sched/fair: Clean up the __clear_buddies_*() functions

Slightly easier code flow, no functional changes.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1328936700.2476.17.camel@laptop
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index c4bb0ac26a7cd44ea95fdb61e380d88650fb498c..846172107ba5939153d7c129dd6a4683412343d5 100644 (file)
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2739,10 +2739,10 @@ static void __clear_buddies_last(struct sched_entity *se)
 {
        for_each_sched_entity(se) {
                struct cfs_rq *cfs_rq = cfs_rq_of(se);
-               if (cfs_rq->last == se)
-                       cfs_rq->last = NULL;
-               else
+               if (cfs_rq->last != se)
                        break;
+
+               cfs_rq->last = NULL;
        }
 }
 
@@ -2750,10 +2750,10 @@ static void __clear_buddies_next(struct sched_entity *se)
 {
        for_each_sched_entity(se) {
                struct cfs_rq *cfs_rq = cfs_rq_of(se);
-               if (cfs_rq->next == se)
-                       cfs_rq->next = NULL;
-               else
+               if (cfs_rq->next != se)
                        break;
+
+               cfs_rq->next = NULL;
        }
 }
 
@@ -2761,10 +2761,10 @@ static void __clear_buddies_skip(struct sched_entity *se)
 {
        for_each_sched_entity(se) {
                struct cfs_rq *cfs_rq = cfs_rq_of(se);
-               if (cfs_rq->skip == se)
-                       cfs_rq->skip = NULL;
-               else
+               if (cfs_rq->skip != se)
                        break;
+
+               cfs_rq->skip = NULL;
        }
 }