Commit Graph

494856 Commits

Author SHA1 Message Date
Hanjun Guo
d02dc27db0 ACPI / processor: Rename acpi_(un)map_lsapic() to acpi_(un)map_cpu()
acpi_map_lsapic() will allocate a logical CPU number and map it to
physical CPU id (such as APIC id) for the hot-added CPU, it will also
do some mapping for NUMA node id and etc, acpi_unmap_lsapic() will
do the reverse.

We can see that the name of the function is a little bit confusing and
arch (IA64) dependent so rename them as acpi_(un)map_cpu() to make arch
agnostic and explicit.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-01-05 23:34:26 +01:00
Hanjun Guo
af8f3f514d ACPI / processor: Convert apic_id to phys_id to make it arch agnostic
apic_id in MADT table is the CPU hardware id which identify
it self in the system for x86 and ia64, OSPM will use it for
SMP init to map APIC ID to logical cpu number in the early
boot, when the DSDT/SSDT (ACPI namespace) is scanned later, the
ACPI processor driver is probed and the driver will use acpi_id
in DSDT to get the apic_id, then map to the logical cpu number
which is needed by the processor driver.

Before ACPI 5.0, only x86 and ia64 were supported in ACPI spec,
so apic_id is used both in arch code and ACPI core which is
pretty fine. Since ACPI 5.0, ARM is supported by ACPI and
APIC is not available on ARM, this will confuse people when
apic_id is both used by x86 and ARM in one function.

So convert apic_id to phys_id (which is the original meaning)
in ACPI processor dirver to make it arch agnostic, but leave the
arch dependent code unchanged, no functional change.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-01-05 23:32:42 +01:00
Linus Torvalds
f40bde8588 Add execveat syscall
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Merge tag 'please-pull-syscall' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 fixlet from Tony Luck:
 "Add execveat syscall"

* tag 'please-pull-syscall' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  [IA64] Enable execveat syscall for ia64
2015-01-05 14:31:20 -08:00
Rafael J. Wysocki
1b1f3e1699 ACPI / PM: Fix PM initialization for devices that are not present
If an ACPI device object whose _STA returns 0 (not present and not
functional) has _PR0 or _PS0, its power_manageable flag will be set
and acpi_bus_init_power() will return 0 for it.  Consequently, if
such a device object is passed to the ACPI device PM functions, they
will attempt to carry out the requested operation on the device,
although they should not do that for devices that are not present.

To fix that problem make acpi_bus_init_power() return an error code
for devices that are not present which will cause power_manageable to
be cleared for them as appropriate in acpi_bus_get_power_flags().
However, the lists of power resources should not be freed for the
device in that case, so modify acpi_bus_get_power_flags() to keep
those lists even if acpi_bus_init_power() returns an error.
Accordingly, when deciding whether or not the lists of power
resources need to be freed, acpi_free_power_resources_lists()
should check the power.flags.power_resources flag instead of
flags.power_manageable, so make that change too.

Furthermore, if acpi_bus_attach() sees that flags.initialized is
unset for the given device, it should reset the power management
settings of the device and re-initialize them from scratch instead
of relying on the previous settings (the device may have appeared
after being not present previously, for example), so make it use
the 'valid' flag of the D0 power state as the initial value of
flags.power_manageable for it and call acpi_bus_init_power() to
discover its current power state.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: 3.10+ <stable@vger.kernel.org> # 3.10+
2015-01-05 22:49:52 +01:00
Tony Luck
b739896dd2 [IA64] Enable execveat syscall for ia64
See commit 51f39a1f0c
    syscalls: implement execveat() system call

Signed-off-by: Tony Luck <tony.luck@intel.com>
2015-01-05 11:25:19 -08:00
Sasha Levin
a3a8784454 KEYS: close race between key lookup and freeing
When a key is being garbage collected, it's key->user would get put before
the ->destroy() callback is called, where the key is removed from it's
respective tracking structures.

This leaves a key hanging in a semi-invalid state which leaves a window open
for a different task to try an access key->user. An example is
find_keyring_by_name() which would dereference key->user for a key that is
in the process of being garbage collected (where key->user was freed but
->destroy() wasn't called yet - so it's still present in the linked list).

This would cause either a panic, or corrupt memory.

