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authorTakashi Iwai <tiwai@suse.de>2012-10-30 11:08:25 +0100
committerTakashi Iwai <tiwai@suse.de>2012-10-30 11:08:25 +0100
commita5d00dc3a4b65ed38249f3225e453944c633747b (patch)
tree6249ca5a5f13059f42890525a9ea7133778f3891 /sound/core/oss/pcm_oss.c
parent1a8506d4402b6e96c2ed778dc7ccbb48d1e02fce (diff)
parent0914f7961babbf28aaa2f19b453951fb4841c03f (diff)
Merge branch 'for-linus' into for-next
... for migrating the core changes for USB-audio disconnection fixes
Diffstat (limited to 'sound/core/oss/pcm_oss.c')
-rw-r--r--sound/core/oss/pcm_oss.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 08fde0060fd9..f337b66a020b 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -2441,6 +2441,10 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
mutex_unlock(&pcm->open_mutex);
schedule();
mutex_lock(&pcm->open_mutex);
+ if (pcm->card->shutdown) {
+ err = -ENODEV;
+ break;
+ }
if (signal_pending(current)) {
err = -ERESTARTSYS;
break;
@@ -2457,6 +2461,8 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
__error2:
snd_card_file_remove(pcm->card, file);
__error1:
+ if (pcm)
+ snd_card_unref(pcm->card);
return err;
}