In case of changes in the supported rates set for a given station, it is now
possible to use this callback to update the current internal state of the
station in the htc driver.
Reported-by: Gui Iribarren <gui@altermundi.net>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pull audit-tree fixes from Miklos Szeredi:
"The audit subsystem maintainers (Al and Eric) are not responding to
repeated resends. Eric did ack them a while ago, but no response
since then. So I'm sending these directly to you."
* 'audit-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
audit: clean up refcounting in audit-tree
audit: fix refcounting in audit-tree
audit: don't free_chunk() after fsnotify_add_mark()
If the device is not started, we can't read its
SRAM and attempting to do so will cause issues.
Protect the debugfs read.
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
iwl_dbgfs_fh_reg_read() can cause crashes and/or
BUG_ON in slub because the ifdefs are wrong, the
code in iwl_dump_fh() should use DEBUGFS, not
DEBUG to protect the buffer writing code.
Also, while at it, clean up the arguments to the
function, some code and make it generally safer.
Cc: stable@vger.kernel.org
Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The result of one call to a function is tested, and then at the second call
to the same function, the previous result, and not the current result, is
tested again.
Also changed &bssid to bssid, at the suggestion of Stanislav Yakovlev.
The semantic match that finds the first problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression ret;
identifier f;
statement S1,S2;
@@
*ret = f(...);
if (\(ret != 0\|ret < 0\|ret == NULL\)) S1
... when any
*f(...);
if (\(ret != 0\|ret < 0\|ret == NULL\)) S2
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch reduces the per rate target power eeprom reads for
AR5K_EEPROM_MODE_11A from 10 to 8, as there are only 8 valid
power curve entries on the eeprom. The former 10 reads lead to
equal max power limits per rate and this causes an increasing
distortion for all rates above 24 MBit and leads to a needless
poor performance in 802.11a mode.
Signed-off-by: Thomas Huehn <thomas@net.t-labs.tu-berlin.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This reverts commit 2e48928d8a.
Those functions are needed and should not be removed, or
there is no way to set the rfkill led trigger name.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There is no need for those functions/variables to be visible. Make them
static and also fix the compile warnings of this sort:
drivers/xen/<some file>.c: warning: symbol '<blah>' was not declared. Should it be static?
Some of them just require including the header file that
declares the functions.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Update struct xen_add_to_physmap to be in sync with Xen's version of the
structure.
The size field was introduced by:
changeset: 24164:707d27fe03e7
user: Jean Guyader <jean.guyader@eu.citrix.com>
date: Fri Nov 18 13:42:08 2011 +0000
summary: mm: New XENMEM space, XENMAPSPACE_gmfn_range
According to the comment:
"This new field .size is located in the 16 bits padding between .domid
and .space in struct xen_add_to_physmap to stay compatible with older
versions."
Changes in v2:
- remove erroneous comment in the commit message.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This enables the caller to initialize swiotlb with its own iotlb
memory late in the bootup.
See git commit eb605a5754
"swiotlb: add swiotlb_tbl_map_single library function" which will
explain the full details of what it can be used for.
CC: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
[v1: Fold in smatch warning]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
If a PV guest is booted the native SWIOTLB should not be
turned on. It does not help us (we don't have any PCI devices)
and it eats 64MB of good memory. In the case of PV guests
with PCI devices we need the Xen-SWIOTLB one.
[v1: Rewrite comment per Stefano's suggestion]
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Its pretty easy:
1). We only check to see if we need Xen SWIOTLB for PV guests.
2). If swiotlb=force or iommu=soft is set, then Xen SWIOTLB will
be enabled.
3). If it is an initial domain, then Xen SWIOTLB will be enabled.
4). Native SWIOTLB must be disabled for PV guests.
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
If a 64-bit hypervisor is booted with a 32-bit initial domain,
the hypervisor deals with the initial domain as "compat" and
does some extra adjustments (like pagetables are 4 bytes instead
of 8). It also adjusts the xen_start_info->pt_base incorrectly.
When booted with a 32-bit hypervisor (32-bit initial domain):
..
(XEN) Start info: cf831000->cf83147c
(XEN) Page tables: cf832000->cf8b5000
..
