- A couple of locking fixes for RT kernels
- Avoid printing bogus initrd warnings when initrd isn't present
- Performance fix for random mmap file readahead
- Typo fix
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"This addresses a couple of issues found with RT, a broken initrd
message in the console log and a simple performance fix for some MMC
workloads.
Summary:
- A couple of locking fixes for RT kernels
- Avoid printing bogus initrd warnings when initrd isn't present
- Performance fix for random mmap file readahead
- Typo fix"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: replace read_lock to rcu lock in call_break_hook
arm64: Don't relocate non-existent initrd
arm64: convert patch_lock to raw lock
arm64: readahead: fault retry breaks mmap file read random detection
arm64: debug: Fix typo in debug-monitors.c
* fbdev: Minor fixes to broadsheetfb, fsl-diu-fb, mb862xxfb, tridentfb, omapfb
* display-timing: Fix memory leak in error path
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Merge tag 'fbdev-fixes-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev fixes from Tomi Valkeinen:
- fbdev: Minor fixes to broadsheetfb, fsl-diu-fb, mb862xxfb, tridentfb,
omapfb
- display-timing: Fix memory leak in error path
* tag 'fbdev-fixes-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
video: of: fix memory leak
fbdev: broadsheetfb: fix memory leak
OMAPDSS: panel-sony-acx565akm: Export OF module alias information
fbdev: omap2: connector-dvi: use of_get_i2c_adapter_by_node interface
tridentfb: Fix set_lwidth on TGUI9440 and CYBER9320
tridentfb: fix hang on Blade3D with CONFIG_CC_OPTIMIZE_FOR_SIZE
video: fbdev: mb862xx: Fix module autoload for OF platform driver
video: fbdev: fsl: Fix the sleep function for FSL DIU module
- Fix build break on (at least) powerpc due to sample_reg_masks, not being
available for linking (Sukadev Bhattiprolu)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fix from Arnaldo Carvalho de Melo:
- Fix build break on (at least) powerpc due to sample_reg_masks, not being
available for linking. (Sukadev Bhattiprolu)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The new amdgpu driver passes a user space pointer in a 64-bit structure
member, which is the correct way to do it, but it attempts to
directly cast it to a __user pointer in the kernel, which causes
a warning in three places:
drm/amd/amdgpu/amdgpu_cs.c: In function 'amdgpu_cs_parser_init':
drm/amd/amdgpu/amdgpu_cs.c:180:21: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
chunk_array_user = (uint64_t __user *)(cs->in.chunks);
This changes all three to add an intermediate cast to 'unsigned long'
as other drivers do. This avoids the warning and works correctly on
both 32-bit and 64-bit architectures.
Fixes: e60b344f6c ("drm/amdgpu: optimize amdgpu_parser_init")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
perf_regs.c does not get built on Powerpc as CONFIG_PERF_REGS is false.
So the weak definition for 'sample_regs_masks' doesn't get picked up.
Adding perf_regs.o to util/Build unconditionally, exposes a redefinition
error for 'perf_reg_value()' function (due to the static inline version
in util/perf_regs.h). So use #ifdef HAVE_PERF_REGS_SUPPORT' around that
function.
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: linuxppc-dev@ozlabs.org
Link: http://lkml.kernel.org/r/20150930182836.GA27858@us.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
A couple of fixes for the debugfs information on the register map,
fixing issues with very small reads potentially causing underflows and
wraparounds.
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Merge tag 'regmap-fix-v4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fixes from Mark Brown:
"A couple of fixes for the debugfs information on the register map,
fixing issues with very small reads potentially causing underflows and
wraparounds"
* tag 'regmap-fix-v4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: debugfs: Don't bother actually printing when calculating max length
regmap: debugfs: Ensure we don't underflow when printing access masks
A couple of very minor fixes, one for error handling in the Davinci
driver probe function and another making the Renesas sh-msiof DT binding
documentation correspond to what's actually implemented.
