Commit graph

521196 commits

Author SHA1 Message Date
Alexey Skidanov
826f5de84c drm/amdkfd: fix topology bug with capability attr.
This patch fixes a bug where the number of watch points
was shown before it was actually calculated

Signed-off-by: Alexey Skidanov <Alexey.Skidanov@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-06-03 21:45:54 +03:00
Jan Kara
226a07ef0a lib: Clarify the return value of strnlen_user()
strnlen_user() can return a number in a range 0 to count +
sizeof(unsigned long) - 1. Clarify the comment at the top of the
function so that users don't think the function returns at most count+1.

Signed-off-by: Jan Kara <jack@suse.cz>
[ Also added commentary about preferably not using this function ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-03 08:00:22 -07:00
Clemens Ladisch
ea114fc27d ALSA: usb-audio: fix missing input volume controls in MAYA44 USB(+)
The driver worked around an error in the MAYA44 USB(+)'s mixer unit
descriptor by aborting before parsing the missing field.  However,
aborting parsing too early prevented parsing of the other units
connected to this unit, so the capture mixer controls would be missing.

Fix this by moving the check for this descriptor error after the parsing
of the unit's input pins.

Reported-by: nightmixes <nightmixes@gmail.com>
Tested-by: nightmixes <nightmixes@gmail.com>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-06-03 11:58:15 +02:00
Clemens Ladisch
044bddb9ca ALSA: usb-audio: add MAYA44 USB+ mixer control names
Add mixer control names for the ESI Maya44 USB+ (which appears to be
identical width the AudioTrak Maya44 USB).

Reported-by: nightmixes <nightmixes@gmail.com>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-06-03 11:57:51 +02:00
Maciej W. Rozycki
90b712ddab MIPS: Avoid an FPE exception in FCSR mask probing
Use the default FCSR value in mask probing, avoiding an FPE exception
where reset has left any exception enable and their corresponding cause
bits set and the register is then rewritten with these bits active.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Joshua Kinard <kumba@gentoo.org>
Cc: linux-mips@linux-mips.org
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-03 09:50:29 +02:00
Linus Torvalds
8cd9234c64 Fix some build warnings for ia64 - cpu_callin_map doesn't need to be volatile
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Merge tag 'please-pull-rusty' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 fix from Tony Luck:
 "Fix some build warnings for ia64 - cpu_callin_map doesn't need to be
  volatile"

* tag 'please-pull-rusty' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  ia64: make cpu_callin_map non-volatile.
2015-06-02 10:58:34 -07:00
Takashi Iwai
b5d724b1ad ALSA: hda/realtek - Add a fixup for another Acer Aspire 9420
Acer Aspire 9420 with ALC883 (1025:0107) needs the fixup for EAPD to
make the sound working like other Aspire models.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=94111
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-06-02 19:57:08 +02:00
Hans de Goede
5f0ee9d17a Input: elantech - fix detection of touchpads where the revision matches a known rate
Make the check to skip the rate check more lax, so that it applies
to all hw_version 4 models.

This fixes the touchpad not being detected properly on Asus PU551LA
laptops.

Cc: stable@vger.kernel.org
Reported-and-tested-by: David Zafra Gómez <dezeta@klo.es>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-06-02 10:43:07 -07:00
Sasha Levin
161f873b89 vfs: read file_handle only once in handle_to_path
We used to read file_handle twice.  Once to get the amount of extra
bytes, and once to fetch the entire structure.

This may be problematic since we do size verifications only after the
first read, so if the number of extra bytes changes in userspace between
the first and second calls, we'll have an incoherent view of
file_handle.

Instead, read the constant size once, and copy that over to the final
structure without having to re-read it again.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-02 10:29:07 -07:00
Jan Kara
f18c34e483 lib: Fix strnlen_user() to not touch memory after specified maximum
If the specified maximum length of the string is a multiple of unsigned
long, we would load one long behind the specified maximum.  If that
happens to be in a next page, we can hit a page fault although we were
not expected to.

Fix the off-by-one bug in the test whether we are at the end of the
specified range.

