diff options
| -rw-r--r-- | drivers/usb/misc/adutux.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c index aecd633fe9f..af2934e016a 100644 --- a/drivers/usb/misc/adutux.c +++ b/drivers/usb/misc/adutux.c @@ -370,7 +370,8 @@ static int adu_release(struct inode *inode, struct file *file) retval = adu_release_internal(dev); exit: - up(&dev->sem); + if (dev) + up(&dev->sem); dbg(2," %s : leave, return value %d", __FUNCTION__, retval); return retval; } |