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As the control interface is now carried in struct snd_usb_audio, we can
simplify the API a little and also drop the private ctrlif field from
struct usb_mixer_interface.
Also remove a left-over function prototype in pcm.h.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Also add a list of open topics.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Get rid of the last occurances of _v1 suffixes, and move the version
number right after the "uac" string. Now things are consitent again.
Sorry for the forth and back, but it just looks much nicer this way.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Some programs like Skype trying to set capture volume automatically.
Normally it will tray, carefully step by step lover or higher, set the volume.
In real word it work not really well, because devises and vendors lie about
real audio settings.
For example most Logitech webcams have 6400 or 3500 steps for capture volume.
They do not tell that actual resolution is 384. So we have only 7 or 18 real
steps. In this patch I set real resolution only for tested devices.
Signed-off-by: Alexey Fisher <bug-track@fisher-privat.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Stanse found that in snd_usb_parse_audio_endpoints, there is a
dangling pointer dereference. When snd_usb_parse_audio_format fails,
fp is freed, and continue invoked. On the next loop, there is
"fp && fp->altsetting == 1 && fp->channels == 1" test, but fp is set
from the last iteration (but is bogus) and thus ilegally dereferenced.
Set fp to NULL before "continue".
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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These give incorrect results for index wrap on 64 bit.
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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For RANGE requests, we should only query as much bytes as we're in fact
interested in.
For CUR requests, we shouldn't confuse the firmware with an overlong
request but just ask for 2 bytes.
This might need fixing in the future as it's not entirely clear when to
dispatch 1-byte, 2-byte and 4-byte request blocks. For now, we assume
everything is coded in 16bit - this works for all firmware
implementations I've seen.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Reported-by: Alex Lee <alexlee188@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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A device may report its supported sample rates in ranges rather than in
discrete triplets. The code used to only parse the MIN field instead of
properly paying attention to the MAX and RES values.
Also, handle RES values of 1 correctly and announce a continous sample
rate range in this case.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Reported-by: Alex Lee <alexlee188@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Control messages directed to an interface must have the interface number
set in the lower 8 bits of wIndex. This wasn't done correctly for some
clock and mixer messages.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Reported-by: Alex Lee <alexlee188@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The '*bitclk' of structure 'snd_at73c213' seems no use,
so I make a patch to remove the unnecessary variable.
Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Move sound (OSS & ALSA) kernel parameters to their own files.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Cursors need to be in the GTT domain when being accessed by the GPU.
Previously this was a fortuitous byproduct of userspace using pwrite()
to upload the image data into the cursor. The redundant clflush was
removed in commit 9b8c4a and so the image was no longer being flushed
out of the caches into main memory. One could also devise a scenario
where the cursor was rendered by the GPU, prior to being attached as the
cursor, resulting in similar corruption due to the missing MI_FLUSH.
Fixes:
Bug 28335 - Cursor corruption caused by commit 9b8c4a0b21
https://bugs.freedesktop.org/show_bug.cgi?id=28335
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reported-and-tested-by: Jeff Chua <jeff.chua.linux@gmail.com>
Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Andy Isaacson <adi@hexapodia.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: Fix remaining racy updates of EXT4_I(inode)->i_flags
ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files
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A few functions were still modifying i_flags in a racy manner.
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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* 'for-linus' of git://oss.sgi.com/xfs/xfs:
xfs: improve xfs_isilocked
xfs: skip writeback from reclaim context
xfs: remove done roadmap item from xfs-delayed-logging-design.txt
xfs: fix race in inode cluster freeing failing to stale inodes
xfs: fix access to upper inodes without inode64
xfs: fix might_sleep() warning when initialising per-ag tree
fs/xfs/quota: Add missing mutex_unlock
xfs: remove duplicated #include
xfs: convert more trace events to DEFINE_EVENT
xfs: xfs_trace.c: remove duplicated #include
xfs: Check new inode size is OK before preallocating
xfs: clean up xlog_align
xfs: cleanup log reservation calculactions
xfs: be more explicit if RT mount fails due to config
xfs: replace E2BIG with EFBIG where appropriate
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (30 commits)
X25: remove duplicated #include
tcp: use correct net ns in cookie_v4_check()
rps: tcp: fix rps_sock_flow_table table updates
ppp_generic: fix multilink fragment sizes
syncookies: remove Kconfig text line about disabled-by-default
ixgbe: only check pfc bits in hang logic if pfc is enabled
net: check for refcount if pop a stacked dst_entry
ixgbe: return IXGBE_ERR_RAR_INDEX when out of range
act_pedit: access skb->data safely
sfc: Store port number in net_device::dev_id
epic100: Test __BIG_ENDIAN instead of (non-existent) CONFIG_BIG_ENDIAN
tehuti: return -EFAULT on copy_to_user errors
isdn/kcapi: return -EFAULT on copy_from_user errors
e1000e: change logical negate to bitwise
sfc: Get port number from CS_PORT_NUM, not PCI function number
cls_u32: use skb_header_pointer() to dereference data safely
TCP: tcp_hybla: Fix integer overflow in slow start increment
act_nat: fix the wrong checksum when addr isn't in old_addr/mask
net/fec: fix pm to survive to suspend/resume
korina: count RX DMA OVR as rx_fifo_error
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git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2:
nilfs2: remove obsolete declarations of cache constructor and destructor
nilfs2: fix style issue in nilfs_destroy_cachep
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
Minix: Clean up left over label
fix truncate inode time modification breakage
fix setattr error handling in sysfs, configfs
fcntl: return -EFAULT if copy_to_user fails
wrong type for 'magic' argument in simple_fill_super()
fix the deadlock in qib_fs
mqueue doesn't need make_bad_inode()
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* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
module: fix bne2 "gave up waiting for init of module libcrc32c"
module: verify_export_symbols under the lock
module: move find_module check to end
module: make locking more fine-grained.
