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(parent: 89e1e66) | patch
ALSA: usb - driver neglects kmalloc return value check and may deref NULL
authorJesper Juhl <jj@chaosbits.net>
Fri, 29 Oct 2010 18:40:23 +0000 (20:40 +0200)
committerTakashi Iwai <tiwai@suse.de>
Mon, 1 Nov 2010 09:23:39 +0000 (10:23 +0100)
commit8a8d56b2a2f9aa423c3d8b6b1e2792c0492059ed
tree03fa96d09560dcc68a059318a4100157d37da806tree | snapshot
parent89e1e66d6be8a520cdcd26043cda2cc870a34015commit | diff
ALSA: usb - driver neglects kmalloc return value check and may deref NULL

sound/usb/pcm.c::snd_usb_pcm_check_knot() fails to check the return value
from kmalloc() and may end up dereferencing a null pointer.
The patch below (compile tested only) should take care of that little
problem.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/pcm.c diff | blob | history
John Crispins staging tree