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(parent: 5c06d68) | patch
ALSA: seq: Fix missing NULL check at remove_events ioctl
authorTakashi Iwai <tiwai@suse.de>
Tue, 12 Jan 2016 11:38:02 +0000 (12:38 +0100)
committerTakashi Iwai <tiwai@suse.de>
Tue, 12 Jan 2016 16:21:48 +0000 (17:21 +0100)
commit030e2c78d3a91dd0d27fef37e91950dde333eba1
treed98816c29d7f5d56428897d83e9174952408114atree | snapshot (tar.gz zip)
parent5c06d68bc2a174a6b82dce9f100f55173b9a5189commit | diff
ALSA: seq: Fix missing NULL check at remove_events ioctl

snd_seq_ioctl_remove_events() calls snd_seq_fifo_clear()
unconditionally even if there is no FIFO assigned, and this leads to
an Oops due to NULL dereference.  The fix is just to add a proper NULL
check.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/core/seq/seq_clientmgr.c diff | blob | blame | history