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implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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Conflicts:
Documentation/filesystems/proc.txt
arch/arm/mach-u300/include/mach/debug-macro.S
drivers/net/qlge/qlge_ethtool.c
drivers/net/qlge/qlge_main.c
drivers/net/typhoon.c
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Conflicts:
drivers/firmware/iscsi_ibft.c
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (362 commits)
V4L-DVB: cx88-dvb: remove extra attribution for core
V4L/DVB: v4l: soc_camera: fix bound checking of mbus_fmt[] index
V4L/DVB: Add support for SMT7020 to cx88
V4L/DVB: radio-si470x: Use UTF-8 encoding on a comment
V4L/DVB: MAINTAINERS: Telegent tlg2300 section fix
V4L/DVB: gspca_stv06xx: Add support for camera button
V4L/DVB: gspca_ov519: add support for the button on ov511 based cams
V4L/DVB: gspca_ov519: Add support for the button on ov518 based cams
V4L/DVB: gspca_ov519: add support for the button on ov519 based cams
V4L/DVB: gspca_main: Fix a compile error when CONFIG_INPUT is not set
V4L/DVB: gspca_main: some input error handling fixes
V4L/DVB: gspca_main: Allow use of input device creation code for non int. inputs
V4L/DVB: gspca_pac7302: much improved exposure control
V4L/DVB: gspca_sonixb: Make sonixb driver handle pas106 and pas202 cameras
V4L/DVB: gspca_sonixb: pas106: fixup bright ctrl and add gain and exposure ctrls
V4L/DVB: Documentation: gspca.txt: update known mr97310a cams
V4L/DVB: gspca_mr97310a: add support for the Sakar 1638x CyberPix
V4L/DVB: gscpa_sonixb: limit ov7630 max framerate at 640x480
V4L/DVB: gspca_sonixb: pas202: fixup brightness ctrl and add gain and exposure ctrls
V4L/DVB: gscpa_sonixb: Differentiate between sensors with a coarse and fine expo ctrl
...
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invalid Payload Pointer
ULE (Unidirectional Lightweight Encapsulation RFC 4326) decapsulation
has a bug that causes endless loop when Payload Pointer of MPEG2-TS
frame is 182 or 183. Anyone who sends malicious MPEG2-TS frame will
cause the receiver of ULE SNDU to go into endless loop.
This patch was generated and tested against linux-2.6.32.9 and should
apply cleanly to linux-2.6.33 as well because there was only one typo
fix to dvb_net.c since v2.6.32.
This bug was brought to you by modern day Santa Claus who decided to
shower the satellite dish at Keio University with heavy snow causing
huge burst of errors. We, receiver end, received Santa Claus's gift in
the form of kernel bug.
Care has been taken not to introduce more bug by fixing this bug, but
please scrutinize the code for I always produces buggy code.
Signed-off-by: Ang Way Chuang <wcang79@gmail.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add EXPORT_SYMBOL(dvb_ringbuffer_flush) again,
replace my_dvb_ringbuffer_flush() in ngene driver.
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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drivers/media/dvb/dvb-core/dvb_frontend.c | 6 ++----
Signed-off-by: Thiago Farina <tfransosi@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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When printing that an iocl were called, report the ioctl number.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
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This patch replaces dev->mc_count in all drivers (hopefully I didn't miss
anything). Used spatch and did small tweaks and conding style changes when
it was suitable.
Jirka
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In particular, several occurances of funny versions of 'success',
'unknown', 'therefore', 'acknowledge', 'argument', 'achieve', 'address',
'beginning', 'desirable', 'separate' and 'necessary' are fixed.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Joe Perches <joe@perches.com>
Cc: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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A DVB demultiplexer device can be used to set up either a PES filter or
a section filter. In the former case, the ts field of the feed union of
struct dmxdev_filter is used, in the latter case the sec field of the
same union is used.