Fixes CVE-2014-9529.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: David Howells <dhowells@redhat.com>
2015-01-05 15:58:01 +00:00
Wolfram Sang
2c0ee8b85a iommu/rockchip: Drop owner assignment from platform_drivers
This platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2015-01-05 12:40:06 +01:00
Joerg Roedel
6d1b9cc9ee iommu/vt-d: Remove dead code in device_notifier
This code only runs when action == BUS_NOTIFY_REMOVED_DEVICE,
so it can't be BUS_NOTIFY_DEL_DEVICE.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
2015-01-05 12:23:38 +01:00
Joerg Roedel
62c22167dd iommu/vt-d: Fix dmar_domain leak in iommu_attach_device
Since commit 1196c2f a domain is only destroyed in the
notifier path if it is hot-unplugged. This caused a
domain leakage in iommu_attach_device when a driver was
unbound from the device and bound to VFIO. In this case the
device is attached to a new domain and unlinked from the old
domain. At this point nothing points to the old domain
anymore and its memory is leaked.
Fix this by explicitly freeing the old domain in
iommu_attach_domain.

Fixes: 1196c2f (iommu/vt-d: Fix dmar_domain leak in iommu_attach_device)
Cc: stable@vger.kernel.org # v3.18
Tested-by: Jerry Hoemann <jerry.hoemann@hp.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2015-01-05 12:23:38 +01:00
Laurent Pinchart
04561ca5c7 iommu/ipmmu-vmsa: Change IOMMU_EXEC to IOMMU_NOEXEC
Commit a720b41c41 ("iommu/arm-smmu: change IOMMU_EXEC to
IOMMU_NOEXEC") has inverted and replaced the IOMMU_EXEC flag with
IOMMU_NOEXEC. Update the driver accordingly.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2015-01-05 12:23:37 +01:00
Vinson Lee
0b8c960cf6 crypto: sha-mb - Add avx2_supported check.
This patch fixes this allyesconfig target build error with older
binutils.

  LD      arch/x86/crypto/built-in.o
ld: arch/x86/crypto/sha-mb/built-in.o: No such file: No such file or directory

Cc: stable@vger.kernel.org # 3.18+
Signed-off-by: Vinson Lee <vlee@twitter.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-01-05 21:35:02 +11:00
Mathias Krause
0b1e95b2fa crypto: aesni - fix "by8" variant for 128 bit keys
The "by8" counter mode optimization is broken for 128 bit keys with
input data longer than 128 bytes. It uses the wrong key material for
en- and decryption.

The key registers xkey0, xkey4, xkey8 and xkey12 need to be preserved
in case we're handling more than 128 bytes of input data -- they won't
get reloaded after the initial load. They must therefore be (a) loaded
on the first iteration and (b) be preserved for the latter ones. The
implementation for 128 bit keys does not comply with (a) nor (b).

Fix this by bringing the implementation back to its original source
and correctly load the key registers and preserve their values by
*not* re-using the registers for other purposes.

Kudos to James for reporting the issue and providing a test case
showing the discrepancies.

Reported-by: James Yonan <james@openvpn.net>
Cc: Chandramouli Narayanan <mouli@linux.intel.com>
Cc: <stable@vger.kernel.org> # v3.18
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-01-05 21:35:02 +11:00
Johannes Berg
1e359a5de8 Revert "mac80211: Fix accounting of the tailroom-needed counter"
This reverts commit ca34e3b5c8.

It turns out that the p54 and cw2100 drivers assume that there's
tailroom even when they don't say they really need it. However,
there's currently no way for them to explicitly say they do need
it, so for now revert this.

This fixes https://bugzilla.kernel.org/show_bug.cgi?id=90331.

Cc: stable@vger.kernel.org
Fixes: ca34e3b5c8 ("mac80211: Fix accounting of the tailroom-needed counter")
Reported-by: Christopher Chavez <chrischavez@gmx.us>
Bisected-by: Larry Finger <Larry.Finger@lwfinger.net>
Debugged-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-01-05 10:33:46 +01:00
Felipe Balbi
7ce67a38f7 net: ethernet: cpsw: fix hangs with interrupts
The CPSW IP implements pulse-signaled interrupts. Due to
that we must write a correct, pre-defined value to the
CPDMA_MACEOIVECTOR register so the controller generates
a pulse on the correct IRQ line to signal the End Of
Interrupt.

