linux-kernel - [PATCH] cgroup: Refactor two assignments in css_task_iter_next_css

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Message-Id: <20200614022833.2641-1-zzuedu2000@163.com>
Date:   Sun, 14 Jun 2020 10:28:33 +0800
From:   zzuedu2000@....com
To:     tj@...nel.org, lizefan@...wei.com, hannes@...xchg.org
Cc:     cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        Markus.Elfring@....de, songmuchun@...edance.com,
        buddy.zhang@...yun.com, Wei Fenghai <zzuedu2000@....com>
Subject: [PATCH] cgroup: Refactor two assignments in css_task_iter_next_css_set()

From: Wei Fenghai <zzuedu2000@....com>

Combine two assignments for the variable ‘l’ into one statement.

Signed-off-by: Wei Fenghai <zzuedu2000@....com>
---
 kernel/cgroup/cgroup.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 1ea181a58465..c3e6db6e44d8 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -4352,8 +4352,7 @@ static struct css_set *css_task_iter_next_css_set(struct css_task_iter *it)
 	}
 
 	/* find the next cset */
-	l = it->cset_pos;
-	l = l->next;
+	l = it->cset_pos->next;
 	if (l == it->cset_head) {
 		it->cset_pos = NULL;
 		return NULL;
-- 
2.17.1