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56b1c72a75
linux/sound/firewire
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Takashi Sakamoto 56b1c72a75 ALSA: firewire-lib: avoid NULL pointer dereference after closing MIDI port 
When asynchronous MIDI port is closed before callbacked, the callback
function causes NULL pointer dereference to missing MIDI substream.

This commit fixes this bug.

Fixes: e8a40d9bcb23('ALSA: firewire-lib: schedule work again when MIDI substream has rest of MIDI messages')
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-10-19 11:58:21 +02:00
..
bebob ALSA: bebob: use correct type for __be32 data 2015-10-19 11:57:03 +02:00
dice ALSA: dice: assign converted data to the same type of variable 2015-10-19 11:57:01 +02:00
digi00x ALSA: firewire-digi00x/firewire-tascam: remove wrong conversion for Config ROM 2015-10-19 11:57:03 +02:00
fireworks ALSA: fireworks: use u32 type for be32_to_cpup() macro 2015-10-19 11:57:02 +02:00
oxfw ALSA: fireworks/bebob/oxfw/dice: enable to make as built-in 2015-10-18 09:08:11 +02:00
tascam ALSA: firewire-digi00x/firewire-tascam: remove wrong conversion for Config ROM 2015-10-19 11:57:03 +02:00
amdtp-am824.c ALSA: firewire-lib: process_rx_data_blocks() can be static 2015-09-29 16:52:52 +02:00
amdtp-am824.h ALSA: firewire-lib: complete AM824 data block processing layer 2015-09-29 12:51:20 +02:00
amdtp-stream.c ALSA: firewire-lib: continue packet processing at detecting wrong CIP headers 2015-10-11 18:14:01 +02:00
amdtp-stream.h ALSA: firewire-lib: complete AM824 data block processing layer 2015-09-29 12:51:20 +02:00
cmp.c ALSA: firewire-lib: fix kerneldoc errors 2014-11-18 18:10:23 +01:00
cmp.h ALSA: firewire-lib: Add a new function to check others' connection 2014-05-26 14:22:46 +02:00
fcp.c ALSA: firewire-lib: rename 'amdtp' to 'amdtp-stream' to prepare for functional separation 2015-09-29 12:47:11 +02:00
fcp.h ALSA: firewire-lib: Add some AV/C general commands 2014-05-26 14:23:13 +02:00
isight.c ALSA: pcm: Add snd_pcm_stop_xrun() helper 2014-11-09 18:20:40 +01:00
iso-resources.c ALSA: firewire-lib: leave unit reference counting completely 2015-03-10 15:27:19 +01:00
iso-resources.h firewire: octlet AT payloads can be stack-allocated 2011-05-10 22:53:44 +02:00
Kconfig ALSA: firewire-tascam: add hwdep interface 2015-10-02 18:17:04 +02:00
lib.c ALSA: firewire-lib: avoid NULL pointer dereference after closing MIDI port 2015-10-19 11:58:21 +02:00
lib.h ALSA: firewire-lib: avoid endless loop to transfer MIDI messages at fatal error 2015-10-09 09:57:06 +02:00
Makefile ALSA: oxfw: remove a meaningless entry from firewire Makefile 2015-10-18 09:10:11 +02:00
packets-buffer.c sound: Add export.h for THIS_MODULE/EXPORT_SYMBOL where needed 2011-10-31 19:31:22 -04:00
packets-buffer.h
scs1x.c ALSA: firewire: Convert to snd_card_new() with a device pointer 2014-02-14 08:13:31 +01:00