[RBTREE] Update key.c to use rb_parent() accessor macro.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

diff --git a/security/keys/key.c b/security/keys/key.c
index b6061fa29da7fc7eb5278530ebb26769dc4ebcde..3fdc49c6a02cde37607fbf792bfc2068fd773860 100644 (file)
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -211,12 +211,12 @@ static inline void key_alloc_serial(struct key *key)
                        key->serial = 2;
                key_serial_next = key->serial + 1;
 
-               if (!parent->rb_parent)
+               if (!rb_parent(parent))
                        p = &key_serial_tree.rb_node;
-               else if (parent->rb_parent->rb_left == parent)
-                       p = &parent->rb_parent->rb_left;
+               else if (rb_parent(parent)->rb_left == parent)
+                       p = &(rb_parent(parent)->rb_left);
                else
-                       p = &parent->rb_parent->rb_right;
+                       p = &(rb_parent(parent)->rb_right);
 
                parent = rb_next(parent);
                if (!parent)