diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/sound.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/core/sound.c b/sound/core/sound.c index 44a69bb..7872a02 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -152,6 +152,10 @@ static int __snd_open(struct inode *inode, struct file *file) } old_fops = file->f_op; file->f_op = fops_get(mptr->f_ops); + if (file->f_op == NULL) { + file->f_op = old_fops; + return -ENODEV; + } if (file->f_op->open) err = file->f_op->open(inode, file); if (err) { |
