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f5e94b4c6e
linux/sound/core/seq
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Takashi Iwai f5e94b4c6e ALSA: seq: oss: Fix unbalanced use lock for synth MIDI device 
When get_synthdev() is called for a MIDI device, it returns the fixed
midi_synth_dev without the use refcounting.  OTOH, the caller is
supposed to unreference unconditionally after the usage, so this would
lead to unbalanced refcount.

This patch corrects the behavior and keep up the refcount balance also
for the MIDI synth device.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-04-25 10:37:45 +02:00
..
oss ALSA: seq: oss: Fix unbalanced use lock for synth MIDI device 2018-04-25 10:37:45 +02:00
Kconfig ALSA: seq: Fix CONFIG_SND_SEQ_MIDI dependency 2017-08-11 09:51:41 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
seq_clientmgr.c ALSA: seq: Clear client entry before deleting else at closing 2018-03-10 17:30:01 +01:00
seq_clientmgr.h ALSA: seq: Make ioctls race-free 2018-01-11 14:37:51 +01:00
seq_compat.c ALSA: seq: fix passing wrong pointer in function call of compatibility layer 2016-10-12 20:09:36 +02:00
seq_dummy.c ALSA: seq: Drop snd_seq_autoload_lock() and _unlock() 2015-02-12 14:42:31 +01:00
seq_fifo.c ALSA: seq: More protection for concurrent write and ioctl races 2018-03-08 12:05:37 +01:00
seq_fifo.h [ALSA] Remove xxx_t typedefs: Sequencer 2006-01-03 12:17:52 +01:00
seq_info.c ALSA: core: Build conditionally and remove superfluous ifdefs 2015-04-24 17:31:07 +02:00
seq_info.h ALSA: replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS 2015-05-27 21:25:19 +02:00
seq_lock.c ALSA: seq: Enable 'use' locking in all configurations 2017-10-18 08:01:46 +02:00
seq_lock.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
seq_memory.c ALSA: seq: More protection for concurrent write and ioctl races 2018-03-08 12:05:37 +01:00
seq_memory.h ALSA: seq: More protection for concurrent write and ioctl races 2018-03-08 12:05:37 +01:00
seq_midi_emul.c ALSA: seq: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:03 +02:00
seq_midi_event.c ALSA: seq: Follow standard EXPORT_SYMBOL() declarations 2017-06-16 16:19:03 +02:00
seq_midi.c ALSA: seq: Drop snd_seq_autoload_lock() and _unlock() 2015-02-12 14:42:31 +01:00
seq_ports.c ALSA: seq: Fix use-after-free at creating a port 2017-10-11 09:58:18 +02:00
seq_ports.h ALSA: seq: remove unused callback_all field 2015-01-26 13:56:58 +01:00
seq_prioq.c ALSA: seq: Fix possible UAF in snd_seq_check_queue() 2018-03-10 17:29:49 +01:00
seq_prioq.h ALSA: seq: Fix possible UAF in snd_seq_check_queue() 2018-03-10 17:29:49 +01:00
seq_queue.c ALSA: seq: Fix possible UAF in snd_seq_check_queue() 2018-03-10 17:29:49 +01:00
seq_queue.h ALSA: seq: 2nd attempt at fixing race creating a queue 2017-08-15 08:02:35 +02:00
seq_system.c sound: Add export.h for THIS_MODULE/EXPORT_SYMBOL where needed 2011-10-31 19:31:22 -04:00
seq_system.h [ALSA] Remove xxx_t typedefs: Sequencer 2006-01-03 12:17:52 +01:00
seq_timer.c ALSA: seq: Process queue tempo/ppq change in a shot 2018-01-15 16:48:36 +01:00
seq_timer.h ALSA: seq: Process queue tempo/ppq change in a shot 2018-01-15 16:48:36 +01:00
seq_virmidi.c ALSA: seq: Fix copy_from_user() call inside lock 2017-10-09 14:10:13 +02:00
seq.c ALSA: timer: remove legacy rtctimer 2016-04-25 10:41:46 +02:00