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Merge tag 'spi-fix-v4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A couple of very minor fixes, one for error handling in the Davinci
driver probe function and another making the Renesas sh-msiof DT
binding documentation correspond to what's actually implemented"
* tag 'spi-fix-v4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: sh-msiof: Match renesas,rx-fifo-size in DT bindings doc with driver
spi: davinci: fix handling platform_get_irq result
Two fixes here, one device specific fix for axp20x and a core fix for
cases where one regulator is supplying another which broke probe
deferral, substituting in a dummy regulator too aggressively.
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Merge tag 'regulator-fix-v4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Two fixes here, one device specific fix for axp20x and a core fix for
cases where one regulator is supplying another which broke probe
deferral, substituting in a dummy regulator too aggressively"
* tag 'regulator-fix-v4.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: core: Handle probe deferral from DT when resolving supplies
regulator: axp20x: Fix enable bit indexes for DCDC4 and DCDC5
Some applications use a listen() backlog of 1.
Prior kernels were silently enforcing a qlen_log of 4, so that we were
sending up to /proc/sys/net/ipv4/tcp_synack_retries SYNACK messages.
Fixes: ef547f2ac1 ("tcp: remove max_qlen_log")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Joe Stringer says:
====================
OVS conntrack fixes for net
The userspace side of the Open vSwitch conntrack changes is currently
undergoing review, which has highlighted some minor bugs in the existing
conntrack implementation in the kernel, as well as pointing out some
future-proofing that can be done on the interface to reduce the need for
additional compatibility code in future.
The biggest changes here are to the userspace API for the ct_state match
field and the CT action. This series proposes to firstly extend the ct_state
match field to 32 bits, ensuring to reject any currently unsupported bits.
Secondly, rather than representing CT action flags within a 32-bit field,
simply use a netlink attribute as presence of the single flag that is
defined today. This also serves to reject unsupported ct action flag bits.
v4: Use 12-character abbreviated hashes in commit messages.
v3: Fully acked.
v2: Address minor style feedback, add acks.
v1: Initial post.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Previously, the CT_ATTR_FLAGS attribute, when nested under the
OVS_ACTION_ATTR_CT, encoded a 32-bit bitmask of flags that modify the
semantics of the ct action. It's more extensible to just represent each
flag as a nested attribute, and this requires no additional error
checking to reject flags that aren't currently supported.
Suggested-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The ct_state field was initially added as an 8-bit field, however six of
the bits are already being used and use cases are already starting to
appear that may push the limits of this field. This patch extends the
field to 32 bits while retaining the internal representation of 8 bits.
This should cover forward compatibility of the ABI for the foreseeable
future.
This patch also reorders the OVS_CS_F_* bits to be sequential.
Suggested-by: Jarno Rajahalme <jrajahalme@nicira.com>
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Previously, if userspace specified ct_state bits in the flow key which
are currently undefined (and therefore unsupported), then they would be
ignored. This could cause unexpected behaviour in future if userspace is
extended to support additional bits but attempts to communicate with the
current version of the kernel. This patch rectifies the situation by
rejecting such ct_state bits.
Fixes: 7f8a436eaa "openvswitch: Add conntrack action"
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The ct action uses parts of the flow key, so we need to ensure that it
is valid before executing that action.
Fixes: 7f8a436eaa "openvswitch: Add conntrack action"
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If ovs_fragment() was unable to fragment the skb due to an L2 header
that exceeds the supported length, skbs would be leaked. Fix the bug.
Fixes: 7f8a436eaa "openvswitch: Add conntrack action"
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These comments hadn't caught up to their implementations, fix them.
Fixes: 7f8a436eaa "openvswitch: Add conntrack action"
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Neil Armstrong says:
====================
net: dsa: complete and fix the dsa unbinding
In order to cleanly unbind the dsa core, either as a module removal,
or a platform device unbind, switch the allocation the their devm_
counterparts and complete the destroy functions.
First, the missing kfree were added, the remove function were
completed then kfree were removed in favor to devm_ calls.
The last patch is an way to cleanly exit the probe when no
switch is found in the discover process.