The way the driver is written today, all four IRQ lines
are requested using the same IRQ handler and, because of
that, we could fall into situations where a TX IRQ fires
but we tell the controller that we ended an RX IRQ (or
vice-versa). This situation triggers an IRQ storm on the
reserved IRQ 127 of INTC which will in turn call ack_bad_irq()
which will, then, print a ton of:

	unexpected IRQ trap at vector 00

In order to fix the problem, we are moving all calls to
cpdma_ctlr_eoi() inside the IRQ handler and making sure
we *always* write the correct value to the CPDMA_MACEOIVECTOR
register. Note that the algorithm assumes that IRQ numbers and
value-to-be-written-to-EOI are proportional, meaning that a
write of value 0 would trigger an EOI pulse for the RX_THRESHOLD
Interrupt and that's the IRQ number sitting in the 0-th index
of our irqs_table array.

This, however, is safe at least for current implementations of
CPSW so we will refrain from making the check smarter (and, as
a side-effect, slower) until we actually have a platform where
IRQ lines are swapped.

This patch has been tested for several days with AM335x- and
AM437x-based platforms. AM57x was left out because there are
still pending patches to enable ethernet in mainline for that
platform. A read of the TRM confirms the statement on previous
paragraph.

Reported-by: Yegor Yefremov <yegorslists@googlemail.com>
Fixes: 510a1e7 (drivers: net: davinci_cpdma: acknowledge interrupt properly)
Cc: <stable@vger.kernel.org> # v3.9+
Signed-off-by: Felipe Balbi <balbi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-04 22:18:34 -05:00
Linus Torvalds
693a30b8f1 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML fixes from Richard Weinberger:
 "Two fixes for UML regressions. Nothing exciting"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
  x86, um: actually mark system call tables readonly
  um: Skip futex_atomic_cmpxchg_inatomic() test
2015-01-04 11:46:43 -08:00
Pavel Machek
4bf9636c39 Revert "ARM: 7830/1: delay: don't bother reporting bogomips in /proc/cpuinfo"
Commit 9fc2105aea ("ARM: 7830/1: delay: don't bother reporting
bogomips in /proc/cpuinfo") breaks audio in python, and probably
elsewhere, with message

  FATAL: cannot locate cpu MHz in /proc/cpuinfo

I'm not the first one to hit it, see for example

  https://theredblacktree.wordpress.com/2014/08/10/fatal-cannot-locate-cpu-mhz-in-proccpuinfo/
  https://devtalk.nvidia.com/default/topic/765800/workaround-for-fatal-cannot-locate-cpu-mhz-in-proc-cpuinf/?offset=1

Reading original changelog, I have to say "Stop breaking working setups.
You know who you are!".

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-01-04 11:39:59 -08:00
Daniel Borkmann
b485342bd7 x86, um: actually mark system call tables readonly
Commit a074335a37 ("x86, um: Mark system call tables readonly") was
supposed to mark the sys_call_table in UML as RO by adding the const,
but it doesn't have the desired effect as it's nevertheless being placed
into the data section since __cacheline_aligned enforces sys_call_table
being placed into .data..cacheline_aligned instead. We need to use
the ____cacheline_aligned version instead to fix this issue.

Before:

$ nm -v arch/x86/um/sys_call_table_64.o | grep -1 "sys_call_table"
                 U sys_writev
0000000000000000 D sys_call_table
0000000000000000 D syscall_table_size

After:

$ nm -v arch/x86/um/sys_call_table_64.o | grep -1 "sys_call_table"
                 U sys_writev
0000000000000000 R sys_call_table
0000000000000000 D syscall_table_size

Fixes: a074335a37 ("x86, um: Mark system call tables readonly")
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2015-01-04 14:21:25 +01:00
Richard Weinberger
f911d73105 um: Skip futex_atomic_cmpxchg_inatomic() test
futex_atomic_cmpxchg_inatomic() does not work on UML because
it triggers a copy_from_user() in kernel context.
On UML copy_from_user() can only be used if the kernel was called
by a real user space process such that UML can use ptrace()
to fetch the value.

Reported-by: Miklos Szeredi <miklos@szeredi.hu>
Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
Tested-by: Daniel Walter <d.walter@0x90.at>
2015-01-04 14:20:26 +01:00
Govindarajulu Varadarajan
9dac6232e2 enic: free all rq buffs when allocation fails
When allocation of all RQs fail, we do not free previously allocated buffers,
before returning error. This causes memory leak.

