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authorTakashi Iwai <tiwai@suse.de>2006-08-04 20:37:33 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2006-08-06 20:52:16 -0700
commita2f4638207875fb0a164cd39f16174ef794a1906 (patch)
treea9a3e1ba188a7b0fffb7e849847f157923ff7caf
parent2181f8c0a96a7b0e29151330c2fae6e18831ed3a (diff)
ALSA: Don't reject O_RDWR at opening PCM OSS
Accept O_RDWR at opening a PCM OSS device that is read- or write-only, just for the compatibility with the behavior of older versions. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--sound/core/oss/pcm_oss.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index ac990bf0b48f..785a2acd9adf 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;