module: Make module sysfs functions private.
module: move sysfs exposure to end of load_module
module: fix kdb's illicit use of struct module_use.
module: Make the 'usage' lists be two-way
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Problem: it's hard to avoid an init routine stumbling over a
request_module these days. And it's not clear it's always a bad idea:
for example, a module like kvm with dynamic dependencies on kvm-intel
or kvm-amd would be neater if it could simply request_module the right
one.
In this particular case, it's libcrc32c:
libcrc32c_mod_init
crypto_alloc_shash
crypto_alloc_tfm
crypto_find_alg
crypto_alg_mod_lookup
crypto_larval_lookup
request_module
If another module is waiting inside resolve_symbol() for libcrc32c to
finish initializing (ie. bne2 depends on libcrc32c) then it does so
holding the module lock, and our request_module() can't make progress
until that is released.
Waiting inside resolve_symbol() without the lock isn't all that hard:
we just need to pass the -EBUSY up the call chain so we can sleep
where we don't hold the lock. Error reporting is a bit trickier: we
need to copy the name of the unfinished module before releasing the
lock.
Other notes:
1) This also fixes a theoretical issue where a weak dependency would allow
symbol version mismatches to be ignored.
2) We rename use_module to ref_module to make life easier for the only
external user (the out-of-tree ksplice patches).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Tim Abbot <tabbott@ksplice.com>
Tested-by: Brandon Philips <bphilips@suse.de>
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It disabled preempt so it was "safe", but nothing stops another module
slipping in before this module is added to the global list now we don't
hold the lock the whole time.
So we check this just after we check for duplicate modules, and just
before we put the module in the global list.
(find_symbol finds symbols in coming and going modules, too).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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I think Rusty may have made the lock a bit _too_ finegrained there, and
didn't add it to some places that needed it. It looks, for example, like
PATCH 1/2 actually drops the lock in places where it's needed
("find_module()" is documented to need it, but now load_module() didn't
hold it at all when it did the find_module()).
Rather than adding a new "module_loading" list, I think we should be able
to just use the existing "modules" list, and just fix up the locking a
bit.
In fact, maybe we could just move the "look up existing module" a bit
later - optimistically assuming that the module doesn't exist, and then
just undoing the work if it turns out that we were wrong, just before
adding ourselves to the list.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Kay Sievers <kay.sievers@vrfy.org> reports that we still have some
contention over module loading which is slowing boot.
Linus also disliked a previous "drop lock and regrab" patch to fix the
bne2 "gave up waiting for init of module libcrc32c" message.
This is more ambitious: we only grab the lock where we need it.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Brandon Philips <brandon@ifup.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
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These were placed in the header in ef665c1a06 to get the various
SYSFS/MODULE config combintations to compile.
That may have been necessary then, but it's not now. These functions
are all local to module.c.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
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This means a little extra work, but is more logical: we don't put
anything in sysfs until we're about to put the module into the
global list an parse its parameters.
This also gives us a logical place to put duplicate module detection
in the next patch.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Linus changed the structure, and luckily this didn't compile any more.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Martin Hicks <mort@sgi.com>
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When adding a module that depends on another one, we used to create a
one-way list of "modules_which_use_me", so that module unloading could
see who needs a module.
It's actually quite simple to make that list go both ways: so that we
not only can see "who uses me", but also see a list of modules that are
"used by me".