Signed-off-by: Jan Kara <jack@suse.cz>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-02 10:28:52 -07:00
Rusty Russell
5eda7861e3 ia64: make cpu_callin_map non-volatile.
cpumask_test_cpu() doesn't take volatile, unlike the obsoleted
cpu_isset.  The only place ia64 really cares is the spin waiting for a
bit; udelay() is probably a barrier but insert barrier() to be sure.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2015-06-02 10:07:03 -07:00
Alban Bedel
a26484bb7e MIPS: ath79: Add a missing new line in log message
The memory setup log is missing a new line.

Signed-off-by: Alban Bedel <albeu@free.fr>
Cc: linux-mips@linux-mips.org
Cc: Andrew Bresticker <abrestic@chromium.org>
Cc: Qais Yousef <qais.yousef@imgtec.com>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Cc: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9771/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-02 16:07:31 +02:00
Peter Ujfalusi
429770823d dmaengine: hsu: Fix memory leak when stopping a running transfer
The vd->node is removed from the lists when the transfer started so the
vchan_get_all_descriptors() will not find it. This results memory leak.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[andy: fix the typo to prevent a compilation error]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2015-06-02 18:33:08 +05:30
Andy Lutomirski
425be5679f x86/asm/irq: Stop relying on magic JMP behavior for early_idt_handlers
The early_idt_handlers asm code generates an array of entry
points spaced nine bytes apart.  It's not really clear from that
code or from the places that reference it what's going on, and
the code only works in the first place because GAS never
generates two-byte JMP instructions when jumping to global
labels.

Clean up the code to generate the correct array stride (member size)
explicitly. This should be considerably more robust against
screw-ups, as GAS will warn if a .fill directive has a negative
count.  Using '. =' to advance would have been even more robust
(it would generate an actual error if it tried to move
backwards), but it would pad with nulls, confusing anyone who
tries to disassemble the code.  The new scheme should be much
clearer to future readers.

While we're at it, improve the comments and rename the array and
common code.

Binutils may start relaxing jumps to non-weak labels.  If so,
this change will fix our build, and we may need to backport this
change.

Before, on x86_64:

  0000000000000000 <early_idt_handlers>:
     0:   6a 00                   pushq  $0x0
     2:   6a 00                   pushq  $0x0
     4:   e9 00 00 00 00          jmpq   9 <early_idt_handlers+0x9>
                          5: R_X86_64_PC32        early_idt_handler-0x4
  ...
    48:   66 90                   xchg   %ax,%ax
    4a:   6a 08                   pushq  $0x8
    4c:   e9 00 00 00 00          jmpq   51 <early_idt_handlers+0x51>
                          4d: R_X86_64_PC32       early_idt_handler-0x4
  ...
   117:   6a 00                   pushq  $0x0
   119:   6a 1f                   pushq  $0x1f
   11b:   e9 00 00 00 00          jmpq   120 <early_idt_handler>
                          11c: R_X86_64_PC32      early_idt_handler-0x4

After:

  0000000000000000 <early_idt_handler_array>:
     0:   6a 00                   pushq  $0x0
     2:   6a 00                   pushq  $0x0
     4:   e9 14 01 00 00          jmpq   11d <early_idt_handler_common>
  ...
    48:   6a 08                   pushq  $0x8
    4a:   e9 d1 00 00 00          jmpq   120 <early_idt_handler_common>
    4f:   cc                      int3
    50:   cc                      int3
  ...
   117:   6a 00                   pushq  $0x0
   119:   6a 1f                   pushq  $0x1f
   11b:   eb 03                   jmp    120 <early_idt_handler_common>
   11d:   cc                      int3
   11e:   cc                      int3
   11f:   cc                      int3

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Binutils <binutils@sourceware.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: H.J. Lu <hjl.tools@gmail.com>
Cc: Jan Beulich <JBeulich@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/ac027962af343b0c599cbfcf50b945ad2ef3d7a8.1432336324.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-06-02 09:39:40 +02:00
Joerg Roedel
2d0ec7a19b Revert "iommu/amd: Don't allocate with __GFP_ZERO in alloc_coherent"
This reverts commit 5fc872c732.

The DMA-API does not strictly require that the memory
returned by dma_alloc_coherent is zeroed out. For that
another function (dma_zalloc_coherent) should be used. But
all other x86 DMA-API implementation I checked zero out the
memory, so that some drivers rely on it and break when it is
not.

