Consider the scenario where an IPv6 router is advertising a fixed
preferred_lft of 1800 seconds, while the valid_lft begins at 3600
seconds and counts down in realtime.
A client should reset its preferred_lft to 1800 every time the RA is
received, but a bug is causing Linux to ignore the update.
The core problem is here:
if (prefered_lft != ifp->prefered_lft) {
Note that ifp->prefered_lft is an offset, so it doesn't decrease over
time. Thus, the comparison is always (1800 != 1800), which fails to
trigger an update.
The most direct solution would be to compute a "stored_prefered_lft",
and use that value in the comparison. But I think that trying to filter
out unnecessary updates here is a premature optimization. In order for
the filter to apply, both of these would need to hold:
- The advertised valid_lft and preferred_lft are both declining in
real time.
- No clock skew exists between the router & client.
So in this patch, I've set "update_lft = 1" unconditionally, which
allows the surrounding code to be greatly simplified.
Signed-off-by: Paul Marks <pmarks@google.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
While sending packet skb_cow_head() can change skb header which
invalidates inner_iph pointer to skb header. Following patch
avoid using it. Found by code inspection.
This bug was introduced by commit 0e6fbc5b6c (ip_tunnels: extend
iptunnel_xmit()).
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cinterion PLXX LTE devices have a 0x0060 product ID, not 0x12d1.
The blacklisting in the serial/option driver does actually use the correct PID,
as per commit 8ff10bdb14 ('USB: Blacklisted
Cinterion's PLxx WWAN Interface').
CC: Hans-Christoph Schemmel <hans-christoph.schemmel@gemalto.com>
CC: Christian Schmiedl <christian.schmiedl@gemalto.com>
CC: Nicolaus Colberg <nicolaus.colberg@gemalto.com>
Signed-off-by: Aleksander Morgado <aleksander@lanedo.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Christian Schmiedl <christian.schmiedl@gemalto.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Newer firmware use a new pid and a different interface.
Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently IEEE 1588 timer reference clock source is determined through
hard-coded value in gianfar_ptp driver. This patch allows to select ptp
clock source by means of device tree file node.
For instance:
fsl,cksel = <0>;
for using external (TSEC_TMR_CLK input) high precision timer
reference clock.
Other acceptable values:
<1> : eTSEC system clock
<2> : eTSEC1 transmit clock
<3> : RTC clock input
When this attribute isn't used, eTSEC system clock will serve as
IEEE 1588 timer reference clock.
Signed-off-by: Aida Mynzhasova <aida.mynzhasova@skitlab.ru>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use of RCU api makes vxlan code easier to understand. It also
fixes bug due to missing ACCESS_ONCE() on sk_user_data dereference.
In rare case without ACCESS_ONCE() compiler might omit vs on
sk_user_data dereference.
Compiler can use vs as alias for sk->sk_user_data, resulting in
multiple sk_user_data dereference in rcu read context which
could change.
CC: Jesse Gross <jesse@nicira.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Quite a few fixes here, mostly small driver specific ones. The stand
out thing is a fix for errors generating the documentation from Randy
Dunlap, otherwise unless you're using the driver in question there
should be no impact.
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Merge tag 'regulator-v3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Quite a few fixes here, mostly small driver specific ones.
The stand out thing is a fix for errors generating the documentation
from Randy Dunlap, otherwise unless you're using the driver in
question there should be no impact"
* tag 'regulator-v3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: ti-abb: Fix bias voltage glitch in transition to bypass mode
regulator: wm831x-ldo: Fix max_uV for gp_ldo and aldo linear range settings
regulator: wm8350: correct the max_uV of LDO
regulator: fix fatal kernel-doc error
regulator: palmas: Remove wrong comment for the equation calculating num_voltages
regulator: da9063: Fix PTR_ERR/ERR_PTR mismatch
regulator: palmas: configure enable time for LDOs
regulator: palmas: fix the n_voltages for smps to 122
This keeps the kernel happy when using edge-irqs and requesting a
threaded irq.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Extract and print info for the new RDL 5, 6, 7 and 8.
Replace const struct with function which translates
the RDL number to string.
Signed-off-by: Victor Goldenshtein <victorg@ti.com>
Signed-off-by: Barak Bercovitz <barak@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
In addition to existing WCS PLL configuration add and enable
also the coex PLL during init phase. This fixes boot failures
due to silicon latchup in high temperature environment (>85c).
Signed-off-by: Victor Goldenshtein <victorg@ti.com>
Signed-off-by: Nadim Zubidat <nadimz@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Channels 52-64 were mapped incorrectly.
