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ALSA: usx2y: Fix potential NULL dereference
authorTakashi Iwai <tiwai@suse.de>
Mon, 20 Apr 2020 07:55:29 +0000 (09:55 +0200)
committerTakashi Iwai <tiwai@suse.de>
Tue, 21 Apr 2020 06:00:41 +0000 (08:00 +0200)
commit7686e3485253635c529cdd5f416fc640abaf076f
treed85bab8e433de3e7f18b34ec34e63b326265f67atree | snapshot
parent6f4ea2074ddf689ac6f892afa58515032dabf2e4commit | diff
ALSA: usx2y: Fix potential NULL dereference

The error handling code in usX2Y_rate_set() may hit a potential NULL
dereference when an error occurs before allocating all us->urb[].
Add a proper NULL check for fixing the corner case.

Reported-by: Lin Yi <teroincn@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200420075529.27203-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/usx2y/usbusx2yaudio.c diff | blob | history
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