From d852d39432f5d9822dd0ea8760573448338caf41 Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Tue, 20 Dec 2016 21:57:44 +0800 Subject: [PATCH] timerqueue: Use rb_entry_safe() instead of open-coding it Signed-off-by: Geliang Tang Cc: Andrew Morton Cc: John Stultz Link: http://lkml.kernel.org/r/0d5cf199ac43792df0b6f7e2145545c30fa1dbbe.1482222135.git.geliangtang@gmail.com Signed-off-by: Thomas Gleixner --- lib/timerqueue.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/timerqueue.c b/lib/timerqueue.c index adc6ee0a5126..4a720ed4fdaf 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);