diff --git a/[refs] b/[refs]
index 726ff0961d93..d71810e6dd39 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b8ccc51f6fc6cde3644b4a2159fb57fe6c38d465
+refs/heads/master: 3c492d2033f4c67e967e85ff46b8ebac0c5c4036
diff --git a/trunk/drivers/s390/char/vmur.c b/trunk/drivers/s390/char/vmur.c
index 77571b68539a..cc56fc708bae 100644
--- a/trunk/drivers/s390/char/vmur.c
+++ b/trunk/drivers/s390/char/vmur.c
@@ -695,7 +695,6 @@ static int ur_open(struct inode *inode, struct file *file)
 
 	if (accmode == O_RDWR)
 		return -EACCES;
-	lock_kernel();
 	/*
 	 * We treat the minor number as the devno of the ur device
 	 * to find in the driver tree.
@@ -749,7 +748,6 @@ static int ur_open(struct inode *inode, struct file *file)
 		goto fail_urfile_free;
 	urf->file_reclen = rc;
 	file->private_data = urf;
-	unlock_kernel();
 	return 0;
 
 fail_urfile_free:
@@ -761,7 +759,6 @@ static int ur_open(struct inode *inode, struct file *file)
 fail_put:
 	urdev_put(urd);
 out:
-	unlock_kernel();
 	return rc;
 }