linux-kernel - [PATCH] cgroup/cpuset: remove unreachable code

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Message-Id: <20220907040112.82030-1-jiapeng.chong@linux.alibaba.com>
Date:   Wed,  7 Sep 2022 12:01:12 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     lizefan.x@...edance.com
Cc:     tj@...nel.org, hannes@...xchg.org, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] cgroup/cpuset: remove unreachable code

The function sched_partition_show cannot execute seq_puts, delete the
invalid code.

kernel/cgroup/cpuset.c:2849 sched_partition_show() warn: ignoring unreachable code.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2087
Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 kernel/cgroup/cpuset.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 6baa977a71ba..b474289c15b8 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -2846,8 +2846,6 @@ static int sched_partition_show(struct seq_file *seq, void *v)
 		else
 			seq_printf(seq, "%s invalid\n", type);
 		break;
-		seq_puts(seq, "isolated invalid\n");
-		break;
 	}
 	return 0;
 }
-- 
2.20.1.7.g153144c