ALSA: hda - Fix possible NULL dereference in snd_hda_get_pin_label()

Fix a possible NULL access of indexp in fill_audio_out_name() called
from snd_hda_get_pin_label().

Spotted by coverity CID 402035.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
1 file changed