The patches are based on the current net.
v3:
- make checkpatch happy with 1/5 & 5/5
- fix 5/5 exit path with a goto
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
If no switch were found in dsa_setup_dst, return -ENODEV and
exit the dsa_probe cleanly.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now the kfree calls exists in the the remove functions, remove them in all
places except the of_probe functions and replace allocation calls
with their devm_ counterparts.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When unbinding dsa, complete the dsa_switch_destroy to unregister the
fixed link phy then cleanly unregister and destroy the net devices.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To prevent memory leakage on unbinding, add missing mdiobus unregister
and unallocation calls.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To prevent memory leakage on unbinding, add missing kfree calls.
Includes minor cosmetic change to make patch clean.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ursula Braun says:
====================
s390: qeth patches for net-next
here are some s390 related patches for net-next. The qeth patches
are performance optimizations in the driver. The qdio patch corrects
a warning condition.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
If HiperSockets Completion Queueing is enabled, qdio always
issues a warning, since the condition is always met.
This patch fixes the condition in WARN_ON_ONCE that was always
true.
Signed-off-by: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In layer2 mode of the qeth driver, MAC address lists
from struct net_device require mapping to the OSA-card.
The existing implementation is inefficient for lists with
more than several MAC addresses, since for every
ndo_set_rx_mode callback it removes all MAC addresses first,
and then registers the current MAC address list.
This patch changes implementation of ndo_set_rx_mode callback
in qeth, only performing hardware registration/removal for
new/deleted addresses. To shorten lookup of MAC addresses
registered addresses are kept in a hashtable instead of a
linear list.
Signed-off-by: Lakhvich Dmitriy <ldmitriy@ru.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Reviewed-by: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
Reviewed-by: Thomas Richter <tmricht@de.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for GRO (generic receive offload) in the layer 2
part of device driver qeth. This results in a performance
improvement when GRO and RX is turned on.
Signed-off-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Nikolay Aleksandrov says:
====================
bridge: netlink: complete port attribute support
This is the second set that completes the bridge port's netlink support and
makes everything from sysfs available via netlink. I've used sysfs as a
guide of what and how to set again. I've tested setting/getting every
option and also this time tested enabling KASAN. Again there're a few long
line warnings about the ifla attribute names in br_port_info_size() but
as the previous set - it's good to know what's been accounted for.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IFLA_BRPORT_MULTICAST_ROUTER to allow setting/getting port's
multicast_router via netlink.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IFLA_BRPORT_FLUSH to allow flushing port's fdb similar to sysfs's
flush.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add the following attributes in order to export port's timer values:
IFLA_BRPORT_MESSAGE_AGE_TIMER, IFLA_BRPORT_FORWARD_DELAY_TIMER and
IFLA_BRPORT_HOLD_TIMER.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IFLA_BRPORT_TOPOLOGY_CHANGE_ACK and IFLA_BRPORT_CONFIG_PENDING to
allow getting port's topology_change_ack and config_pending respectively
via netlink.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IFLA_BRPORT_(ID|NO) to allow getting port's port_id and port_no
respectively via netlink.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IFLA_BRPORT_DESIGNATED_(COST|PORT) to allow getting the port's
designated cost and port respectively via netlink.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IFLA_BRPORT_BRIDGE_ID to allow getting the designated bridge id via
netlink.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add IFLA_BRPORT_ROOT_ID to allow getting the designated root id via
netlink.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the user specifies a VRF device in a get route query the custom route
pointing to the VRF device is returned:
$ ip route ls table vrf-red
unreachable default
broadcast 10.2.1.0 dev eth1 proto kernel scope link src 10.2.1.2
10.2.1.0/24 dev eth1 proto kernel scope link src 10.2.1.2
local 10.2.1.2 dev eth1 proto kernel scope host src 10.2.1.2
broadcast 10.2.1.255 dev eth1 proto kernel scope link src 10.2.1.2
$ ip route get oif vrf-red 10.2.1.40
10.2.1.40 dev vrf-red
cache
Add the flags to skip the custom route and go directly to the FIB. With
this patch the actual route is returned:
$ ip route get oif vrf-red 10.2.1.40
10.2.1.40 dev eth1 src 10.2.1.2
cache
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* many internal fixes, API improvements, cleanups, etc.
