[ALSA] Fix NULL dereference with null modelname

Fix the NULL dereference of modelname option.  The check is moved to
find_codec_preset() now, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2007-03-07 15:55:59 +01:00 committed by Jaroslav Kysela
commit d5ad630b6d