It seems the (driver-)world is not yet ready for this
change, so revert it.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
2015-06-02 08:46:32 +02:00
Nicholas Mc Guire
084861124d staging: unisys: use schedule_timeout_interruptible()
API consolidation with coccinelle found:
./drivers/staging/unisys/visorbus/periodic_work.c:196:3-19:
        consolidation with schedule_timeout_*() recommended

This is a 1:1 conversion with respect to schedule_timeout() to the
schedule_timeout_interruptible() helper only - so only an API
consolidation to improve readability. The hard coded timeout of 10
jiffies is HZ dependent which it should not be, so it is converted
with msecs_to_jiffies.

Patch was compile tested with x86_64_defconfig + CONFIG_STAGING=y,
CONFIG_UNISYSSPAR=y, CONFIG_UNISYS_VISORBUS=m

Patch is against 4.1-rc5 (localversion-next is -next-20150529)

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 14:24:31 +09:00
Don Zickus
7726f81357 staging: unisys: Prepare vbus_hdr_info to be public
In order to remove bus_info, we need to migrate vbus_hdr_info into
the public namespace of visor_device.  Because the struct is private,
we use a void * to hide the contents.

As a result, we need to allocate vbus_hdr_info and manage it.

Also work around vbus_valid, as that variable will not be used
in the public namespace.

Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 14:22:49 +09:00
Don Zickus
0274b5aec1 staging: unisys: Convert pending_msg_hdr to a pointer
In order for bus/dev_info structs to become public structs, one
element, pending_msg_hdr, needs to become opaque.  This is to keep
all the internals of the controlvm struct private to the bus layer.

So a simple conversion of embedding the pending_msg_hdr struct into
a pointer is done.  The rest of the patch is the fallout.

The rules are modified slightly.  Instead of relying on the 'id' to be
CONTROLVM_INVALID to indicate invalid, just use the pointer set to NULL.

In addition, because bus/dev_info can be NULL and we still need to send
a
response, pass pending_msg_hdr to all 'responders' instead of bus/

That change causes some fallout in the success case.  Instead of setting
state
bits and clearing info in the responders, do all that magic in the
responder
wrappers.

Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 14:22:49 +09:00
Don Zickus
b32c4997c0 staging: unisys: Move channel creation up the stack
Instead of creating a channel struct to temporarily hold the channel
info and passing it through multiple functions until the device is
created, just create the channel from the start.

This allows us to remove the channel_info struct.

I noticed 'chan_info.addr_type' was not being used, so I just deleted it.

Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 14:22:49 +09:00
Greg Kroah-Hartman
63d03e4773 staging: wilc1000: remove WILC_Uint8
Just use u8, as that's what you really want in a kernel driver.

Cc: Johnny Kim <johnny.kim@atmel.com>
Cc: Rachel Kim <rachel.kim@atmel.com>
Cc: Dean Lee <dean.lee@atmel.com>
Cc: Chris Park <chris.park@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 14:17:47 +09:00
Greg Kroah-Hartman
b1413b6084 staging: wilc100: remove WILC_NULL usage
Use the "real" NULL value, don't try to be cute and define your own
value for something that the compiler obviously supports.

Cc: Johnny Kim <johnny.kim@atmel.com>
Cc: Rachel Kim <rachel.kim@atmel.com>
Cc: Dean Lee <dean.lee@atmel.com>
Cc: Chris Park <chris.park@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 14:17:47 +09:00
Greg Kroah-Hartman
8e1d4e5cf2 staging: wilc1000: remove unused data types
There's some "custom" data types defined that are never used in the
driver, so remove them before we work on converting the rest to be
"standard" data types.

Cc: Johnny Kim <johnny.kim@atmel.com>
Cc: Rachel Kim <rachel.kim@atmel.com>
Cc: Dean Lee <dean.lee@atmel.com>
Cc: Chris Park <chris.park@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 14:17:47 +09:00
Arnd Bergmann
0b85618f3a staging: wilc1000: update TODO list
I have crossed off one item on the list, but found a few others that should
not get lost, so here is an update of the wilc1000 list

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:55:40 +09:00
Arnd Bergmann
7a8fd84175 staging: wilc1000: fix compiler warnings
This avoids the remaining warnings that one gets on a normal
build: unused variables, unused labels, and invalid printk
format strings.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:46:05 +09:00
Arnd Bergmann
057d1e9793 staging: wilc1000: fix const cast warnings
The wilc1000 driver produces a lot of warnings about invalid
casts between const and non-const variables. This reworks
the code to avoid all those warnings, by marking variables
and function arguments const.

