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authorLi Zefan <lizf@cn.fujitsu.com>2008-02-08 15:19:24 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 20:22:29 +0300
commit0b858e6ff9a38b987a83d22e6f2a2f621c80608d (patch)
tree71bea1f83730b25ef1a18d56e9b5e69261b884c4 /kernel
parent818c357802e2791880057fe752dc9ce9e210f772 (diff)
downloadlinux-0b858e6ff9a38b987a83d22e6f2a2f621c80608d.tar.xz
clockevent: simplify list operations
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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/time/clockevents.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 3e59fce6dd43..1d327f6db424 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -218,6 +218,8 @@ void clockevents_exchange_device(struct clock_event_device *old,
*/
void clockevents_notify(unsigned long reason, void *arg)
{
+ struct list_head *node, *tmp;
+
spin_lock(&clockevents_lock);
clockevents_do_notify(reason, arg);
@@ -227,13 +229,8 @@ void clockevents_notify(unsigned long reason, void *arg)
* Unregister the clock event devices which were
* released from the users in the notify chain.
*/
- while (!list_empty(&clockevents_released)) {
- struct clock_event_device *dev;
-
- dev = list_entry(clockevents_released.next,
- struct clock_event_device, list);
- list_del(&dev->list);
- }
+ list_for_each_safe(node, tmp, &clockevents_released)
+ list_del(node);
break;
default:
break;