[ 0.000000] PT: cf832000 (f832000)
[ 0.000000] Reserving PT: f832000->f8b5000
And with a 64-bit hypervisor:
(XEN) Start info: 00000000cf831000->00000000cf8314b4
(XEN) Page tables: 00000000cf832000->00000000cf8b6000
[ 0.000000] PT: cf834000 (f834000)
[ 0.000000] Reserving PT: f834000->f8b8000
To deal with this, we keep keep track of the highest physical
address we have reserved via memblock_reserve. If that address
does not overlap with pt_base, we have a gap which we reserve.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
instead of a big memblock_reserve. This way we can be more
selective in freeing regions (and it also makes it easier
to understand where is what).
[v1: Move the auto_translate_physmap to proper line]
[v2: Per Stefano suggestion add more comments]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
It mixed up the p2m_mid_missing with p2m_missing. Also
remove some extra spaces.
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Mainly, use the kernel standard
err = -ERROR;
if (something_bad)
goto out;
normal case;
rather than
if (something_bad)
err = -ERROR
else {
normal case;
}
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Server threads are not running at this point, but svc_age_temp_xprts
still may be, so we need this locking.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
struct file_lock is pretty large and really ought not live on the stack.
On my x86_64 machine, they're almost 200 bytes each.
(gdb) p sizeof(struct file_lock)
$1 = 192
...allocate them dynamically instead.
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
The code checks for a NULL filp and handles it gracefully just before
this BUG_ON.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Commit 4cd2d98340 "Bluetooth: Simplify
the connection type handling" broke the creation of ESCO links.
This patch adds a type parameter to hci_connect_sco() so it creates
the connection of the right kind.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This patch changes the struct l2cap_chan and associated code to use
kref api for object refcounting and freeing.
Suggested-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Jaganath Kanakkassery <jaganath.k@samsung.com>
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Earlier we were printing chan->psm before assigning any value.
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
MGMT_EV_DEVICE_DISCONNECTED will now expose the disconnection reason to
userland, distinguishing four possible values:
0x00 Reason not known or unspecified
0x01 Connection timeout
0x02 Connection terminated by local host
0x03 Connection terminated by remote host
Note that the local/remote distinction just determines which side
terminated the low-level connection, regardless of the disconnection of
the higher-level profiles.
This can sometimes be misleading and thus must be used with care. For
example, some hardware combinations would report a locally initiated
disconnection even if the user turned Bluetooth off in the remote side.
Signed-off-by: Mikel Astiz <mikel.astiz@bmw-carit.de>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Replace the status checks with the short form of the boolean expression.
Signed-off-by: Mikel Astiz <mikel.astiz@bmw-carit.de>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Add more HCI error codes as defined in the specification.
Signed-off-by: Mikel Astiz <mikel.astiz@bmw-carit.de>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Use standard bluetooth way to check NULL pointer !var instead of
var == NULL.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Many Broadcom devices has a vendor specific devices class, with this rule
we match all existent and future controllers with this behavior.
We also remove old rules to that matches product id for Broadcom devices.
Tested-by: John Hommel <john.hommel@hp.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Pull m68knommu arch fixes from Greg Ungerer:
"This contains 2 fixes. One fixes compilation of ColdFire clk code,
the other makes sure we use the generic atomic64 support on all m68k
targets."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: select CONFIG_GENERIC_ATOMIC64 for all m68k CPU types
m68knommu: select CONFIG_HAVE_CLK for ColdFire CPU types
- Fixed Nomadik errorpath
- Fixed documentation spelling errors
- Forward-declare struct device in a header file
- Remove some extraneous code lines when getting pinctrl states
- Correct the i.MX51 configure register number
- Fix the Nomadik keypad function group list
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Merge tag 'pinctrl-fixes-v3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- Fixed Nomadik errorpath
- Fixed documentation spelling errors
- Forward-declare struct device in a header file
- Remove some extraneous code lines when getting pinctrl states
- Correct the i.MX51 configure register number
- Fix the Nomadik keypad function group list
* tag 'pinctrl-fixes-v3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl/nomadik: add kp_b_2 keyboard function group list
pinctrl: imx51: fix .conf_reg of MX51_PAD_SD2_CMD__CSPI_MOSI
trivial: pinctrl core: remove extraneous code lines
pinctrl: header: trivial: declare struct device
Documentation/pinctrl.txt: Fix some misspelled macros
pinctrl/nomadik: fix null in irqdomain errorpath
When unregistered with mac80211, we can't call its functionality
for FW restart, so avoid it and prevent automatic FW restart for
the init firmware.
