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| author | Takashi Iwai <tiwai@suse.de> | 2012-11-07 12:44:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-17 13:14:22 -0800 |
| commit | 8a7173c58c8a1e25d7b2d572f045da837bb373bf (patch) | |
| tree | 1b16fcddcaffe247fc152ec187c7e439c8c43d6c /sound/core/oss | |
| parent | 40edba667959559aa4385a5ec047420fcfeb5f03 (diff) | |
| download | kernel_samsung_aries-8a7173c58c8a1e25d7b2d572f045da837bb373bf.zip kernel_samsung_aries-8a7173c58c8a1e25d7b2d572f045da837bb373bf.tar.gz kernel_samsung_aries-8a7173c58c8a1e25d7b2d572f045da837bb373bf.tar.bz2 | |
ALSA: Avoid endless sleep after disconnect
commit 0914f7961babbf28aaa2f19b453951fb4841c03f upstream.
When disconnect callback is called, each component should wake up
sleepers and check card->shutdown flag for avoiding the endless sleep
blocking the proper resource release.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/core/oss')
| -rw-r--r-- | sound/core/oss/pcm_oss.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index ef6414b..ea75724 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; |