A lot of the types use WILC_Uint8, I change them to const u8
for style reasons, as I'm touching them anyway.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:46:05 +09:00
Arnd Bergmann
83383ea33c staging: wilc1000: remove semaphore wrapper
The various semaphore functions all directly translate into
sema_init(), down() and up(), so we can just remove the API.

This is a mostly automated conversion using simple sed scripts,
plus some manual changes to account for down() returning no
error.

As a positive side-effect, down() no longer hangs after
receiving a signal, as the original code did by looping around
down_interruptible.

The semaphores still need to be turned into mutexes as a
follow-up step.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:46:05 +09:00
Arnd Bergmann
e14af67d8f staging: wilc1000: remove EXPORT_SYMTAB
The EXPORT_SYMTAB symbol has not been used in Linux for a very
long time, the driver does not need to set it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:46:05 +09:00
Arnd Bergmann
d074f29390 staging: wilc1000: remove unused OS abstraction features
All the remaining features from the OS abstraction layer
are not used at all in the driver, so we can just remove
the remaining references to them.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:46:05 +09:00
Arnd Bergmann
042f19c935 staging: wilc1000: clean up timer feature
The driver has a simple wrapper around timer_list, and an
optional but unused feature to make the timer periodic.

This removes support for the periodic timer and simplifies
the code around timers.

A follow-up should replace the remaining wrapper with
open-coded timers.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:45:22 +09:00
Arnd Bergmann
b96ff76a07 staging: wilc1000: clean up sleep wrapper
The driver has a simple wrapper around msleep, as well as
a more advanced sleep function that is unused. This removes
the unused code and the options to turn the feature on or
off.

A follow-up should rework the code to use msleep directly.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:45:22 +09:00
Arnd Bergmann
5f928b9567 staging: wilc1000: simplify semaphore wrapper
The driver has its own API for semaphores. This should
be replaced with mutexes and completions, but for the moment
we can start by removing the obviously unused parts.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:45:22 +09:00
Arnd Bergmann
71b13e5990 staging: wilc1000: remove unused memory handling code
The driver contains its own abstraction for memory allocation,
most of it unused. This removes the unused parts, but the
rest should also be removed later.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:45:21 +09:00
Arnd Bergmann
2ed3dc1d3c staging: wilc1000: simplify msgqueue code
The driver contains an abstraction for message queues, with
optional unused features, while the driver requires the main
feature.

This makes the msgqueue code unconditional as it's required
but removes the unused parts.

A later cleanup should remove the entire msgqueue code
and replace it with some normal kernel API.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:45:21 +09:00
Arnd Bergmann
4ec5d4a4f6 staging: wilc1000: remove unused string functions
The driver provides wrappers for a lot of string operations.
Some of them are unused, while others should be replaced
with normal kernel functions.

This replaces the unused ones for now, and leaves the other
ones for a later cleanup.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:45:21 +09:00
Arnd Bergmann
f155bcf8de staging: wilc1000: remove time wrapper
The abstraction for time in this driver is completely
unused, so remove it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-02 13:45:21 +09:00
Linus Torvalds
c46a024ea5 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Various VTI tunnel (mark handling, PMTU) bug fixes from Alexander
    Duyck and Steffen Klassert.

 2) Revert ethtool PHY query change, it wasn't correct.  The PHY address
    selected by the driver running the PHY to MAC connection decides
    what PHY address GET ethtool operations return information from.

 3) Fix handling of sequence number bits for encryption IV generation in
    ESP driver, from Herbert Xu.

 4) UDP can return -EAGAIN when we hit a bad checksum on receive, even
    when there are other packets in the receive queue which is wrong.
    Just respect the error returned from the generic socket recv
    datagram helper.  From Eric Dumazet.

 5) Fix BNA driver firmware loading on big-endian systems, from Ivan
    Vecera.

 6) Fix regression in that we were inheriting the congestion control of
    the listening socket for new connections, the intended behavior
    always was to use the default in this case.  From Neal Cardwell.

 7) Fix NULL deref in brcmfmac driver, from Arend van Spriel.

