diff --git a/[refs] b/[refs]
index d4f4f5b827fd..5e20b6aea7cf 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0f64478cbc7a008fe7b7e9ae79a73d8a6904ead8
+refs/heads/master: a65dc301c7448a9a8d24bf1cbfe292541d1fa390
diff --git a/trunk/drivers/usb/misc/adutux.c b/trunk/drivers/usb/misc/adutux.c
index aecd633fe9f6..af2934e016a7 100644
--- a/trunk/drivers/usb/misc/adutux.c
+++ b/trunk/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;
 }