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

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

1 files changed, 4 insertions, 4 deletions

diff --git a/security/keys/key.c b/security/keys/key.c
index b6061fa29da..3fdc49c6a02 100644
--- 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)