The ts field is a struct list_head, and is currently initialized in the
open() method of the demux device. When for a given demuxer a section
filter is set up, the sec field is played with, thus if a PES filter
needs to be set up after that the ts field will be corrupted, causing a
kernel oops.
This fix moves the list head initialization to
dvb_dmxdev_pes_filter_set(), so that the ts field is properly
initialized every time a PES filter is set up.
Signed-off-by: Francesco Lavra <francescolavra@interfree.it>
Cc: stable <stable@kernel.org>
Reviewed-by: Andy Walls <awalls@radix.net>
Tested-by: hermann pitton <hermann-pitton@arcor.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As dvb_dmx_swfilter_packet() is protected by a spinlock, it shouldn't sleep.
However, vmalloc() may call sleep. So, move the initialization of
dvb_demux::cnt_storage field to a better place.
Reviewed-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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dvb_dmx_init tries to allocate virtual memory for 2 pointers: filter and feed.
If the second vmalloc fails, filter is freed, but the pointer keeps pointing
to the old place. Later, when dvb_dmx_release() is called, it will try to
free an already freed memory, causing an OOPS.
Reviewed-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Use the %pM kernel extension to display the MAC address and mask.
The only difference in the output is that the output is shown in
the usual colon-separated hex notation.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (345 commits)
V4L/DVB (13542): ir-keytable: Allow dynamic table change
V4L/DVB (13541): atbm8830: replace 64-bit division and floating point usage
V4L/DVB (13540): ir-common: Cleanup get key evdev code
V4L/DVB (13539): ir-common: add __func__ for debug messages
V4L/DVB (13538): ir-common: Use a dynamic keycode table
V4L/DVB (13537): ir: Prepare the code for dynamic keycode table allocation
V4L/DVB (13536): em28xx: Use the full RC5 code on HVR-950 Remote Controller
V4L/DVB (13535): ir-common: Add a hauppauge new table with the complete RC5 code
V4L/DVB (13534): ir-common: Remove some unused fields/structs
V4L/DVB (13533): ir: use dynamic tables, instead of static ones
V4L/DVB (13532): ir-common: Add infrastructure to use a dynamic keycode table
V4L/DVB (13531): ir-common: rename the debug routine to allow exporting it
V4L/DVB (13458): go7007: subdev conversion
V4L/DVB (13457): s2250: subdev conversion
V4L/DVB (13456): s2250: Change module structure
V4L/DVB (13528): em28xx: add support for em2800 VC211A card
em28xx: don't reduce scale to half size for em2800
em28xx: don't load audio modules when AC97 is mis-detected
em28xx: em2800 chips support max width of 640
V4L/DVB (13523): dvb-bt8xx: fix compile warning
...
Fix up trivial conflicts due to spelling fixes from the trivial tree in
Documentation/video4linux/gspca.txt
drivers/media/video/cx18/cx18-mailbox.h
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Conflicts:
kernel/irq/chip.c
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second
[mchehab@redhat.com: add asm/div64.h and allocate vars only if dvb_demux_speedcheck specified]
Signed-off-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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override frontend ioctls
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.
Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Fixes:
v4l/dvb_frontend.c: In function 'dvb_frontend_stop':
v4l/dvb_frontend.c:707: error: implicit declaration of function 'init_MUTEX'
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=14609
Reported-by: <tstrelar@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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something-bility is spelled as something-blity
so a grep for 'blit' would find these lines
this is so trivial that I didn't split it by subsystem / copy
additional maintainers - all changes are to comments
The only purpose is to get fewer false positives when grepping
around the kernel sources.
Signed-off-by: Dirk Hohndel <hohndel@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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After m68k's task_thread_info() doesn't refer to current,
it's possible to remove sched.h from interrupt.h and not break m68k!
