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[PATCH] rbtree: fixed reversed RB_EMPTY_NODE and rb_next/prev

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The conditions got reserved. Also make rb_next() and rb_prev() check
for the empty condition.

Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Jens Axboe 2006-07-11 21:15:52 +02:00 • committed by Jens Axboe
parent 9817064b68
commit 10fd48f237
3 changed files with 9 additions and 3 deletions
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include/linux/rbtree.h
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@ -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 *);