[PATCH] Revert bd_mount_mutex back to a semaphore

[linux.git] / include / linux / rbtree.h

diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h
index 8d5382e62c08e8503f5e43e2e62b7215df2dd26b..344bc3495ddbd12548c32ebaf57cd3c6ee7e8be9 100644 (file)
--- a/include/linux/rbtree.h
+++ b/include/linux/rbtree.h
@@ -133,7 +133,7 @@ static inline void rb_set_color(struct rb_node *rb, int color)
 #define        rb_entry(ptr, type, member) container_of(ptr, type, member)
 
 #define RB_EMPTY_ROOT(root)    ((root)->rb_node == NULL)
-#define RB_EMPTY_NODE(node)    (rb_parent(node) != node)
+#define RB_EMPTY_NODE(node)    (rb_parent(node) == node)
 #define RB_CLEAR_NODE(node)    (rb_set_parent(node, node))
 
 extern void rb_insert_color(struct rb_node *, struct rb_root *);