diff options
Diffstat (limited to 'sound/oss/vwsnd.c')
| -rw-r--r-- | sound/oss/vwsnd.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/oss/vwsnd.c b/sound/oss/vwsnd.c index 20b3b325aa80..99c94c48558c 100644 --- a/sound/oss/vwsnd.c +++ b/sound/oss/vwsnd.c @@ -2921,6 +2921,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) DBGE("(inode=0x%p, file=0x%p)\n", inode, file); + lock_kernel(); INC_USE_COUNT; for (devc = vwsnd_dev_list; devc; devc = devc->next_dev) if ((devc->audio_minor & ~0x0F) == (minor & ~0x0F)) @@ -2928,6 +2929,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) if (devc == NULL) { DEC_USE_COUNT; + unlock_kernel(); return -ENODEV; } @@ -2936,11 +2938,13 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) mutex_unlock(&devc->open_mutex); if (file->f_flags & O_NONBLOCK) { DEC_USE_COUNT; + unlock_kernel(); return -EBUSY; } interruptible_sleep_on(&devc->open_wait); if (signal_pending(current)) { DEC_USE_COUNT; + unlock_kernel(); return -ERESTARTSYS; } mutex_lock(&devc->open_mutex); @@ -2993,6 +2997,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) file->private_data = devc; DBGRV(); + unlock_kernel(); return 0; } @@ -3062,15 +3067,18 @@ static int vwsnd_mixer_open(struct inode *inode, struct file *file) DBGEV("(inode=0x%p, file=0x%p)\n", inode, file); INC_USE_COUNT; + lock_kernel(); for (devc = vwsnd_dev_list; devc; devc = devc->next_dev) if (devc->mixer_minor == iminor(inode)) break; if (devc == NULL) { DEC_USE_COUNT; + unlock_kernel(); return -ENODEV; } file->private_data = devc; + unlock_kernel(); return 0; } |