 8) OTP parsing fix in iwlwifi from Liad Kaufman.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
  vti6: Add pmtu handling to vti6_xmit.
  Revert "net: core: 'ethtool' issue with querying phy settings"
  bnx2x: Move statistics implementation into semaphores
  xen: netback: read hotplug script once at start of day.
  xen: netback: fix printf format string warning
  Revert "netfilter: ensure number of counters is >0 in do_replace()"
  net: dsa: Properly propagate errors from dsa_switch_setup_one
  tcp: fix child sockets to use system default congestion control if not set
  udp: fix behavior of wrong checksums
  sfc: free multiple Rx buffers when required
  bna: fix soft lock-up during firmware initialization failure
  bna: remove unreasonable iocpf timer start
  bna: fix firmware loading on big-endian machines
  bridge: fix br_multicast_query_expired() bug
  via-rhine: Resigning as maintainer
  brcmfmac: avoid null pointer access when brcmf_msgbuf_get_pktid() fails
  mac80211: Fix mac80211.h docbook comments
  iwlwifi: nvm: fix otp parsing in 8000 hw family
  iwlwifi: pcie: fix tracking of cmd_in_flight
  ip_vti/ip6_vti: Preserve skb->mark after rcv_cb call
  ...
2015-06-01 20:51:18 -07:00
Linus Torvalds
2459c6099b Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull Sparc fixes from David Miller:

 1) Setup the core/threads/sockets bitmaps correctly so that 'lscpus'
    and friends operate properly.  Frtom Chris Hyser.

 2) The bit that normally means "Cached Virtually" on sun4v systems,
    actually changes meaning in M7 and later chips.  Fix from Khalid
    Aziz.

 3) One some PCI-E systems we need to probe different OF properties to
    fill in the PCI slot information properly, from Eric Snowberg.

 4) Kill an extraneous memset after kzalloc(), from Christophe Jaillet.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc: Resolve conflict between sparc v9 and M7 on usage of bit 9 of TTE
  sparc64: pci slots information is not populated in sysfs
  sparc: kernel: GRPCI2: Remove a useless memset
  sparc64: Setup sysfs to mark LDOM sockets, cores and threads correctly
2015-06-01 20:44:51 -07:00
Alex Deucher
091f0a70ff drm/radeon: use proper ACR regisiter for DCE3.2
Using the DCE2 one by accident afer the audio rework.

Bug:
https://bugs.freedesktop.org/show_bug.cgi?id=90777

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2015-06-01 23:16:22 -04:00
Linus Torvalds
fec345baa5 virtio: last-minute fix for 4.1
This tweaks an exported user-space header to fix
 build breakage for userspace using it.
 
 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 virtio fix from Michael Tsirkin:
 "Last-minute virtio fix for 4.1

  This tweaks an exported user-space header to fix build breakage for
  userspace using it"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  include/uapi/linux/virtio_balloon.h: include linux/virtio_types.h
2015-06-01 18:49:45 -07:00
David S. Miller
e453581dd5 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:

====================
Netfilter fix for net

The following patch reverts the ebtables chunk that enforces counters that was
introduced in the recently applied d26e2c9ffa ('Revert "netfilter: ensure
number of counters is >0 in do_replace()"') since this breaks ebtables.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-01 16:56:43 -07:00
David S. Miller
cd842a67e6 iwlwifi:
* fix OTP parsing 8260
 * fix powersave handling for 8260
 
 brcmfmac:
 
 * fix null pointer crash
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Merge tag 'wireless-drivers-for-davem-2015-06-01' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers

Kalle Valo says:

====================
iwlwifi:

* fix OTP parsing 8260
* fix powersave handling for 8260

brcmfmac:

* fix null pointer crash
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-01 16:06:29 -07:00
Steffen Klassert
ccd740cbc6 vti6: Add pmtu handling to vti6_xmit.
We currently rely on the PMTU discovery of xfrm.
However if a packet is localy sent, the PMTU mechanism
of xfrm tries to to local socket notification what
might not work for applications like ping that don't
check for this. So add pmtu handling to vti6_xmit to
report MTU changes immediately.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-01 16:03:43 -07:00
Yinghai Lu
552bc94ebe PCI: Preserve resource size during alignment reordering
In d74b9027a4 ("PCI: Consider additional PF's IOV BAR alignment in sizing
and assigning"), we store additional alignment in realloc_head and take
this into consideration for assignment.

In __assign_resources_sorted(), we changed dev_res->res->start, then used
resource_start() (which depends on res->start), so the recomputed res->end
was completely bogus.  Even if we'd had the correct size, the end would
have been off by one.