In fact, we always wanted that list in "module_unload_free()": when we
unload a module, we want to also release all the other modules that are
used by that module. But because we didn't have that list, we used to
first iterate over all modules, and then iterate over each "used by me"
list of that module.
By making the list two-way, we simplify module_unload_free(), and it
allows for some trivial fixes later too.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (cleaned & rebased)
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Remove duplicated #include('s) in drivers/net/wan/x25_asy.c
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Its better to make a route lookup in appropriate namespace.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I believe a moderate SYN flood attack can corrupt RFS flow table
(rps_sock_flow_table), making RPS/RFS much less effective.
Even in a normal situation, server handling short lived sessions suffer
from bad steering for the first data packet of a session, if another SYN
packet is received for another session.
We do following action in tcp_v4_rcv() :
sock_rps_save_rxhash(sk, skb->rxhash);
We should _not_ do this if sk is a LISTEN socket, as about each
packet received on a LISTEN socket has a different rxhash than
previous one.
-> RPS_NO_CPU markers are spread all over rps_sock_flow_table.
Also, it makes sense to protect sk->rxhash field changes with socket
lock (We currently can change it even if user thread owns the lock
and might use rxhash)
This patch moves sock_rps_save_rxhash() to a sock locked section,
and only for non LISTEN sockets.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix bug in multilink fragment size calculation introduced by
commit 9c705260feea6ae329bc6b6d5f6d2ef0227eda0a
"ppp: ppp_mp_explode() redesign"
Signed-off-by: Ben McKeegan <ben@netservers.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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syncookies default to on since
e994b7c901ded7200b525a707c6da71f2cf6d4bb
(tcp: Don't make syn cookies initial setting depend on CONFIG_SYSCTL).
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Only check pfc bits in hang logic if PFC is enabled. Previously,
if DCB was enabled but PFC was disabled the incorrect pause
bits would be checked.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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xfrm triggers a warning if dst_pop() drops a refcount
on a noref dst. This patch changes dst_pop() to
skb_dst_pop(). skb_dst_pop() drops the refcnt only
on a refcounted dst. Also we don't clone the child
dst_entry, so it is not refcounted and we can use
skb_dst_set_noref() in xfrm_output_one().
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: wacom - add Cintiq 21UX2 and Intuos4 WL
Input: ads7846 - fix compiler warning in ads7846_probe()
Input: tps6507x-ts - a couple work queue cleanups
Input: s3c2410_ts - tone down logging
Input: s3c2410_ts - fix build error due to ADC Kconfig rename
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (23 commits)
sh: Make intc messages consistent via pr_fmt.
sh: make sure static declaration on ms7724se
sh: make sure static declaration on mach-migor
sh: make sure static declaration on mach-ecovec24
sh: make sure static declaration on mach-ap325rxa
clocksource: sh_cmt: compute mult and shift before registration
clocksource: sh_tmu: compute mult and shift before registration
sh: PIO disabling for x3proto and urquell.
sh: mach-sdk7786: conditionally disable PIO support.
sh: support for platforms without PIO.
usb: r8a66597-hcd pio to mmio accessor conversion.
usb: gadget: r8a66597-udc pio to mmio accessor conversion.
usb: gadget: m66592-udc pio to mmio accessor conversion.
sh: add romImage MMCIF boot for sh7724 and Ecovec V2
sh: add boot code to MMCIF driver header
sh: prepare MMCIF driver header file
sh: allow romImage data between head.S and the zero page
sh: Add support MMCIF for ecovec
sh: remove duplicated #include
input: serio: disable i8042 for non-cayman sh platforms.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/i7core
* 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/i7core: (83 commits)
i7core_edac: Better describe the supported devices
Add support for Westmere to i7core_edac driver
i7core_edac: don't free on success
i7core_edac: Add support for X5670
Always call i7core_[ur]dimm_check_mc_ecc_err
i7core_edac: fix memory leak of i7core_dev
EDAC: add __init to i7core_xeon_pci_fixup
i7core_edac: Fix wrong device id for channel 1 devices
i7core: add support for Lynnfield alternate address
i7core_edac: Add initial support for Lynnfield
i7core_edac: do not export static functions
edac: fix i7core build
edac: i7core_edac produces undefined behaviour on 32bit
i7core_edac: Use a more generic approach for probing PCI devices
i7core_edac: PCI device is called NONCORE, instead of NOCORE
i7core_edac: Fix ringbuffer maxsize
i7core_edac: First store, then increment
i7core_edac: Better parse "any" addrmask
i7core_edac: Use a lockless ringbuffer
edac: Create an unique instance for each kobj
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (87 commits)
V4L/DVB: ivtv: Timing tweaks and code re-order to try and improve stability
V4L/DVB: ivtv: Avoid accidental video standard change
V4L/DVB: ivtvfb : Module load / unload fixes
V4L/DVB: cx2341x: Report correct temporal setting for log-status
V4L/DVB: cx18, cx23885, v4l2 doc, MAINTAINERS: Update Andy Walls' email address
V4L/DVB: drivers/media: Eliminate a NULL pointer dereference
V4L/DVB: dvb-core: Fix ULE decapsulation bug
V4L/DVB: Bug fix: make IR work again for dm1105
V4L/DVB: media/IR: nec-decoder needs to select BITREV
V4L/DVB: video/saa7134: change dprintk() to i2cdprintk()
V4L/DVB: video/saa7134: remove duplicate break
V4L/DVB: IR/imon: add auto-config for 0xffdc rf device
V4L/DVB: IR/imon: clean up usage of bools
V4L/DVB: em28xx: remove unneeded null checks
V4L/DVB: ngene: remove unused #include <linux/version.h>
V4L/DVB: ak881x needs slab.h
V4L/DVB: FusionHDTV: Use quick reads for I2C IR device probing
V4L/DVB: Technotrend S2-3200 ships with a TT 1500 remote
V4L/DVB: drivers/media: Use kzalloc
V4L/DVB: m920x: Select simple tuner
...