Refactor and document wlcore_get_reg_conf_ch_idx() in
order to make it clear what's going on there.
While on it, fix the return value check to consider
0 as a valid return value as well (indicates channel 1).
Reported-by: Yaniv Machani <yanivma@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Ido Reis <idor@ti.com>
Signed-off-by: Victor Goldenshtein <victorg@ti.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Pull apparmor fixes from James Morris:
"Bugfixes for the Apparmor code for regressions introduced in the 3.12
pull request"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
apparmor: fix suspicious RCU usage warning in policy.c/policy.h
apparmor: Use shash crypto API interface for profile hashes
wlvif could be passed as NULL from the wlcore_tx_work_locked()
to the wl1271_prepare_tx_frame() and to wl1271_skb_queue_head()
functions. This may lead to a Kernel panic, fix this by
validating that wlvif != NULL.
Signed-off-by: Victor Goldenshtein <victorg@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Remove scan debug dumps which are rarely used.
Make scan debug prints more clear and short.
Signed-off-by: Victor Goldenshtein <victorg@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
We need some stuff done on idle change, most notably we have to stop
sched-scanning. Take care of this by reintroducing idle handling.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
We now disable elp sleep during plt mode to allow normal operation of
plt tools such as calibrator.
Having elp_sleep enabled during plt mode is actually not required and
in fact it disrupt plt operations such as rx statistics etc.
Signed-off-by: Yair Shapira <yair.shapira@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Under this mode the chip is powered on including sdio
but no FW is downloaded and run, interrupts are not enabled, etc...
This mode is intended to allow RTTT to bridge sdio as a transport
to the chip.
Driver only provides sdio access using the dev_mem debugfs file.
Some fixes done to the code that ensures that PLT mode and normal
driver power mode (ifconfig/add_interface) are mutually excluded.
Signed-off-by: Yair Shapira <yair.shapira@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Start a ROC on the AP channel beforing sending the authentication reply
to a connecting STA. This ROC is held up to 1 second via a timer. If the
station is authorized and added by mac80211, the ROC is extended until
the station is fully authorized.
We make sure not to ROC twice when several stations are connecting in
parallel and to only release the ROC when both the pending-reply timer
and the STA-state callbacks do not require it.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Pull assorted vfs fixes from Al Viro:
"A couple of bug fixes + removal of dead code in afs ->d_revalidate()"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
afs: dget_parent() can't return a negative dentry
ocfs2: needs ->d_lock to poke in ->d_parent->d_inode from ->d_revalidate()
sysv: Add forgotten superblock lock init for v7 fs
Pull AVR32 fixes from Hans-Christian Egtvedt.
Fix build warnings and use the Kbuild infrastructure for generic headers
rather than doing it by hand.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32:
avr32: cast syscall_return to silence compiler warning
avr32: fix clockevents kernel warning
avr32: use Kbuild infrastructure to handle the asm-generic headers
Pull S+core fixes from Lennox Wu:
"These updates include updating information of maintainers, fix some
trivial errors, and add a necessary function for supporting ipv6"
* tag 'for-linus-20130929' of git://github.com/sctscore/official-linux:
Score: Update the information of Score maintaners
Score: Modify the Makefile of Score, remove -mlong-calls for compiling
Score: Implement the function csum_ipv6_magic
Score: The commit is for compiling successfully
In the flexcan_chip_start() function first the flexcan core is going through
the soft reset sequence, then the RX FIFO is enabled.
With the hardware is put into FIFO mode, message buffers 1...7 are reserved by
the FIFO engine. The remaining message buffers are in reset default values.
This patch removes the bogus initialization of the message buffers, as it
causes an imprecise external abort on imx6.
Cc: linux-stable <stable@vger.kernel.org>
Reported-by: Lothar Waßmann <LW@KARO-electronics.de>
Tested-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
TCP packets hitting the SYN proxy through the SYNPROXY target are not
validated by TCP conntrack. When th->doff is below 5, an underflow happens
when calculating the options length, causing skb_header_pointer() to
return NULL and triggering the BUG_ON().
Handle this case gracefully by checking for NULL instead of using BUG_ON().
