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Commit 9b08c2aa authored by Karsten Wiese's avatar Karsten Wiese Committed by Jaroslav Kysela
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[ALSA] Fix bug in snd-usb-usx2y's usX2Y_pcms_lock_check() 



Fix bug in snd-usb-usx2y's usX2Y_pcms_lock_check()
substream can be NULL......
in mainline, bug was introduced by:
2006-06-22  [ALSA] Add O_APPEND flag support to PCM

Signed-off-by: default avatarKarsten Wiese <annabellesgarden@yahoo.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 104326f8

sound/usb/usx2y/usx2yhwdeppcm.c

+1 −1
Original line number Diff line number Diff line
@@ -632,7 +632,7 @@ static int usX2Y_pcms_lock_check(struct snd_card *card) 
		for (s = 0; s < 2; ++s) {

			struct snd_pcm_substream *substream;

			substream = pcm->streams[s].substream;

			if (SUBSTREAM_BUSY(substream))

			if (substream && SUBSTREAM_BUSY(substream))

				err = -EBUSY;

		}

	}