X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Fcore%2Foss%2Fpcm_oss.c;fp=sound%2Fcore%2Foss%2Fpcm_oss.c;h=0691aca5115ac251e399841da9fcf9012a952bf8;hb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;hp=7f393a024b0934232e9ec0d65ccb3916d42c57d2;hpb=1db395853d4f30d6120458bd279ede1f882a8525;p=linux-2.6.git

diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 7f393a024..0691aca51 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -1745,6 +1745,8 @@ static int snd_pcm_oss_open_file(struct file *file,
 	for (idx = 0; idx < 2; idx++) {
 		if (setup[idx].disable)
 			continue;
+		if (! pcm->streams[idx].substream_count)
+			continue; /* no matching substream */
 		if (idx == SNDRV_PCM_STREAM_PLAYBACK) {
 			if (! (f_mode & FMODE_WRITE))
 				continue;