- 03 2月, 2016 1 次提交
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由 Takashi Iwai 提交于
The port subscription code uses double mutex locks for source and destination ports, and this may become racy once when wrongly set up. It leads to lockdep warning splat, typically triggered by fuzzer like syzkaller, although the actual deadlock hasn't been seen, so far. This patch simplifies the handling by reducing to two single locks, so that no lockdep warning will be trigger any longer. By splitting to two actions, a still-in-progress element shall be added in one list while handling another. For ignoring this element, a new check is added in deliver_to_subscribers(). Along with it, the code to add/remove the subscribers list element was cleaned up and refactored. BugLink: http://lkml.kernel.org/r/CACT4Y+aKQXV7xkBW9hpQbzaDO7LrUvohxWh-UwMxXjDy-yBD=A@mail.gmail.comReported-by: NDmitry Vyukov <dvyukov@google.com> Tested-by: NDmitry Vyukov <dvyukov@google.com> Cc: <stable@vger.kernel.org> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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- 10 3月, 2015 1 次提交
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由 Takashi Iwai 提交于
The kernel memory allocators already report the errors when the requested allocation fails, thus we don't need to warn it again in each caller side. Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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- 26 1月, 2015 2 次提交
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由 Clemens Ladisch 提交于
Signed-off-by: NClemens Ladisch <clemens@ladisch.de> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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由 Clemens Ladisch 提交于
Signed-off-by: NClemens Ladisch <clemens@ladisch.de> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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- 14 2月, 2014 1 次提交
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由 Takashi Iwai 提交于
Use the standard pr_xxx() helpers instead of home-baked snd_print*(). Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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- 01 11月, 2011 1 次提交
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由 Paul Gortmaker 提交于
Lots of sound drivers were getting module.h via the implicit presence of it in <linux/device.h> but we are going to clean that up. So fix up those users now. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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- 27 2月, 2011 1 次提交
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由 Justin P. Mattock 提交于
The Patch below removes one to many "n's" in a word.. Signed-off-by: NJustin P. Mattock <justinmattock@gmail.com> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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- 13 8月, 2008 1 次提交
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由 Takashi Iwai 提交于
Kill snd_assert() in sound/core/*, either removed or replaced with if () with snd_BUG_ON(). Signed-off-by: NTakashi Iwai <tiwai@suse.de> Signed-off-by: NJaroslav Kysela <perex@perex.cz>
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- 01 2月, 2008 1 次提交
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由 Takashi Iwai 提交于
This header file exists only for some hacks to adapt alsa-driver tree. It's useless for building in the kernel. Let's move a few lines in it to sound/core.h and remove it. With this patch, sound/driver.h isn't removed but has just a single compile warning to include it. This should be really killed in future. Signed-off-by: NTakashi Iwai <tiwai@suse.de> Signed-off-by: NJaroslav Kysela <perex@perex.cz>
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- 16 10月, 2007 1 次提交
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由 Jaroslav Kysela 提交于
Signed-off-by: NJaroslav Kysela <perex@perex.cz>
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- 09 2月, 2007 2 次提交
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由 Takashi Iwai 提交于
Fix possible rwsem deadlocks in sequencer code at removal of sequencer ports. The list_lock of port group can be double locked. Signed-off-by: NTakashi Iwai <tiwai@suse.de> Signed-off-by: NJaroslav Kysela <perex@suse.cz>
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由 Johannes Berg 提交于
This patch converts most uses of list_for_each to list_for_each_entry all across alsa. In some place apparently an item can be on a list with different pointers so of course that isn't compatible with list_for_each, I therefore didn't touch those places. Signed-off-by: NJohannes Berg <johannes@sipsolutions.net> Signed-off-by: NTakashi Iwai <tiwai@suse.de> Signed-off-by: NJaroslav Kysela <perex@suse.cz>
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- 04 7月, 2006 1 次提交
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由 Ingo Molnar 提交于
Teach special (recursive) locking code to the lock validator. Has no effect on non-lockdep kernels. Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NArjan van de Ven <arjan@linux.intel.com> Cc: Takashi Iwai <tiwai@suse.de> Cc: Jaroslav Kysela <perex@suse.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 29 6月, 2006 1 次提交
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由 Takashi Iwai 提交于
seq_ports.c::snd_seq_delete_all_ports() uses __list_add() to replace the whole list entries. This results in BUG() with recent FC5 kernel due to a sanity check in __list_add(). The patch fixes this misue of __list_add() by using standard macros instead (although a bit more code is needed). Signed-off-by: NTakashi Iwai <tiwai@suse.de> Signed-off-by: NJaroslav Kysela <perex@suse.cz>
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- 23 6月, 2006 2 次提交
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由 Takashi Iwai 提交于
Removed nested mutexes in the removal routine of port connections. The port is guaranteed to be offline before calling it, so no mutex is needed. Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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由 Takashi Iwai 提交于
Move EXPORT_SYMBOL()s to places adjacent to functions/variables. Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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- 22 3月, 2006 1 次提交
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由 Ingo Molnar 提交于
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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- 03 1月, 2006 1 次提交
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由 Takashi Iwai 提交于
Modules: ALSA sequencer Remove xxx_t typedefs from the core sequencer codes. Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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- 12 9月, 2005 1 次提交
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由 Takashi Iwai 提交于
ALSA sequencer,Instrument layer,ALSA<-OSS sequencer Replace kcalloc(1,..) with kzalloc(). Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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- 17 4月, 2005 1 次提交
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由 Linus Torvalds 提交于
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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