diff options
| author | Takashi Iwai <tiwai@suse.de> | 2010-08-05 11:17:04 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-08-05 11:17:04 +0200 |
| commit | 74bf40f0793fed9e01eb6164c2ce63e8c27ca205 (patch) | |
| tree | f41312c0943978842ac258873b29da04d72d0625 /sound/oss/soundcard.c | |
| parent | e71981343ad29b5d929f82ac56c0b27b8ea0e540 (diff) | |
| parent | c4685849b4d725ab80cd29f5e09f5f128b4724b5 (diff) | |
Merge branch 'topic/misc' into for-linus
Diffstat (limited to 'sound/oss/soundcard.c')
| -rw-r--r-- | sound/oss/soundcard.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c index 2d9c51312622..92aa762ffb7e 100644 --- a/sound/oss/soundcard.c +++ b/sound/oss/soundcard.c @@ -210,42 +210,44 @@ static int sound_open(struct inode *inode, struct file *file) printk(KERN_ERR "Invalid minor device %d\n", dev); return -ENXIO; } + lock_kernel(); switch (dev & 0x0f) { case SND_DEV_CTL: dev >>= 4; if (dev >= 0 && dev < MAX_MIXER_DEV && mixer_devs[dev] == NULL) { request_module("mixer%d", dev); } + retval = -ENXIO; if (dev && (dev >= num_mixers || mixer_devs[dev] == NULL)) - return -ENXIO; + break; if (!try_module_get(mixer_devs[dev]->owner)) - return -ENXIO; + break; + + retval = 0; break; case SND_DEV_SEQ: case SND_DEV_SEQ2: - if ((retval = sequencer_open(dev, file)) < 0) - return retval; + retval = sequencer_open(dev, file); break; case SND_DEV_MIDIN: - if ((retval = MIDIbuf_open(dev, file)) < 0) - return retval; + retval = MIDIbuf_open(dev, file); break; case SND_DEV_DSP: case SND_DEV_DSP16: case SND_DEV_AUDIO: - if ((retval = audio_open(dev, file)) < 0) - return retval; + retval = audio_open(dev, file); break; default: printk(KERN_ERR "Invalid minor device %d\n", dev); - return -ENXIO; + retval = -ENXIO; } + unlock_kernel(); return 0; } |