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timerqueue: Use rb_entry_safe() instead of open-coding it

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Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: John Stultz <john.stultz@linaro.org>
Link: http://lkml.kernel.org/r/0d5cf199ac43792df0b6f7e2145545c30fa1dbbe.1482222135.git.geliangtang@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Geliang Tang 2016-12-20 21:57:44 +08:00 committed by Thomas Gleixner
parent 9e3d6223d2
commit d852d39432
1 changed files with 1 additions and 2 deletions
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3
lib/timerqueue.c
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@ -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);