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Commit 0b858e6f authored by Li Zefan's avatar Li Zefan Committed by Linus Torvalds
Browse files

clockevent: simplify list operations 



list_for_each_safe() suffices here.

Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 818c3578

kernel/time/clockevents.c

+4 −7
Original line number Original line Diff line number Diff line
@@ -218,6 +218,8 @@ void clockevents_exchange_device(struct clock_event_device *old, 
 */

 */

void clockevents_notify(unsigned long reason, void *arg)

void clockevents_notify(unsigned long reason, void *arg)

{

{

	struct list_head *node, *tmp;



	spin_lock(&clockevents_lock);

	spin_lock(&clockevents_lock);

	clockevents_do_notify(reason, arg);

	clockevents_do_notify(reason, arg);
@@ -227,13 +229,8 @@ void clockevents_notify(unsigned long reason, void *arg) 
		 * Unregister the clock event devices which were

		 * Unregister the clock event devices which were

		 * released from the users in the notify chain.

		 * released from the users in the notify chain.

		 */

		 */

		while (!list_empty(&clockevents_released)) {

		list_for_each_safe(node, tmp, &clockevents_released)

			struct clock_event_device *dev;

			list_del(node);



			dev = list_entry(clockevents_released.next,

					 struct clock_event_device, list);

			list_del(&dev->list);

		}

		break;

		break;

	default:

	default:

		break;

		break;