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Commit 4c7a548a authored by Mengdong Lin's avatar Mengdong Lin Committed by Takashi Iwai
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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: default avatarMengdong Lin <mengdong.lin@intel.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 25336e8a
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