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| author | Dan Carpenter <error27@gmail.com> | 2010-10-10 19:33:52 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-10-11 13:44:17 +0200 |
| commit | d4cfa4d12f46e2520f4c1d1a92e891ce068b7464 (patch) | |
| tree | 3c5fa5a8e2c29f7adfac3ed11c53d30b158c6220 /sound/oss | |
| parent | cb655d0f3d57c23db51b981648e452988c0223f9 (diff) | |
| download | linux-stable-d4cfa4d12f46e2520f4c1d1a92e891ce068b7464.tar.gz linux-stable-d4cfa4d12f46e2520f4c1d1a92e891ce068b7464.tar.bz2 linux-stable-d4cfa4d12f46e2520f4c1d1a92e891ce068b7464.zip | |
OSS: soundcard: locking bug in sound_ioctl()
We shouldn't return directly here because we're still holding the
&soundcard_mutex.
This bug goes all the way back to the start of git. It's strange that
no one has complained about it as a runtime bug.
CC: stable@kernel.org
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/oss')
| -rw-r--r-- | sound/oss/soundcard.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c index 92aa762ffb7e..07f803e6d203 100644 --- a/sound/oss/soundcard.c +++ b/sound/oss/soundcard.c @@ -391,11 +391,11 @@ static long sound_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case SND_DEV_DSP: case SND_DEV_DSP16: case SND_DEV_AUDIO: - return audio_ioctl(dev, file, cmd, p); + ret = audio_ioctl(dev, file, cmd, p); break; case SND_DEV_MIDIN: - return MIDIbuf_ioctl(dev, file, cmd, p); + ret = MIDIbuf_ioctl(dev, file, cmd, p); break; } |