Commit 82af6bc0 authored Jul 17, 2008 by Takashi Iwai

ALSA: opti93x - Fix NULL dereference



Probing non-existing device causes Oops with snd-opti93x driver
due to NULL access in the destructor of the error path.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Rene Herman <rene.herman@gmail.com>
Acked-by: Rene Herman <rene.herman@gmail.com>
Tested-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Ingo Molnar <mingo@elte.hu>

parent 2522d735

sound/isa/opti9xx/opti92x-ad1848.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -688,7 +688,7 @@ static void snd_card_opti9xx_free(struct snd_card *card)
		if (chip) {
		#ifdef OPTi93X
		struct snd_cs4231 *codec = chip->codec;
		if (codec->irq > 0) {
		if (codec && codec->irq > 0) {
		disable_irq(codec->irq);
		free_irq(codec->irq, codec);
		}

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