[PATCH] timerqueue: use rb_entry_safe

[Geliang Tang]

Use rb_entry_safe() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangt...@gmail.com>
---
 lib/timerqueue.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/timerqueue.c b/lib/timerqueue.c
index 782ae8c..3debca0 100644
--- a/lib/timerqueue.c
+++ b/lib/timerqueue.c
@@ -80,8 +80,7 @@ bool timerqueue_del(struct timerqueue_head *head, struct 
timerqueue_node *node)
        if (head->next == node) {
                struct rb_node *rbn = rb_next(&node->node);
 
-               head->next = rbn ?
-                       rb_entry(rbn, struct timerqueue_node, node) : NULL;
+               head->next = rb_entry_safe(rbn, struct timerqueue_node, node);
        }
        rb_erase(&node->node, &head->head);
        RB_CLEAR_NODE(&node->node);
-- 
2.9.3