[PATCH] sched: rt: Remove unnecessary ‘NULL’ values from push_task

[Li zeming]

push_task is assigned first, so it does not need to initialize the
assignment.

Signed-off-by: Li zeming <zeming@xxxxxxxxxxxx>
---
 kernel/sched/rt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 662c565745fd..55e480d5174a 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -2073,7 +2073,7 @@ static int push_rt_task(struct rq *rq, bool pull)
 	}
 
 	if (is_migration_disabled(next_task)) {
-		struct task_struct *push_task = NULL;
+		struct task_struct *push_task;
 		int cpu;
 
 		if (!pull || rq->push_busy)
-- 
2.18.2