Reported-by: Martin Topholm <mph@one.com>
Tested-by: Martin Topholm <mph@one.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The patch fixes the following compiler warning:
CC arch/avr32/kernel/process.o
arch/avr32/kernel/process.c: In function 'copy_thread':
arch/avr32/kernel/process.c:292: warning: assignment makes integer \
from pointer without a cast
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Since commit 01426478df
(avr32: Use generic idle loop) the kernel throws the
following warning on avr32:
WARNING: at 900322e4 [verbose debug info unavailable]
Modules linked in:
CPU: 0 PID: 0 Comm: swapper Not tainted 3.12.0-rc2 #117
task: 901c3ecc ti: 901c0000 task.ti: 901c0000
PC is at cpu_idle_poll_ctrl+0x1c/0x38
LR is at comparator_mode+0x3e/0x40
pc : [<900322e4>] lr : [<90014882>] Not tainted
sp : 901c1f74 r12: 00000000 r11: 901c74a0
r10: 901d2510 r9 : 00000001 r8 : 901db4de
r7 : 901c74a0 r6 : 00000001 r5 : 00410020 r4 : 901db574
r3 : 00410024 r2 : 90206fe0 r1 : 00000000 r0 : 007f0000
Flags: qvnzc
Mode bits: hjmde....G
CPU Mode: Supervisor
Call trace:
[<90039ede>] clockevents_set_mode+0x16/0x2e
[<90039f00>] clockevents_shutdown+0xa/0x1e
[<9003a078>] clockevents_exchange_device+0x58/0x70
[<9003a78c>] tick_check_new_device+0x38/0x54
[<9003a1a2>] clockevents_register_device+0x32/0x90
[<900035c4>] time_init+0xa8/0x108
[<90000520>] start_kernel+0x128/0x23c
When the 'avr32_comparator' clockevent device is registered,
the clockevent core sets the mode of that clockevent device
to CLOCK_EVT_MODE_SHUTDOWN. Due to this, the 'comparator_mode'
function calls the 'cpu_idle_poll_ctrl' to disables idle poll.
This results in the aforementioned warning because the polling
is not enabled yet.
Change the code to only disable idle poll if it is enabled by
the same function to avoid the warning.
Cc: stable@vger.kernel.org
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Use kbuild to add asm-generic headers that do nothing, also remove the arch
specific wrapper headers.
This only affects headers that do nothing but include the generic
equivalent. It does not touch any header that does a little more.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Superblock lock was replaced with (un)lock_super() removal, but left
uninitialized for Seventh Edition UNIX filesystem in the following commit (3.7):
c07cb01 sysv: drop lock/unlock super
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Use the shash interface, rather than the hash interface, when hashing
AppArmor profiles. The shash interface does not use scatterlists and it
is a better fit for what AppArmor needs.
This fixes a kernel paging BUG when aa_calc_profile_hash() is passed a
buffer from vmalloc(). The hash interface requires callers to handle
vmalloc() buffers differently than what AppArmor was doing. Due to
vmalloc() memory not being physically contiguous, each individual page
behind the buffer must be assigned to a scatterlist with sg_set_page()
and then the scatterlist passed to crypto_hash_update().
The shash interface does not have that limitation and allows vmalloc()
and kmalloc() buffers to be handled in the same manner.
BugLink: https://launchpad.net/bugs/1216294/
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=62261
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Acked-by: Seth Arnold <seth.arnold@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
Here are a number of USB driver fixes for 3.12-rc3.
These are all for host controller issues that have been reported, and there's a
fix for an annoying error message that gets printed every time you remove a USB
3 device from the system that's been bugging me for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of USB driver fixes for 3.12-rc3.
These are all for host controller issues that have been reported, and
there's a fix for an annoying error message that gets printed every
time you remove a USB 3 device from the system that's been bugging me
for a while"
* tag 'usb-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: dwc3: add support for Merrifield
USB: fsl/ehci: fix failure of checking PHY_CLK_VALID during reinitialization
USB: Fix breakage in ffs_fs_mount()
fsl/usb: Resolve PHY_CLK_VLD instability issue for ULPI phy
usb/core/devio.c: Don't reject control message to endpoint with wrong direction bit
usb: chipidea: USB_CHIPIDEA should depend on HAS_DMA
usb: chipidea: udc: free pending TD at removal procedure
usb: chipidea: imx: Add usb_phy_shutdown at probe's error path
usb: chipidea: Fix memleak for ci->hw_bank.regmap when removal
usb: chipidea: udc: fix the oops after rmmod gadget
USB: fix PM config symbol in uhci-hcd, ehci-hcd, and xhci-hcd
USB: OHCI: accept very late isochronous URBs
USB: UHCI: accept very late isochronous URBs
USB: iMX21: accept very late isochronous URBs
usbcore: check usb device's state before sending a Set SEL control transfer
xhci: Fix race between ep halt and URB cancellation
usb: Fix xHCI host issues on remote wakeup.
