From e84f9e57b90ca89664d733a7cef19aa7ccd832f3 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 22 Sep 2013 14:17:15 -0400 Subject: consolidate the reassignments of ->f_op in ->open() instances Signed-off-by: Al Viro --- sound/core/sound.c | 22 ++++++---------------- 1 file changed, 6 insertions(+), 16 deletions(-) (limited to 'sound/core/sound.c') diff --git a/sound/core/sound.c b/sound/core/sound.c index f002bd911dae..437c25ea6403 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -153,7 +153,7 @@ static int snd_open(struct inode *inode, struct file *file) { unsigned int minor = iminor(inode); struct snd_minor *mptr = NULL; - const struct file_operations *old_fops; + const struct file_operations *new_fops; int err = 0; if (minor >= ARRAY_SIZE(snd_minors)) @@ -167,24 +167,14 @@ static int snd_open(struct inode *inode, struct file *file) return -ENODEV; } } - old_fops = file->f_op; - file->f_op = fops_get(mptr->f_ops); - if (file->f_op == NULL) { - file->f_op = old_fops; - err = -ENODEV; - } + new_fops = fops_get(mptr->f_ops); mutex_unlock(&sound_mutex); - if (err < 0) - return err; + if (!new_fops) + return -ENODEV; + replace_fops(file, new_fops); - if (file->f_op->open) { + 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; } -- cgit v1.2.3