rmap: move label `out' to a better place

When the code jumps to the `out', `referenced' is still zero.  So there is
no need to check it.

Signed-off-by: Huang Shijie <[email protected]>
Acked-by: Wu Fengguang <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
diff --git a/mm/rmap.c b/mm/rmap.c
index e032d96..1a0ee6e 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -388,9 +388,10 @@
 out_unmap:
 	(*mapcount)--;
 	pte_unmap_unlock(pte, ptl);
-out:
+
 	if (referenced)
 		*vm_flags |= vma->vm_flags;
+out:
 	return referenced;
 }