Signed-off-by: Amit Beka <amit.beka@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There is no need to check if the ownership has been
relinquished but we should rather try to get it in a
loop.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This update became slightly bigger than usual for rc3, but most of the
commits are small and trivial. A large chunk is found for HD-audio
ca0132 codec, which is mostly a clean up of the specific code, to make
SPDIF working properly, and also in the new ASoC Arizona driver.
One important fix is for usb-audio Oops fix since 3.5. We still see
some EHCI related bandwidth problem, but usb-audio should be more
stabilized now.
Other than that, a Kconfig fix is spread over files, and various
HD-audio and ASoC fixes as usual, in addition to Julia's error path
fixes.
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Merge tag 'sound-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This update became slightly bigger than usual for rc3, but most of the
commits are small and trivial. A large chunk is found for HD-audio
ca0132 codec, which is mostly a clean up of the specific code, to make
SPDIF working properly, and also in the new ASoC Arizona driver.
One important fix is for usb-audio Oops fix since 3.5. We still see
some EHCI related bandwidth problem, but usb-audio should be more
stabilized now.
Other than that, a Kconfig fix is spread over files, and various
HD-audio and ASoC fixes as usual, in addition to Julia's error path
fixes."
* tag 'sound-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (42 commits)
ALSA: snd-als100: fix suspend/resume
ALSA: hda - Fix leftover codec->power_transition
ALSA: hda - don't create dysfunctional mixer controls for ca0132
ALSA: sound/ppc/snd_ps3.c: fix error return code
ALSA: sound/pci/rme9652/hdspm.c: fix error return code
ALSA: sound/pci/sis7019.c: fix error return code
ALSA: sound/pci/ctxfi/ctatc.c: fix error return code
ALSA: sound/atmel/ac97c.c: fix error return code
ALSA: sound/atmel/abdac.c: fix error return code
ALSA: fix pcm.h kernel-doc warning and notation
sound: oss/sb_audio: prevent divide by zero bug
ASoC: wm9712: Fix inverted capture volume
ASoC: wm9712: Fix microphone source selection
ASoC: wm5102: Remove DRC2
ALSA: hda - Don't send invalid volume knob command on IDT 92hd75bxx
ALSA: usb-audio: Fix scheduling-while-atomic bug in PCM capture stream
ALSA: lx6464es: Add a missing error check
ALSA: hda - Fix 'Beep Playback Switch' with no underlying mute switch
ASoC: jack: Always notify full jack status
ASoC: wm5110: Add missing input PGA routes
...
It seems commit 4a9d4b024a ("switch fput to task_work_add") re-
introduced the problem addressed in 944be0b224 ("close_files(): add
scheduling point")
If a server process with a lot of files (say 2 million tcp sockets) is
killed, we can spend a lot of time in task_work_run() and trigger a soft
lockup.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
So we've had a fair few reports of fbcon handover breakage between
efi/vesafb and i915 surface recently, so I dedicated a couple of
days to finding the problem.
Essentially the last thing we saw was the conflicting framebuffer
message and that was all.
So after much tracing with direct netconsole writes (printks
under console_lock not so useful), I think I found the race.
Thread A (driver load) Thread B (timer thread)
unbind_con_driver -> |
bind_con_driver -> |
vc->vc_sw->con_deinit -> |
fbcon_deinit -> |
console_lock() |
| |
| fbcon_flashcursor timer fires
| console_lock() <- blocked for A
|
|
fbcon_del_cursor_timer ->
del_timer_sync
(BOOM)
Of course because all of this is under the console lock,
we never see anything, also since we also just unbound the active
console guess what we never see anything.
Hopefully this fixes the problem for anyone seeing vesafb->kms
driver handoff.
Signed-off-by: David Airlie <airlied@redhat.com>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: stable@vger.kernel.org
Tested-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
. Add missing object files needed to use the python binding, cherry-picked
from perf/core, got a report it affects Linus's too, fix it.