* full AP client state tracking in cfg80211/mac80211 from Ayala
* VHT support (in mac80211) for mesh
* some A-MSDU in A-MPDU support from Emmanuel
* show current TX power to userspace (from Rafał)
* support for netlink dump in vendor commands (myself)
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Merge tag 'mac80211-next-for-davem-2015-10-05' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
For the current cycle, we have the following right now:
* many internal fixes, API improvements, cleanups, etc.
* full AP client state tracking in cfg80211/mac80211 from Ayala
* VHT support (in mac80211) for mesh
* some A-MSDU in A-MPDU support from Emmanuel
* show current TX power to userspace (from Rafał)
* support for netlink dump in vendor commands (myself)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
David Ahern says:
====================
net: Add saddr op to l3mdev and vrf
First 2 patches are re-sends of patches that got lost in the ethosphere
Tuesday; they were part of the first round of l3mdev conversions.
Next 3 handle the source address lookup for raw and datagram sockets
bound to a VRF device.
The conversion to the get_saddr op also fixes locally originated TCP
packets showing up at the VRF device. The use of the FLOWI_FLAG_L3MDEV_SRC
flag in ip_route_connect_init was causing locally generated packets
to skip the VRF device.
v2
- rebased to top of net-next per device delete fix and hash based
multipath patches
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
ping originated on box through a VRF device is showing up in tcpdump
without a source address:
$ tcpdump -n -i vrf-blue
08:58:33.311303 IP 0.0.0.0 > 10.2.2.254: ICMP echo request, id 2834, seq 1, length 64
08:58:33.311562 IP 10.2.2.254 > 10.2.2.2: ICMP echo reply, id 2834, seq 1, length 64
Add the call to l3mdev_get_saddr to raw_sendmsg.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add operation to l3mdev to lookup source address for a given flow.
Add support for the operation to VRF driver and convert existing
IPv4 hooks to use the new lookup.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
VRF device needs the same path selection following lookup to set source
address. Rather than duplicating code, move existing code into a
function that is exported to modules.
Code move only; no functional change.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
IPv6 addrconf keys off of IFF_SLAVE so can not use it for L3 slave.
Add a new private flag and add netif_is_l3_slave function for checking
it.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It occurred to me yesterday that 741a11d9e4 ("net: ipv6: Add
RT6_LOOKUP_F_IFACE flag if oif is set") means that xfrm6_dst_lookup
needs the FLOWI_FLAG_SKIP_NH_OIF flag set. This latest commit causes
the oif to be considered in lookups which is known to break vti. This
explains why 58189ca7b2 did not the IPv6 change at the time it was
submitted.
Fixes: 42a7b32b73 ("xfrm: Add oif to dst lookups")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It occurred to me yesterday that 741a11d9e4 ("net: ipv6: Add
RT6_LOOKUP_F_IFACE flag if oif is set") means that xfrm6_dst_lookup
needs the FLOWI_FLAG_SKIP_NH_OIF flag set. This latest commit causes
the oif to be considered in lookups which is known to break vti. This
explains why 58189ca7b2 did not the IPv6 change at the time it was
submitted.
Fixes: 42a7b32b73 ("xfrm: Add oif to dst lookups")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This enables eTSEC's filer (Rx parser) and the FGPI Rx
interrupt (Filer General Purpose Interrupt) as a wakeup
source event.
Upon entering suspend state, the eTSEC filer is given
a rule to match incoming L2 unicast packets. A packet
matching the rule will be enqueued in the Rx ring and
a FGPI Rx interrupt will be asserted by the filer to
wakeup the system. Other packet types will be dropped.
On resume the filer table is restored to the content
before entering suspend state.
The set of rules from gfar_filer_config_wol() could be
extended to implement other WoL capabilities as well.
The "fsl,wake-on-filer" DT binding enables this capability
on certain platforms that feature the necessary power
management infrastructure, targeting mainly printing and
imaging applications.
(refer to Power Management section of the SoC Ref Man)
Cc: Li Yang <leoli@freescale.com>
Cc: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Enable the "wake-on-filer" (aka. wake on user defined packet)
wake on lan capability for the eTSEC ethernet nodes.
Cc: Li Yang <leoli@freescale.com>
Cc: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
