diff options
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 2d9c513..92aa762 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; } |
