From 0992768d1da1fdfc05d7ac1d7659200be60d9b4e Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 2 Aug 2006 21:12:09 +0200
Subject: [PATCH] --- yaml --- r: 33212 b: refs/heads/master c:
 6cb53e7ed77d429531afa8d822d59909f953a771 h: refs/heads/master v: v3

---
 [refs]                         | 2 +-
 trunk/sound/core/oss/pcm_oss.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index e76761349a06..8988332f4944 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 264f9577a5a12de97aa85fa49dfd2788a4127e23
+refs/heads/master: 6cb53e7ed77d429531afa8d822d59909f953a771
diff --git a/trunk/sound/core/oss/pcm_oss.c b/trunk/sound/core/oss/pcm_oss.c
index f5ff4f4a16ee..472fce0ee0e8 100644
--- a/trunk/sound/core/oss/pcm_oss.c
+++ b/trunk/sound/core/oss/pcm_oss.c
@@ -2228,6 +2228,8 @@ 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;