Many thanks to Heiko Carstens for allowing this.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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[akpm@linux-foundation.org: fix KVM]
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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As pointed by Marcin Slusarz <marcin.slusarz@gmail.com>, the warns happens
because CONFIG_DVB_MAX_ADAPTERS depends on CONFIG_DVB_CORE, and there are
valid configs where DVB_CORE is not selected.
This causes such warnings, for every V4L and common drivers that may or
may not be compiled with DVB support:
drivers/media/dvb/dvb-core/dvbdev.h:36:2: warning: #warning invalid CONFIG_DVB_MAX_ADAPTERS value
We can safely remove the warning.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (222 commits)
V4L/DVB (13033): pt1: Don't use a deprecated DMA_BIT_MASK macro
V4L/DVB (13029): radio-si4713: remove #include <linux/version.h>
V4L/DVB (13027): go7007: convert printks to v4l2_info
V4L/DVB (13026): s2250-board: Implement brightness and contrast controls
V4L/DVB (13025): s2250-board: Fix memory leaks
V4L/DVB (13024): go7007: Implement vidioc_g_std and vidioc_querystd
V4L/DVB (13023): go7007: Merge struct gofh and go declarations
V4L/DVB (13022): go7007: Fix mpeg controls
V4L/DVB (13021): go7007: Fix whitespace and line lengths
V4L/DVB (13020): go7007: Updates to Kconfig and Makefile
V4L/DVB (13019): video: initial support for ADV7180
V4L/DVB (13018): kzalloc failure ignored in au8522_probe()
V4L/DVB (13017): gspca: kmalloc failure ignored in sd_start()
V4L/DVB (13016): kmalloc failure ignored in lgdt3304_attach() and s921_attach()
V4L/DVB (13015): kmalloc failure ignored in m920x_firmware_download()
V4L/DVB (13014): Add support for Compro VideoMate E800 (DVB-T part only)
V4L/DVB (13013): FM TX: si4713: Kconfig: Fixed two typos.
V4L/DVB (13012): uvc: introduce missing kfree
V4L/DVB (13011): Change tuner type of BeholdTV cards
V4L/DVB (13009): gspca - stv06xx-hdcs: Reduce exposure range
...
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This allows subsytems to provide devtmpfs with non-default permissions
for the device node. Instead of the default mode of 0600, null, zero,
random, urandom, full, tty, ptmx now have a mode of 0666, which allows
non-privileged processes to access standard device nodes in case no
other userspace process applies the expected permissions.
This also fixes a wrong assignment in pktcdvd and a checkpatch.pl complain.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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In ISDB-S, time-devision duplex is used to multiplexing several waves
in the same frequency. Each wave is identified by its own transport
stream ID, or TS ID. We need to provide some way to specify this ID
from user applications to handle ISDB-S frontends.
This code has been tested with the Earthsoft PT1 driver.
[mchehab@infradead.org: Fix merge conflicts with isdbt and rename the new parameter to DTV_ISDBS_TS_ID]
Signed-off-by: HIRANO Takahito <hiranotaka@zng.info>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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It was forgotten to map the LAYER_ENABLED ioctl to the frontend-cache and back.
Signed-off-by: Patrick Boettcher <pboettcher@dibcom.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch increments the DVB-API to version 5.1 in order to reflect the addition of ISDB-T and ISDB-Tsb on Linux' DVB-API.
Changes in detail:
- added a small document to describe how to use the API to tune to an ISDB-T or ISDB-Tsb channel
- added necessary fields to dtv_frontend_cache
- added a smarter clear-cache function which resets all fields of the dtv_frontend_cache
- added a TRANSMISSION_MODE_4K to fe_transmit_mode_t
Signed-off-by: Olivier Grenie <olgrenie@dibcom.fr>
Signed-off-by: Patrick Boettcher <pboettcher@dibcom.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (213 commits)
V4L/DVB (12720): em28xx-cards: Add vendor/product id for Kworld DVD Maker 2
V4L/DVB (12713): em28xx: Cleanups at ir_i2c handler
V4L/DVB (12712): em28xx: properly load ir-kbd-i2c when needed
V4L/DVB (12701): saa7134: ir-kbd-i2c init data needs a persistent object
V4L/DVB (12699): cx18: ir-kbd-i2c initialization data should point to a persistent object
V4L/DVB (12698): em28xx: ir-kbd-i2c init data needs a persistent object
V4L/DVB (12707): gspca - sn9c20x: Add SXGA support to MT9M111
V4L/DVB (12706): gspca - sn9c20x: disable exposure/gain controls for MT9M111 sensors.
