* [PATCH] clockevents: use list_move instead of list_del/list_add
@ 2012-09-06 5:19 Wei Yongjun
0 siblings, 0 replies; only message in thread
From: Wei Yongjun @ 2012-09-06 5:19 UTC (permalink / raw)
To: tglx; +Cc: yongjun_wei, linux-kernel
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Using list_move() instead of list_del() + list_add().
spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
kernel/time/clockevents.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 7e1ce01..8c4aac5 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -267,8 +267,7 @@ static void clockevents_notify_released(void)
while (!list_empty(&clockevents_released)) {
dev = list_entry(clockevents_released.next,
struct clock_event_device, list);
- list_del(&dev->list);
- list_add(&dev->list, &clockevent_devices);
+ list_move(&dev->list, &clockevent_devices);
clockevents_do_notify(CLOCK_EVT_NOTIFY_ADD, dev);
}
}
@@ -386,8 +385,7 @@ void clockevents_exchange_device(struct clock_event_device *old,
*/
if (old) {
clockevents_set_mode(old, CLOCK_EVT_MODE_UNUSED);
- list_del(&old->list);
- list_add(&old->list, &clockevents_released);
+ list_move(&old->list, &clockevents_released);
}
if (new) {
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