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:
* Add missing object files needed to use the python binding, cherry-picked
from perf/core, got a report it affects Linus's tree too, fix it.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Timer internals are protected with irq-safe locks but timer execution
isn't, so a timer being dequeued for execution and its execution
aren't atomic against IRQs. This makes it impossible to wait for its
completion from IRQ handlers and difficult to shoot down a timer from
IRQ handlers.
This issue caused some issues for delayed_work interface. Because
there's no way to reliably shoot down delayed_work->timer from IRQ
handlers, __cancel_delayed_work() can't share the logic to steal the
target delayed_work with cancel_delayed_work_sync(), and can only
steal delayed_works which are on queued on timer. Similarly, the
pending mod_delayed_work() can't be used from IRQ handlers.
This patch adds a new timer flag TIMER_IRQSAFE, which makes the timer
to be executed without enabling IRQ after dequeueing such that its
dequeueing and execution are atomic against IRQ handlers.
This makes it safe to wait for the timer's completion from IRQ
handlers, for example, using del_timer_sync(). It can never be
executing on the local CPU and if executing on other CPUs it won't be
interrupted until done.
This will enable simplifying delayed_work cancel/mod interface.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: torvalds@linux-foundation.org
Cc: peterz@infradead.org
Link: http://lkml.kernel.org/r/1344449428-24962-5-git-send-email-tj@kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Over time, timer initializers became messy with unnecessarily
duplicated code which are inconsistently spread across timer.h and
timer.c.
This patch cleans up timer initializers.
* timer.c::__init_timer() is renamed to do_init_timer().
* __TIMER_INITIALIZER() added. It takes @flags and all initializers
are wrappers around it.
* init_timer[_on_stack]_key() now take @flags.
* __init_timer[_on_stack]() added. They take @flags and all init
macros are wrappers around them.
* __setup_timer[_on_stack]() added. It uses __init_timer() and takes
@flags. All setup macros are wrappers around the two.
Note that this patch doesn't add missing init/setup combinations -
e.g. init_timer_deferrable_on_stack(). Adding missing ones is
trivial.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: torvalds@linux-foundation.org
Cc: peterz@infradead.org
Link: http://lkml.kernel.org/r/1344449428-24962-4-git-send-email-tj@kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
To prepare for addition of another flag, generalize timer->base flags
handling.
* Rename from TBASE_*_FLAG to TIMER_* and make them LU constants.
* Define and use TIMER_FLAG_MASK for flags masking so that multiple
flags can be handled correctly.
* Don't dereference timer->base directly even if
!tbase_get_deferrable(). All two such places are already passed in
@base, so use it instead.
* Make sure tvec_base's alignment is large enough for timer->base
flags using BUILD_BUG_ON().
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: torvalds@linux-foundation.org
Cc: peterz@infradead.org
Link: http://lkml.kernel.org/r/1344449428-24962-2-git-send-email-tj@kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Export dummy_irq_chip to modules to allow them to do things such as
irq_set_chip_and_handler(virq,
&dummy_irq_chip,
handle_level_irq);
This fixes
ERROR: "dummy_irq_chip" [drivers/gpio/gpio-pcf857x.ko] undefined!
when gpio-pcf857x.c is being built as a module.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Greg KH <gregkh@linuxfoundation.org>
Link: http://lkml.kernel.org/r/871ujstrp6.wl%25kuninori.morimoto.gx@renesas.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Export irq_set_chip_and_handler_name() to modules to allow them to
do things such as
irq_set_chip_and_handler(....);
This fixes
ERROR: "irq_set_chip_and_handler_name" \
[drivers/gpio/gpio-pcf857x.ko] undefined!
when gpio-pcf857x.c is being built as a module.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Greg KH <gregkh@linuxfoundation.org>
Link: http://lkml.kernel.org/r/873948trpk.wl%25kuninori.morimoto.gx@renesas.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
codec_dai is not used in the function.
sound/soc/soc-compress.c: In function ‘soc_compr_set_params’:
sound/soc/soc-compress.c:156:22: warning:
unused variable ‘codec_dai’ [-Wunused-variable]
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