Preserve the resource size when we adjust its alignment.

[bhelgaas: changelog]
Fixes: d74b9027a4 ("PCI: Consider additional PF's IOV BAR alignment in sizing and assigning")
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Wei Yang <weiyang@linux.vnet.ibm.com>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2015-06-01 17:56:32 -05:00
David S. Miller
18ec898ee5 Revert "net: core: 'ethtool' issue with querying phy settings"
This reverts commit f96dee13b8.

It isn't right, ethtool is meant to manage one PHY instance
per netdevice at a time, and this is selected by the SET
command.  Therefore by definition the GET command must only
return the settings for the configured and selected PHY.

Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-01 14:43:50 -07:00
Yuval Mintz
c6e36d8c1a bnx2x: Move statistics implementation into semaphores
Commit dff173de84 ("bnx2x: Fix statistics locking scheme") changed the
bnx2x locking around statistics state into using a mutex - but the lock
is being accessed via a timer which is forbidden.

[If compiled with CONFIG_DEBUG_MUTEXES, logs show a warning about
accessing the mutex in interrupt context]

This moves the implementation into using a semaphore [with size '1']
instead.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-01 12:04:31 -07:00
Ian Campbell
31a418986a xen: netback: read hotplug script once at start of day.
When we come to tear things down in netback_remove() and generate the
uevent it is possible that the xenstore directory has already been
removed (details below).

In such cases netback_uevent() won't be able to read the hotplug
script and will write a xenstore error node.

A recent change to the hypervisor exposed this race such that we now
sometimes lose it (where apparently we didn't ever before).

Instead read the hotplug script configuration during setup and use it
for the lifetime of the backend device.

The apparently more obvious fix of moving the transition to
state=Closed in netback_remove() to after the uevent does not work
because it is possible that we are already in state=Closed (in
reaction to the guest having disconnected as it shutdown). Being
already in Closed means the toolstack is at liberty to start tearing
down the xenstore directories. In principal it might be possible to
arrange to unregister the device sooner (e.g on transition to Closing)
such that xenstore would still be there but this state machine is
fragile and prone to anger...

A modern Xen system only relies on the hotplug uevent for driver
domains, when the backend is in the same domain as the toolstack it
will run the necessary setup/teardown directly in the correct sequence
wrt xenstore changes.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-01 12:03:04 -07:00
Ian Campbell
dc5e7a811d xen: netback: fix printf format string warning
drivers/net/xen-netback/netback.c: In function ‘xenvif_tx_build_gops’:
drivers/net/xen-netback/netback.c:1253:8: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 5 has type ‘int’ [-Wformat=]
        (txreq.offset&~PAGE_MASK) + txreq.size);
        ^

PAGE_MASK's type can vary by arch, so a cast is needed.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
----
v2: Cast to unsigned long, since PAGE_MASK can vary by arch.
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-01 12:03:04 -07:00
Bernhard Thaler
d26e2c9ffa Revert "netfilter: ensure number of counters is >0 in do_replace()"
This partially reverts commit 1086bbe97a ("netfilter: ensure number of
counters is >0 in do_replace()") in net/bridge/netfilter/ebtables.c.

Setting rules with ebtables does not work any more with 1086bbe97a place.

There is an error message and no rules set in the end.

e.g.

~# ebtables -t nat -A POSTROUTING --src 12:34:56:78:9a:bc -j DROP
Unable to update the kernel. Two possible causes:
1. Multiple ebtables programs were executing simultaneously. The ebtables
   userspace tool doesn't by default support multiple ebtables programs
running

Reverting the ebtables part of 1086bbe97a makes this work again.

Signed-off-by: Bernhard Thaler <bernhard.thaler@wvnet.at>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2015-06-01 19:45:47 +02:00
Dan Carpenter
ed6e75c7dc iio: light: signedness bug in stk3310_write_raw()
"index" needs to be signed for the error handling to work.

Fixes: be9e6229d6 ('iio: light: Add support for Sensortek STK3310')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-01 16:57:23 +01:00
Dan Carpenter
5517547bf4 iio: magnetometer: correct a harmless off by one check
The line before limits i to 0-3 so the existing code works fine but the
check is still off by one and >= is intended instead of >.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-01 16:55:19 +01:00