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clockevent: simplify list operations

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list_for_each_safe() suffices here.

Signed-off-by: Li 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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Li Zefan 2008-02-08 04:19:24 -08:00 committed by Linus Torvalds
parent 818c357802
commit 0b858e6ff9
1 changed files with 4 additions and 7 deletions
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11
kernel/time/clockevents.c
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@ -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;