V4L/DVB (12705): gspca - sn9c20x: Add SXGA support to SOI968
V4L/DVB (12703): gspca - sn9c20x: Reduces size of object
V4L/DVB (12704): gspca - sn9c20x: Fix exposure on SOI968 sensors
V4L/DVB (12696): gspca - sonixj / sn9c102: Two drivers for 0c45:60fc and 0c45:613e.
V4L/DVB (12695): gspca - vc032x: Do the LED work with the sensor hv7131r.
V4L/DVB (12694): gspca - vc032x: Change the start exchanges of the sensor hv7131r.
V4L/DVB (12693): gspca - sunplus: The brightness is signed.
V4L/DVB (12692): gspca - sunplus: Optimize code.
V4L/DVB (12691): gspca - sonixj: Don't use mdelay().
V4L/DVB (12690): gspca - pac7311: Webcam 06f8:3009 added.
V4L/DVB (12686): dvb-core: check supported QAM modulations
V4L/DVB (12685): dvb-core: check fe->ops.set_frontend return value
...
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Check the modulation in dvb_frontend_check_parameters against
frontend's capabilties for FE_QAM devices.
Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Various frontend driver have parameter checks in their set_frontend
functions and return an error if the parameters are not supported,
tda10021 and cx24116 to name two.
The tuning ioctls FE_SET_FRONTEND/FE_SET_PROPERTY only change values
in the property cache and return before set_frontend is called. If a
set_frontend call in software zigzag algorithm fails and the card was
previously locked it will report a lock and the new parameters but is
still tuned to the old transport. This is not detectable from
userspace.
This change checks the return values of fe->ops.set_frontend and
changes the state to the added FESTATE_ERROR for software zigzag.
No lock will be reported to userspace if the State is FESTATE_ERROR.
Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Support for more than 8 DVB devices is requested regularly so make it
a kconfig variable instead of a header define. Values in the range 4-32
are tested.
Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Values for 'pid' range from 0 to 0x1fff. Therefore 'feed->pid' can never
be equal to both 'pid' and 0x2000. This makes the continue statement have
no effect.
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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DMX_ADD_PID allows to add multiple PIDs to a transport stream filter
previously set up with DMX_SET_PES_FILTER and output=DMX_OUT_TSDEMUX_TAP.
DMX_REMOVE_PID is used to drop a PID from a filter.
These ioctls are to be used by readers of /dev/dvb/adapterX/demuxY. They
may be called at any time, i.e. before or after the first filter on the
shared file descriptor was started.
They make it possible to record multiple services without the need to de-
or re-multiplex TS packets.
To accomplish this, dmxdev_filter->feed.ts has been converted to a list
of struct dmxdev_feeds, each containing a PID value and a pointer to a
struct dmx_ts_feed.
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
arch/microblaze/include/asm/socket.h
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* Remove smp_lock.h from files which don't need it (including some headers!)
* Add smp_lock.h to files which do need it
* Make smp_lock.h include conditional in hardirq.h
It's needed only for one kernel_locked() usage which is under CONFIG_PREEMPT
This will make hardirq.h inclusion cheaper for every PREEMPT=n config
(which includes allmodconfig/allyesconfig, BTW)
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch is the result of an automatic spatch transformation to convert
all ndo_start_xmit() return values of 0 to NETDEV_TX_OK.