This patch fixes this by calling vnic_rq_clean(), which frees all the rq
buffers.

Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-02 16:43:45 -05:00
Kristian Evensen
531ad4282e qmi_wwan: Set random MAC on devices with buggy fw
Some buggy firmwares export an incorrect MAC address (00:a0:c6:00:00:00). This
makes for example checking devices for random MAC addresses tricky, and you
might end up with multiple network interfaces with the same address.

This patch tries to fix, or at least improve, the situation by setting the MAC
address of devices with this firmware bug to a random address. I tested the
patch with two devices that has this firmware bug (Huawei E398 and E392), and
network traffic worked fine after changing the address.

Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-02 16:41:47 -05:00
Linus Torvalds
d753856c9f SCSI fixes on 20150102
This is a set of three fixes: one to correct an abort path thinko causing
 failures (and a panic) in USB on device misbehaviour, One to fix an out of
 order issue in the fnic driver and one to match discard expectations to qemu
 which otherwise cause Linux to behave badly as a guest.
 
 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 three fixes: one to correct an abort path thinko
  causing failures (and a panic) in USB on device misbehaviour, One to
  fix an out of order issue in the fnic driver and one to match discard
  expectations to qemu which otherwise cause Linux to behave badly as a
  guest"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  SCSI: fix regression in scsi_send_eh_cmnd()
  fnic: IOMMU Fault occurs when IO and abort IO is out of order
  sd: tweak discard heuristics to work around QEMU SCSI issue
2015-01-02 13:24:41 -08:00
Ben Pfaff
24cc59d1eb openvswitch: Consistently include VLAN header in flow and port stats.
Until now, when VLAN acceleration was in use, the bytes of the VLAN header
were not included in port or flow byte counters.  They were however
included when VLAN acceleration was not used.  This commit corrects the
inconsistency, by always including the VLAN header in byte counters.

Previous discussion at
http://openvswitch.org/pipermail/dev/2014-December/049521.html

Reported-by: Motonori Shindo <mshindo@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Reviewed-by: Flavio Leitner <fbl@sysclose.org>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-02 16:14:20 -05:00
Herbert Xu
843925f33f tcp: Do not apply TSO segment limit to non-TSO packets
Thomas Jarosch reported IPsec TCP stalls when a PMTU event occurs.

In fact the problem was completely unrelated to IPsec.  The bug is
also reproducible if you just disable TSO/GSO.

The problem is that when the MSS goes down, existing queued packet
on the TX queue that have not been transmitted yet all look like
TSO packets and get treated as such.

This then triggers a bug where tcp_mss_split_point tells us to
generate a zero-sized packet on the TX queue.  Once that happens
we're screwed because the zero-sized packet can never be removed
by ACKs.

Fixes: 1485348d24 ("tcp: Apply device TSO segment limit earlier")
Reported-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Cheers,
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-02 16:13:20 -05:00
Linus Torvalds
6a4bfa7c3f sound fixes for 3.19-rc3
Nothing too exciting as a new year's start here: most of fixes are for
 ASoC, a boot crash fix on OMAP for deferred probe, a few driver
 specific fixes (Intel, dwc, rockchip, rt5677), in addition to typo
 fixes in kerneldoc comments for PCM.
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Merge tag 'sound-3.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Nothing too exciting as a new year's start here: most of fixes are for
  ASoC, a boot crash fix on OMAP for deferred probe, a few driver
  specific fixes (Intel, dwc, rockchip, rt5677), in addition to typo
  fixes in kerneldoc comments for PCM"

* tag 'sound-3.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: pcm: Fix kerneldoc for params_*() functions
  ASoC: rockchip: i2s: fix maxburst of dma data to 4
  ASoC: rockchip: i2s: fix error defination of transmit data level
  ASoC: Intel: correct the fixed free block allocation
  ASoC: rt5677: fixed rt5677_dsp_vad_put rt5677_dsp_vad_get panic
  ASoC: Intel: Fix BYTCR machine driver MODULE_ALIAS
  ASoC: Intel: Fix BYTCR firmware name
  ASoC: dwc: Iterate over all channels
  ASoC: dwc: Ensure FIFOs are flushed to prevent channel swap
  ASoC: Intel: Add I2C dependency to two new machines
  ASoC: dapm: Remove snd_soc_of_parse_audio_routing() due to deferred probe
2015-01-02 12:57:20 -08:00
Kostya Belezko
c484994eb3 Altera TSE: Add missing phydev
Altera network device doesn't come up after

ifconfig eth0 down
ifconfig eth0 up

The reason behind is clearing priv->phydev during tse_shutdown().
The phydev is not restored back at tse_open().

