE.

Signed-off-by: David Jander <david@protonic.nl>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-09-18 11:15:15 +02:00
Marc Kleine-Budde c32fe4ad3e can: flexcan: mark TX mailbox as TX_INACTIVE
This patch fixes the initialization of the TX mailbox. It is now correctly
initialized as TX_INACTIVE not RX_EMPTY.

Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-09-18 11:15:09 +02:00
Oliver Hartkopp 4be0015c95 can: peak_pci: add PCI ID definition pcie card variant
Add PCI ID definition for the single channel PCAN ExpressCard 34 adapter. Due
to the subsystem id evaluation the correct number of channels (here 1) is
created at initialization time. Tested including the LED functionality.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Acked-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-09-18 11:15:09 +02:00
Roger Quadros a7380db5f0 can: c_can_platform: fix parameters of c_can_hw_raminit_ti()
Pass the correct 'mask' and 'value' bits to c_can_hw_raminit_wait_ti(). They
seem to have been swapped in the usage instances.

Reported-by: Jay Schroeder <jay.schroeder@garmin.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-09-18 11:14:30 +02:00
Pablo Neira Ayuso fcfa8f493f Merge branch 'ipvs-next'
Simon Horman says:

====================
This pull requests makes the following changes:

* Add simple weighted fail-over scheduler.
  - Unlike other IPVS schedulers this offers fail-over rather than load
    balancing. Connections are directed to the appropriate server based
    solely on highest weight value and server availability.
  - Thanks to Kenny Mathis

* Support IPv6 real servers in IPv4 virtual-services and vice versa
  - This feature is supported in conjunction with the tunnel (IPIP)
    forwarding mechanism. That is, IPv4 may be forwarded in IPv6 and
    vice versa.
  - The motivation for this is to allow more flexibility in the
    choice of IP version offered by both virtual-servers and
    real-servers as they no longer need to match: An IPv4 connection from an
    end-user may be forwarded to a real-server using IPv6 and vice versa.
  - Further work need to be done to support this feature in conjunction
    with connection synchronisation. For now such configurations are
    not allowed.
  - This change includes update to netlink protocol, adding a new
    destination address family attribute. And the necessary changes
    to plumb this information throughout IPVS.
  - Thanks to Alex Gartrell and Julian Anastasov
====================

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2014-09-18 10:59:33 +02:00
Herbert Xu 689f1c9de2 ipsec: Remove obsolete MAX_AH_AUTH_LEN
While tracking down the MAX_AH_AUTH_LEN crash in an old kernel
I thought that this limit was rather arbitrary and we should
just get rid of it.

In fact it seems that we've already done all the work needed
to remove it apart from actually removing it.  This limit was
there in order to limit stack usage.  Since we've already
switched over to allocating scratch space using kmalloc, there
is no longer any need to limit the authentication length.

This patch kills all references to it, including the BUG_ONs
that led me here.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2014-09-18 10:54:36 +02:00
Alex Gartrell bc18d37f67 ipvs: Allow heterogeneous pools now that we support them
Remove the temporary consistency check and add a case statement to only
allow ipip mixed dests.

Signed-off-by: Alex Gartrell <agartrell@fb.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
2014-09-18 08:59:29 +09:00
Julian Anastasov f18ae7206e ipvs: use the new dest addr family field
Use the new address family field cp->daf when printing
cp->daddr in logs or connection listing.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Alex Gartrell <agartrell@fb.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
2014-09-18 08:59:28 +09:00
Julian Anastasov 4d316f3f9a ipvs: use correct address family in scheduler logs
Needed to support svc->af != dest->af.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Alex Gartrell <agartrell@fb.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
2014-09-18 08:59:23 +09:00
David Howells e2cf1f1cc7 CacheFiles: Handle rename2
Not all filesystems now provide the rename i_op - ext4 for one - but rather
provide the rename2 i_op.  CacheFiles checks that the filesystem has rename
and so will reject ext4 now with EPERM:

	CacheFiles: Failed to register: -1

Fix this by checking for rename2 as an alternative.  The call to vfs_rename()
actually handles selection of the appropriate function, so we needn't worry
about that.

Turning on debugging shows:

	[cachef] ==> cachefiles_get_directory(,,cache)
	[cachef] subdir -> ffff88000b22b778 positive
	[cachef] <== cachefiles_get_directory() = -1 [check]

where -1 is EPERM.

