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authorKarsten Wiese <annabellesgarden@yahoo.de>2006-10-04 17:16:46 +0200
committerJaroslav Kysela <perex@suse.cz>2006-10-06 20:23:01 +0200
commit9b08c2aa54948361da0e2d26b47e3bcb8f8911e8 (patch)
treed52df581096117e5cd75495f0defbdeebde0095b /sound/usb
parent104326f8df9925317cca64b84249d3eac5de7c74 (diff)
downloadblackbird-op-linux-9b08c2aa54948361da0e2d26b47e3bcb8f8911e8.tar.gz
blackbird-op-linux-9b08c2aa54948361da0e2d26b47e3bcb8f8911e8.zip
[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: Karsten Wiese <annabellesgarden@yahoo.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/usx2y/usx2yhwdeppcm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c
index 9acef9d90543..20708d2ffb6a 100644
--- a/sound/usb/usx2y/usx2yhwdeppcm.c
+++ b/sound/usb/usx2y/usx2yhwdeppcm.c
@@ -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;
}
}
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