Some occurences are missed by the automatic conversion, those will be
handled in a seperate patch.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (425 commits)
V4L/DVB (11870): gspca - main: VIDIOC_ENUM_FRAMESIZES ioctl added.
V4L/DVB (12004): poll method lose race condition
V4L/DVB (11894): flexcop-pci: dmesg visible names broken
V4L/DVB (11892): Siano: smsendian - declare function as extern
V4L/DVB (11891): Siano: smscore - bind the GPIO SMS protocol
V4L/DVB (11890): Siano: smscore - remove redundant code
V4L/DVB (11889): Siano: smsdvb - add DVB v3 events
V4L/DVB (11888): Siano: smsusb - remove redundant ifdef
V4L/DVB (11887): Siano: smscards - add board (target) events
V4L/DVB (11886): Siano: smscore - fix some new GPIO definitions names
V4L/DVB (11885): Siano: Add new GPIO management interface
V4L/DVB (11884): Siano: smssdio - revert to stand alone module
V4L/DVB (11883): Siano: cards - add two additional (USB) devices
V4L/DVB (11824): Siano: smsusb - change exit func debug msg
V4L/DVB (11823): Siano: smsusb - fix typo in module description
V4L/DVB (11822): Siano: smscore - bug fix at get_device_mode
V4L/DVB (11821): Siano: smscore - fix isdb-t firmware name
V4L/DVB (11820): Siano: smscore - fix byte ordering bug
V4L/DVB (11819): Siano: smscore - fix get_common_buffer bug
V4L/DVB (11818): Siano: smscards - assign gpio to HPG targets
...
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The fact that we now explicitly set fepriv->exit = 1 when the thread is
shutting down exposed an edge case where it was not being reset back to zero
once the thread went away in some cases. This resulted in failures in cases
where the frontend was closed, and then opened O_RDONLY, since in that case
the thread is not being restarted but it was checking the fepriv->exit flag.
Thanks to Thierry Lelegard, who and encountered and debugged a large portion
of the issue in the same twelve hours that I did (as well as testing my patch).
Cc: Thierry Lelegard <thierry.lelegard@tv-numeric.com>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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tuning commands
A race condition was detected in the case that putting the tuner to sleep takes
an unusually long period of time, combined with applications that quickly
close/open the dvb frontend.
The kaffeine channel scanner closes and reopens the dvb frontend between each
tuning attempt. If it takes an unusually longer period of time to put the
tuner to sleep (for example, the Pinnacle 801e takes 660 ms), the dvb_frontend
thread will still be in a running state (and hence fepriv->thread is still set)
but the fepriv->exit field will still be zero. As a result, if a
dvb_frontend_start() call arrives while the frontend thread is in the process
of terminating, the call will return 0 without actually starting a new thread.
This results in the tuning request being dropped.
To address this, mark fepriv->exit as soon as we know the thread is going to
be terminated, so that dvb_frontend_start() knows to start a new instance.
Problem encountered with Kaffeine 0.8.7 doing ATSC scanning against the
Pinnacle 801e tuner, in conjunction with new code to power down the xc5000
when not in use.
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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detected or TEI flag detected in header
Signed-off-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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dvb_dvr_read
dvb_dvr_read may unlock the dmxdev mutex and return -ENODEV, except this
function is a file op and will never be called with the mutex held.
There's existing mutex_lock and mutex_unlock around the actual read but
it's commented out. These should probably be uncommented but the read
blocks and this could block another non-blocking reader on the mutex
instead.
This change comments out the extra mutex_unlock.
[akpm@linux-foundation.org: cleanups, simplification]
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This adds support to the dvb core to report the proper device name to
userspace for their devices.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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dvb: constify VFTs
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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only first time after insmod.
For legacy applications stv0899 performs search only first time after insmod
due to not set DVBFE_ALGO_SEARCH_AGAIN bit
Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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