diff options
Diffstat (limited to 'sound/sound_core.c')
| -rw-r--r-- | sound/sound_core.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/sound/sound_core.c b/sound/sound_core.c index 45759f4cca7..11e953a1fa4 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -626,31 +626,20 @@ static int soundcore_open(struct inode *inode, struct file *file) if (s) new_fops = fops_get(s->unit_fops); } + spin_unlock(&sound_loader_lock); if (new_fops) { /* * We rely upon the fact that we can't be unloaded while the - * subdriver is there, so if ->open() is successful we can - * safely drop the reference counter and if it is not we can - * revert to old ->f_op. Ugly, indeed, but that's the cost of - * switching ->f_op in the first place. + * subdriver is there. */ int err = 0; - const struct file_operations *old_fops = file->f_op; - file->f_op = new_fops; - spin_unlock(&sound_loader_lock); + replace_fops(file, new_fops); if (file->f_op->open) err = file->f_op->open(inode,file); - if (err) { - fops_put(file->f_op); - file->f_op = fops_get(old_fops); - } - - fops_put(old_fops); return err; } - spin_unlock(&sound_loader_lock); return -ENODEV; } |