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| author | Karsten Wiese <annabellesgarden@yahoo.de> | 2006-10-04 17:16:46 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-10-06 20:23:01 +0200 |
| commit | 9b08c2aa54948361da0e2d26b47e3bcb8f8911e8 (patch) | |
| tree | d52df581096117e5cd75495f0defbdeebde0095b /sound/usb | |
| parent | [ALSA] Dereference after free in snd_hwdep_release() (diff) | |
| download | linux-9b08c2aa54948361da0e2d26b47e3bcb8f8911e8.tar.xz 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.c | 2 |
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; } } |