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* 'for-linus' of git://git.kernel.dk/linux-2.6-block: (27 commits)
block: make blk_init_free_list and elevator_init idempotent
block: avoid unconditionally freeing previously allocated request_queue
pipe: change /proc/sys/fs/pipe-max-pages to byte sized interface
pipe: change the privilege required for growing a pipe beyond system max
pipe: adjust minimum pipe size to 1 page
block: disable preemption before using sched_clock()
cciss: call BUG() earlier
Preparing 8.3.8rc2
drbd: Reduce verbosity
drbd: use drbd specific ratelimit instead of global printk_ratelimit
drbd: fix hang on local read errors while disconnected
drbd: Removed the now empty w_io_error() function
drbd: removed duplicated #includes
drbd: improve usage of MSG_MORE
drbd: need to set socket bufsize early to take effect
drbd: improve network latency, TCP_QUICKACK
drbd: Revert "drbd: Create new current UUID as late as possible"
brd: support discard
Revert "writeback: fix WB_SYNC_NONE writeback from umount"
Revert "writeback: ensure that WB_SYNC_NONE writeback with sb pinned is sync"
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
gconfig: fix build failure on fedora 13
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (27 commits)
Staging: sep: return -EFAULT on copy_to_user errors
Staging: rc2860: return -EFAULT on copy_to_user errors
Staging: Eliminate a NULL pointer dereference
staging: Use GFP_ATOMIC when a lock is held
Staging: comedi - correct parameter gainlkup for DAQCard-6024E in driver ni_mio_cs.c
Staging: comedi: fixing ni_labpc to mite dependancy
Staging: wlags49_h2, wlags49_h25: fixed Kconfig dependencies
Staging: phison: depends on ATA_BMDMA
Staging: iio-utils: fix memory overflow for dynamically allocateded memory to hold filename
Staging: adis16255: add proper section markings to hotplug funcs
Staging: adis16255: fix typo in Kconfig
Staging: batman-adv: Don't allocate icmp packet with GFP_KERNEL
Staging: batman-adv: Don't call free_netdev twice
Staging: batman-adv: Call unregister_netdev on failures to get rtnl lock
Staging: batman-adv: fix rogue packets on shutdown
Staging: add MSM framebuffer driver
Staging: comedi: fixing ni_tio to mite PCI dependancy
Staging: comedi: fix 8255 and DAS08 Kconfig dependancies.
Staging: comedi: For COMEDI_BUFINFO, check access to command
Staging: comedi: COMEDI_BUFINFO with no async - report no bytes read or written
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
fix setattr error handling in sysfs, configfs
kobject: free memory if netlink_kernel_create() fails
lib/kobject_uevent.c: fix CONIG_NET=n warning
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
serial: add support for various Titan PCI cards
vt_ioctl: return -EFAULT on copy_from_user errors
serial: altera_uart: Proper section for altera_uart_remove
tty: fix a little bug in scrup, vt.c
altera_uart: Simplify altera_uart_console_putc
altera_uart: Don't take spinlock in already protected functions
TTY/n_gsm: potential double lock
serial: bfin_5xx: fix typo in IER check
serial: bfin_5xx: IRDA is not affected by anomaly 05000230
serial_cs: add and sort IDs for serial and modem cards
msm_serial: fix serial on trout
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