Resubmiting as to follow Tobias Klauser suggestion.
phy_start/phy_stop are called on each ifup/ifdown and
phy_disconnect is called once during the module removal.

Signed-off-by: Kostya Belezko <bkostya@hotmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-02 15:45:10 -05:00
David S. Miller
2b972acbe5 Merge branch 'mlx4-net'
Or Gerlitz says:

====================
mlx4 driver fixes for 3.19-rc2

Please push Maor's patch to -stable >= 3.17

Jack's fixes error-flow issues introduced in 3.19-rc1, no need for -stable.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-02 15:41:33 -05:00
Jack Morgenstein
d0d012509f net/mlx4_core: Fix error flow in mlx4_init_hca()
We shouldn't call UNMAP_FA here, this is done in mlx4_load_one.

If mlx4_query_func fails, we need to invoke CLOSE_HCA for both
native and master.

Fixes: a0eacca948 ('net/mlx4_core: Refactor mlx4_load_one')
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-02 15:41:29 -05:00
Maor Gottlieb
a51e0df4c1 net/mlx4_core: Correcly update the mtt's offset in the MR re-reg flow
Previously, mlx4_mt_rereg_write filled the MPT's entity_size with the
old MTT's page shift, which could result in using an incorrect offset.
Fix the initialization to be after we calculate the new MTT offset.

In addition, assign mtt order to -1 after calling mlx4_mtt_cleanup. This
is necessary in order to mark the MTT as invalid and avoid freeing it later.

Fixes: e630664 ('mlx4_core: Add helper functions to support MR re-registration')
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-02 15:41:28 -05:00
Jakub Wilk
363307e6e5 ext4: remove spurious KERN_INFO from ext4_warning call
Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2015-01-02 15:31:14 -05:00
Theodore Ts'o
ad7fefb109 Revert "ext4: fix suboptimal seek_{data,hole} extents traversial"
This reverts commit 14516bb7bb.

This was causing regression test failures with generic/285 with an ext3
filesystem using CONFIG_EXT4_USE_FOR_EXT23.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2015-01-02 15:16:00 -05:00
Linus Torvalds
d7e19bd882 vhost: virtio 1.0 bugfix
There's a single change here, fixing a vhost bug where vhost initialization
 fails due to used ring alignment check being too strict.
 
 Cc: Rusty Russell <rusty@rustcorp.com.au>
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull vhost cleanup and virtio bugfix
 "There's a single change here, fixing a vhost bug where vhost
  initialization fails due to used ring alignment check being too
  strict"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  vhost: relax used address alignment
  virtio_ring: document alignment requirements
2015-01-02 12:07:50 -08:00
Michal Marek
a16c5f99a2 kbuild: Fix removal of the debian/ directory
scripts/Makefile.clean treats absolute path specially, but
$(objtree)/debian is no longer an absolute path since 7e1c0477 (kbuild:
Use relative path for $(objtree). Work around this by checking if the
path starts with $(objtree)/.

Reported-and-tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Fixes: 7e1c0477 (kbuild: Use relative path for $(objtree)
Signed-off-by: Michal Marek <mmarek@suse.cz>
2015-01-02 14:51:27 +01:00
Yongjian Xu
7824acd924 qlcnic: Fix return value in qlcnic_probe()
If the check of adapter fails and goes into the 'else' branch, the
return value 'err' should not still be zero.

