Commits
Mengdong Lin committed 4c7a548a70a
ALSA: hda - check NULL pointer when creating SPDIF PCM switch If the new control cannot be created, this function will return to avoid snd_hda_ctl_add dereferencing a NULL control pointer. Signed-off-by: Mengdong Lin <mengdong.lin@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>