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ALSA: hda/realtek - Fix Oops in alc_mux_select()
authorTakashi Iwai <tiwai@suse.de>
Fri, 2 Dec 2011 14:29:12 +0000 (15:29 +0100)
committerMaxim Uvarov <maxim.uvarov@oracle.com>
Tue, 10 Jan 2012 21:00:09 +0000 (13:00 -0800)
commit5435876a786bf15cfbfd603b270704aff2242b68
treeb88028ee709d449262b0612b3780ea11ec354beatree
parentcc42f334a3c47e5bd1741af2bb063e7faf44f746commit | diff
ALSA: hda/realtek - Fix Oops in alc_mux_select()

commit cce4aa378a049f4275416ee6302dd24f37b289df upstream.

When no imux is available (e.g. a single capture source),
alc_auto_init_input_src() may trigger an Oops due to the access to -1.
Add a proper zero-check to avoid it.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
sound/pci/hda/patch_realtek.c diff | blob | history
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