Signed-off-by: Yongjian Xu <xuyongjiande@gmail.com>
Acked-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-31 19:21:19 -05:00
Julia Lawall
0f113b8117 net: axienet: fix error return code
Return a negative error code on failure.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-31 19:19:00 -05:00
Julia Lawall
3d2232f54d net: sun4i-emac: fix error return code
Return a negative error code on failure.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-31 19:19:00 -05:00
Julia Lawall
f12e77caf6 myri10ge: fix error return code
Return a negative error code on failure.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>

The patch also modifies the test of mgp->cmd to satisfy checkpatch.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-31 19:19:00 -05:00
Julia Lawall
8a0a1f840f net: Xilinx: fix error return code
Return a negative error code on failure.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-31 19:19:00 -05:00
David S. Miller
4e4804be4e Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net
Jeff Kirsher says:

====================
Intel Wired LAN Driver Updates 2014-12-31

This series contains updates to fixes for e100, igb and i40e.

John Linville fixes a typo in e100 that has been around for some time,
where an attempted revert actually inverted the test for eeprom_mdix_enabled.

Todd fixes up a code comment that should have been removed back in 2007.

Joe Perches fixes a possible memory leak in i40e which was reported by
Dan Carpenter using smatch.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-12-31 19:17:03 -05:00
Joe Perches
e3fe44c759 i40e: Fix possible memory leak in i40e_dbg_dump_desc
I didn't notice that return in the code, fix it by
adding a goto out instead to free the memory.

Fixes:

> New smatch warnings:
> drivers/net/ethernet/intel/i40e/i40e_debugfs.c:832 i40e_dbg_dump_desc() warn: possible memory leak of 'ring'

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-12-31 15:40:12 -08:00
Linus Torvalds
5e0f872c7d Merge branch 'upstream' of git://git.infradead.org/users/pcmoore/audit
Pull audit fix from Paul Moore:
 "One audit patch to resolve a panic/oops when recording filenames in
  the audit log, see the mail archive link below.

  The fix isn't as nice as I would like, as it involves an allocate/copy
  of the filename, but it solves the problem and the overhead should
  only affect users who have configured audit rules involving file
  names.

  We'll revisit this issue with future kernels in an attempt to make
  this suck less, but in the meantime I think this fix should go into
  the next release of v3.19-rcX.

  [ https://marc.info/?t=141986927600001&r=1&w=2 ]"

* 'upstream' of git://git.infradead.org/users/pcmoore/audit:
  audit: create private file name copies when auditing inodes
2014-12-31 14:52:18 -08:00
Linus Torvalds
7f4054836d Revert "Input: atmel_mxt_ts - use deep sleep mode when stopped"
This reverts commit 9d469d033d.

It breaks the Chromebook Pixel touchpad (and touchscreen).

Reported-by: Dirk Hohndel <dirk@hohndel.org>
Bisected-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nick Dyer <nick.dyer@itdev.co.uk>
Cc: Benson Leung <bleung@chromium.org>
Cc: Yufeng Shen <miletus@chromium.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: stable@vger.kernel.org  # v3.16+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-12-31 12:59:34 -08:00
Todd Fujinaka
2184aa3d0f igb: Remove unneeded FIXME
Remove a FIXME comment that was missed in a commit on 1/2007.

Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Reported-by: nick <xerofoify@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-12-31 12:11:06 -08:00
John W. Linville
a3566b5290 e100: fix typo in MDI/MDI-X eeprom check in e100_phy_init
Although it doesn't explicitly say so, commit 60ffa47875 ("e100:
Fix MDIO/MDIO-X") appears to be intended to revert the earlier commit
648951451e ("e100: fixed e100 MDI/MDI-X issues").  However,
careful examination reveals that the attempted revert actually
_inverted_ the test for eeprom_mdix_enabled.  That is bound to program
a few PHYs incorrectly...

https://bugzilla.redhat.com/show_bug.cgi?id=1156417

Signed-off-by: "John W. Linville" <linville@tuxdriver.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-12-31 11:55:40 -08:00
Linus Torvalds
a5cb2366fb nios2 fixes for v3.19-rc3
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Merge tag 'nios2-fixes-v3.19-rc3' of git://git.rocketboards.org/linux-socfpga-next

Pull arch/nios2 fixes from Ley Foon Tan:

 - fix compilation error when enable CONFIG_PREEMPT

 - initialize cpuinfo.mmu variable supplied by the device tree

* tag 'nios2-fixes-v3.19-rc3' of git://git.rocketboards.org/linux-socfpga-next:
  nios2: Use preempt_schedule_irq
  nios2: Initialize cpuinfo.mmu
2014-12-31 09:44:44 -08:00
Linus Torvalds
6ca793abf8 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
 "Fix a use-after-free crash in the user-space crypto API"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: af_alg - fix backlog handling
2014-12-31 09:16:17 -08:00
Tobias Klauser
1b0f44923e nios2: Use preempt_schedule_irq
Follow aa0d532605 ("ia64: Use preempt_schedule_irq") and use
preempt_schedule_irq instead of enabling/disabling interrupts and
messing around with PREEMPT_ACTIVE in the nios2 low-level preemption
code ourselves. Also get rid of the now needless re-check for
TIF_NEED_RESCHED, preempt_schedule_irq will already take care of
rescheduling.

