tree fb8dc9b71ec90beeb1f5bae529e6c54ca8189709
parent bbbc7e8502c95237dbd86cc4d0a12ca9a6b18c8f
author Takashi Iwai <tiwai@suse.de> 1425056275 +0100
committer Takashi Iwai <tiwai@suse.de> 1425378387 +0100

ALSA: hda - Don't assume non-NULL PCM ops

The PCM ops might be set NULL, or cleared to NULL when the driver is
unbound.  Give a proper NULL check at each place to be more robust.

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