xhci: Ensure a command structure points to the correct trb on the command ring
xhci: Fix oops happening after address device timeout
Here are some serial at tty driver fixes for 3.12-rc3
The serial driver fixes some kref leaks, documentation is moved to the proper
places, and the tty and n_tty fixes resolve some reported regressions. There
is still one outstanding tty regression fix that isn't in here yet, as I want
to test it out some more, it will be sent for 3.12-rc4 if it checks out.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some serial at tty driver fixes for 3.12-rc3
The serial driver fixes some kref leaks, documentation is moved to the
proper places, and the tty and n_tty fixes resolve some reported
regressions. There is still one outstanding tty regression fix that
isn't in here yet, as I want to test it out some more, it will be sent
for 3.12-rc4 if it checks out"
* tag 'tty-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: ar933x_uart: move devicetree binding documentation
tty: Fix SIGTTOU not sent with tcflush()
n_tty: Fix EOF push index when termios changes
serial: pch_uart: remove unnecessary tty_port_tty_get
serial: pch_uart: fix tty-kref leak in dma-rx path
serial: pch_uart: fix tty-kref leak in rx-error path
serial: tegra: fix tty-kref leak
Here are some staging driver fixes, MAINTAINER updates, and a new device
id. All of these have been in the linux-next tree, and are pretty
simple patches.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging fixes from Greg KH:
"Here are some staging driver fixes, MAINTAINER updates, and a new
device id. All of these have been in the linux-next tree, and are
pretty simple patches"
* tag 'staging-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: r8188eu: Add new device ID
staging: imx-drm: Fix probe failure
staging: vt6656: [BUG] iwctl_siwencodeext return if device not open
staging: vt6656: [BUG] main_usb.c oops on device_close move flag earlier.
staging: vt6656: rxtx.c [BUG] s_vGetFreeContext dead lock on null apTD.
Staging: rtl8192u: r819xU_cmdpkt: checking NULL value after doing dev_alloc_skb
staging: usbip: Orphan usbip
staging: r8188eu: Add files for new drive: Cocci spatch "noderef"
staging: r8188eu: Cocci spatch "noderef"
staging: octeon-usb: Cocci spatch "noderef"
staging: r8188eu: Add files for new drive: Cocci spatch "noderef"
MAINTAINERS: staging: dgnc and dgap drivers: add maintainer
staging: lustre: Cocci spatch "noderef"
Here are 2 fixes for 3.12-rc3. One fixes a sysfs problem with mounting caused
by 3.12-rc1, and the other is a bug reported by the chromeos developers with
the driver core.
Both have been in linux-next for a bit.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core / sysfs fixes from Greg KH:
"Here are 2 fixes for 3.12-rc3. One fixes a sysfs problem with
mounting caused by 3.12-rc1, and the other is a bug reported by the
chromeos developers with the driver core.
Both have been in linux-next for a bit"
* tag 'driver-core-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
driver core : Fix use after free of dev->parent in device_shutdown
sysfs: Allow mounting without CONFIG_NET
Here are some HyperV and MEI driver fixes for 3.12-rc3. They resolve some
issues that people have been reporting for them.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some HyperV and MEI driver fixes for 3.12-rc3. They resolve
some issues that people have been reporting for them"
* tag 'char-misc-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Drivers: hv: vmbus: Terminate vmbus version negotiation on timeout
Drivers: hv: util: Correctly support ws2008R2 and earlier
mei: cancel stall timers in mei_reset
mei: bus: stop wait for read during cl state transition
mei: make me client counters less error prone
The previous patch introduces a compile warning by not assigning an initial
value to the "flavor" variable. This could only be a problem if the server
returns a supported secflavor list of length zero, but it's better to
fix this before it's ever hit.
Signed-off-by: Anna Schumaker <bjschuma@netapp.com>
Acked-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Call nfs4_lookup_root_sec for each flavor returned by SECINFO_NO_NAME until
one works.
One example of a situation this fixes:
- server configured for krb5
- server principal somehow gets deleted from KDC
- server still thinking krb is good, sends krb5 as first entry in
SECINFO_NO_NAME response
- client tries krb5, but this fails without even sending an RPC because
gssd's requests to the KDC can't find the server's principal
Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
We need to ensure that the initialisation of the data server nfs_client
structure in nfs4_ds_connect is correctly ordered w.r.t. the read of
ds->ds_clp in nfs4_fl_prepare_ds.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
- Fix an Oops when nfs4_ds_connect() returns an error.
- Always check the device status after waiting for a connect to complete.
Reported-by: Andy Adamson <andros@netapp.com>
Reported-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: <stable@vger.kernel.org> # v3.10+