Signed-off-by: David Howells <dhowells@redhat.com>
2014-09-17 23:29:53 +01:00
NeilBrown 696382f938 cachefiles: remove two unused pagevecs.
These two have been unused since

commit c4d6d8dbf3
    CacheFiles: Fix the marking of cached pages

in 3.8.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: David Howells <dhowells@redhat.com>
2014-09-17 23:29:50 +01:00
Milosz Tanski 3e1199dcad FS-Cache: refcount becomes corrupt under vma pressure.
In rare cases under heavy VMA pressure the ref count for a fscache cookie
becomes corrupt. In this case we decrement ref count even if we fail before
incrementing the refcount.

FS-Cache: Assertion failed bnode-eca5f9c6/syslog
0 > 0 is false
------------[ cut here ]------------
kernel BUG at fs/fscache/cookie.c:519!
invalid opcode: 0000 [#1] SMP
Call Trace:
[<ffffffffa01ba060>] __fscache_relinquish_cookie+0x50/0x220 [fscache]
[<ffffffffa02d64ce>] ceph_fscache_unregister_inode_cookie+0x3e/0x50 [ceph]
[<ffffffffa02ae1d3>] ceph_destroy_inode+0x33/0x200 [ceph]
[<ffffffff811cf67e>] ? __fsnotify_inode_delete+0xe/0x10
[<ffffffff811a9e0c>] destroy_inode+0x3c/0x70
[<ffffffff811a9f51>] evict+0x111/0x180
[<ffffffff811aa763>] iput+0x103/0x190
[<ffffffff811a5de8>] __dentry_kill+0x1c8/0x220
[<ffffffff811a5f31>] shrink_dentry_list+0xf1/0x250
[<ffffffff811a762c>] prune_dcache_sb+0x4c/0x60
[<ffffffff811930af>] super_cache_scan+0xff/0x170
[<ffffffff8113d7a0>] shrink_slab_node+0x140/0x2c0
[<ffffffff8113f2da>] shrink_slab+0x8a/0x130
[<ffffffff81142572>] balance_pgdat+0x3e2/0x5d0
[<ffffffff811428ca>] kswapd+0x16a/0x4a0
[<ffffffff810a43f0>] ? __wake_up_sync+0x20/0x20
[<ffffffff81142760>] ? balance_pgdat+0x5d0/0x5d0
[<ffffffff81083e09>] kthread+0xc9/0xe0
[<ffffffff81010000>] ? ftrace_raw_event_xen_mmu_release_ptpage+0x70/0x90
[<ffffffff81083d40>] ? flush_kthread_worker+0xb0/0xb0
[<ffffffff8159f63c>] ret_from_fork+0x7c/0xb0
[<ffffffff81083d40>] ? flush_kthread_worker+0xb0/0xb0
RIP [<ffffffffa01b984b>] __fscache_disable_cookie+0x1db/0x210 [fscache]
RSP <ffff8803bc85f9b8>
---[ end trace 254d0d7c74a01f25 ]---

Signed-off-by: Milosz Tanski <milosz@adfin.com>
Signed-off-by: David Howells <dhowells@redhat.com>
2014-09-17 22:41:40 +01:00
Joern Engel 8ae757d09c iscsi-target: avoid NULL pointer in iscsi_copy_param_list failure
In iscsi_copy_param_list() a failed iscsi_param_list memory allocation
currently invokes iscsi_release_param_list() to cleanup, and will promptly
trigger a NULL pointer dereference.

Instead, go ahead and return for the first iscsi_copy_param_list()
failure case.

Found by coverity.

Signed-off-by: Joern Engel <joern@logfs.org>
Cc: <stable@vger.kernel.org> # v3.1+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-09-17 13:44:01 -07:00
Nicholas Bellinger b53b0d99d6 iscsi-target: Fix memory corruption in iscsit_logout_post_handler_diffcid
This patch fixes a bug in iscsit_logout_post_handler_diffcid() where
a pointer used as storage for list_for_each_entry() was incorrectly
being used to determine if no matching entry had been found.

This patch changes iscsit_logout_post_handler_diffcid() to key off
bool conn_found to determine if the function needs to exit early.

Reported-by: Joern Engel <joern@logfs.org>
Cc: <stable@vger.kernel.org> # v3.1+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-09-17 13:40:19 -07:00
Sebastian Herbszt 1f0b030c45 target: Fix inverted logic in SE_DEV_ALUA_SUPPORT_STATE_STORE
Fix inverted logic in SE_DEV_ALUA_SUPPORT_STATE_STORE for setting
the supported ALUA access states via configfs, originally introduced
in commit b0a382c5.

A value of 1 should enable the support, not disable it.

Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
Cc: <stable@vger.kernel.org> # v3.14+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-09-17 11:06:52 -07:00
Sebastian Herbszt 096b499517 target: Fix user data segment multiplier in spc_emulate_evpd_b3()
This patch fixes an apparent cut and paste error in spc_emulate_evpd_b3(),
where lba_map_segment_size was being used twice for the Referrals VPD.