This also fixes the following build error when building with
CONFIG_PREEMPT:

arch/nios2/kernel/built-in.o: In function `need_resched':
arch/nios2/kernel/entry.S:374: undefined reference to `PREEMPT_ACTIVE'

Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Ley Foon Tan <lftan@altera.com>
2014-12-31 11:04:58 +08:00
Walter Goossens
6f3d2b0075 nios2: Initialize cpuinfo.mmu
This patch initializes the mmu field of the cpuinfo structure to the
value supplied by the devicetree.

Signed-off-by: Walter Goossens <waltergoossens@home.nl>
Acked-by: Ley Foon Tan <lftan@altera.com>
2014-12-31 10:09:32 +08:00
Linus Torvalds
9bb29b6b92 ARM: SoC fixes for 3.19-rc3
A very small set of fixes for 3.19, as everyone was out. The clocksource
 patch was something I missed for the merge window after the change that
 broke arm64 was merged through arm-soc. The other two patches are
 a fix for an undetected merge problem in mvebu and a defconfig change
 to make some exynos boards work with the normal multi_v7_defconfig.
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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 Arnd Bergmann:
 "A very small set of fixes for 3.19, as everyone was out.

  The clocksource patch was something I missed for the merge window
  after the change that broke arm64 was merged through arm-soc.  The
  other two patches are a fix for an undetected merge problem in mvebu
  and a defconfig change to make some exynos boards work with the normal
  multi_v7_defconfig"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  Add USB_EHCI_EXYNOS to multi_v7_defconfig
  ARM: mvebu: Fix pinctrl configuration for Armada 370 DB
  clocksource: arch_timer: Only use the virtual counter (CNTVCT) on arm64
2014-12-30 17:13:13 -08:00
Linus Torvalds
e4811a2784 fbdev fixes for 3.19
* Fix regression with Nokia N900 display
 * Fix crash on fbdev using freed __initdata logos
 * Fix fb_deferred_io_fsync() return value.
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Merge tag 'fbdev-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev fixes from Tomi Valkeinen:

 - Fix regression with Nokia N900 display

 - Fix crash on fbdev using freed __initdata logos

 - Fix fb_deferred_io_fsync() return value.

* tag 'fbdev-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
  OMAPDSS: SDI: fix output port_num
  video/fbdev: fix defio's fsync
  video/logo: prevent use of logos after they have been freed
  OMAPDSS: pll: NULL dereference in error handling
  OMAPDSS: HDMI: remove double initializer entries
2014-12-30 17:04:56 -08:00
Linus Torvalds
bac22980b0 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer fixes from Dmitry Torokhov:
 "Fixes for v7 protocol for ALPS devices and few other driver fixes.

  Also users can request input events to be stamped with boot time
  timestamps, in addition to real and monotonic timestamps"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: hil_kbd - fix incorrect use of init_completion
  Input: alps - v7: document the v7 touchpad packet protocol
  Input: alps - v7: fix finger counting for > 2 fingers on clickpads
  Input: alps - v7: sometimes a single touch is reported in mt[1]
  Input: alps - v7: ignore new packets
  Input: evdev - add CLOCK_BOOTTIME support
  Input: psmouse - expose drift duration for IBM trackpoints
  Input: stmpe - bias keypad columns properly
  Input: stmpe - enforce device tree only mode
  mfd: stmpe: add pull up/down register offsets for STMPE
  Input: optimize events_per_packet count calculation
  Input: edt-ft5x06 - fixed a macro coding style issue
  Input: gpio_keys - replace timer and workqueue with delayed workqueue
  Input: gpio_keys - allow separating gpio and irq in device tree
2014-12-30 16:59:59 -08:00