Commit e26e7545 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
Browse files

[ALSA] ac97 - NULL check in snd_ac97_suspend/resume 



Modules: AC97 Codec

Add NULL check in snd_ac97_suspend() and snd_ac97_resume() so that
the caller doesn't have to do it by itself.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 603bf524

sound/pci/ac97/ac97_codec.c

+5 −0
Original line number Diff line number Diff line
@@ -2186,6 +2186,8 @@ static void snd_ac97_powerdown(struct snd_ac97 *ac97) 
 */

void snd_ac97_suspend(struct snd_ac97 *ac97)

{

	if (! ac97)

		return;

	if (ac97->build_ops->suspend)

		ac97->build_ops->suspend(ac97);

	snd_ac97_powerdown(ac97);
@@ -2242,6 +2244,9 @@ void snd_ac97_resume(struct snd_ac97 *ac97) 
{

	unsigned long end_time;



	if (! ac97)

		return;



	if (ac97->bus->ops->reset) {

		ac97->bus->ops->reset(ac97);

		goto  __reset_ready;