linux-kernel - [PATCH] sched: deadline: Remove unnecessary ‘NULL’ values from dl_task_offline

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Message-Id: <20230523234101.3439-1-zeming@nfschina.com>
Date:   Wed, 24 May 2023 07:41:01 +0800
From:   Li zeming <zeming@...china.com>
To:     mingo@...hat.com, peterz@...radead.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
        bristot@...hat.com, vschneid@...hat.com
Cc:     linux-kernel@...r.kernel.org, Li zeming <zeming@...china.com>
Subject: [PATCH] sched: deadline: Remove unnecessary ‘NULL’ values from dl_task_offline_migration

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

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

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 5a9a4b81c972..d823e608c7f0 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -667,7 +667,7 @@ static struct rq *find_lock_later_rq(struct task_struct *task, struct rq *rq);
 
 static struct rq *dl_task_offline_migration(struct rq *rq, struct task_struct *p)
 {
-	struct rq *later_rq = NULL;
+	struct rq *later_rq;
 	struct dl_bw *dl_b;
 
 	later_rq = find_lock_later_rq(p, rq);
-- 
2.18.2