Go ahead and set the correct user data segment multiplier instead of
user data segment size.

Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-09-17 10:53:25 -07:00
Paul Gortmaker 8ba4caf1ee Revert "init: make rootdelay=N consistent with rootwait behaviour"
This reverts commit 4dfe694f61.

In that, we did:

  Here we move the rootdelay code to be right beside the rootwait code, so
  that their behaviour is consistent.

...which is fine, but in hindsight, perhaps moving the rootwait to be
beside the rootdelay would have been better.  We also indicated:

  It should be noted that in doing so, the actions based on the
  saved_root_name[0] and initrd_load() were previously put on hold by
  rootdelay=N and now currently will not be delayed.  However, I think
  consistent behaviour is more important than matching historical behaviour
  of delaying the above two operations.

But Pavel reported an instance where an ARM target with root on MMC
was failing to mount root, and Russell diagnosed it to the fact that
the call to set ROOT_DEV within the saved_root_name[0] processing
block mentioned above was no longer being delayed.

Rather than moving both wait clauses to the original position of
rootdelay and risking unearthing other possible corner case breakage
at this point in time, we simply revert now and we can revisit
trying the alternate/earlier location in another development cycle.

Cc: Pavel Machek <pavel@denx.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-09-17 08:02:07 -07:00
Markos Chandras dab1b4450d MIPS: SmartMIPS: Disable assembler warnings
The kernel code overrides the default ISA as passed by the compiler
in quite a few places. This has unfortunate side effects when smartmips
is enabled leading to hundreds of warnings during build such as:

{standard input}: Assembler messages:
{standard input}:411: Warning: the `smartmips' extension requires MIPS32
revision 1 or greater
{standard input}: Assembler messages:
{standard input}:43: Warning: the 64-bit MIPS architecture does not support the
`smartmips' extension
[...]

Until the kernel code is fixed properly (if possible), disable all the
assembler warning messages to make the build logs readable again.
This has no runtime side effects but it makes it easier to spot
more critical warnings and problems during build.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7356/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-09-17 14:29:03 +02:00
Aravind Gopalakrishnan 0a0039ad54 hwmon: (fam15h_power) Add support for two more processors
Fam16h,M30h(Mullins) and Fam15hM30h(Kaveri) processors can
report 'power_crit' value. So, adding their respective device ids.

Signed-off-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-09-16 21:16:26 -07:00
Aravind Gopalakrishnan 961a23788c hwmon: (fam15h_power) Make actual power reporting conditional
power1_input should only be reported for Fam15h, Models 00h-0fh
So, introduce a is_visible function to take care of this.

As suggested by Guenter here:
http://marc.info/?l=linux-kernel&m=141038145616437&w=2

Suggested-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 22e32f4f57 ('x86,AMD: Power driver support for AMD's family 16h processors')
Signed-off-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-09-16 21:16:26 -07:00
Benjamin Gaignard 7dc9250f1d drm: sti: do not iterate over the info frame array
avi infoframe is a 13 bytes array, do not read after this limite.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-09-17 11:02:40 +10:00
Mark Brown 94b0955ddd Merge remote-tracking branches 'spi/fix/davinci', 'spi/fix/dw', 'spi/fix/fsl', 'spi/fix/pl022', 'spi/fix/rockchip' and 'spi/fix/sirf' into spi-linus 2014-09-16 16:20:19 -07:00
Filipe Manana 125c4cf9f3 Btrfs: set inode's logged_trans/last_log_commit after ranged fsync
When a ranged fsync finishes if there are still extent maps in the modified
list, still set the inode's logged_trans and last_log_commit. This is important
in case an inode is fsync'ed and unlinked in the same transaction, to ensure its
inode ref gets deleted from the log and the respective dentries in its parent
are deleted too from the log (if the parent directory was fsync'ed in the same
transaction).

Instead make btrfs_inode_in_log() return false if the list of modified extent
maps isn't empty.

This is an incremental on top of the v4 version of the patch:

    "Btrfs: fix fsync data loss after a ranged fsync"

which was added to its v5, but didn't make it on time.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
2014-09-16 16:12:19 -07:00
Bruno Prémont ce6eacb07e vgaarb: Drop obsolete #ifndef
Commit 20cde69402 ("x86, ia64: Move EFI_FB vga_default_device()
initialization to pci_vga_fixup()") moved boot video device detection from
efifb to x86 and ia64 pci/fixup.c.

Remove the left-over #ifndef check that will always match since the
corresponding arch-specific define is gone with above patch.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Matthew Garrett <matthew.garrett@nebula.com>
2014-09-16 15:02:55 -06:00