linux-kernel - [PATCH] cgroup: remove early strstrip in cgroup_threads

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Message-Id: <20190724130526.20671-1-rocking@whu.edu.cn>
Date:   Wed, 24 Jul 2019 21:05:26 +0800
From:   Peng Wang <rocking@....edu.cn>
To:     tj@...nel.org, lizefan@...wei.com, hannes@...xchg.org
Cc:     cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        Peng Wang <rocking@....edu.cn>
Subject: [PATCH] cgroup: remove early strstrip in cgroup_threads_write

cgroup_procs_write_start() will process leading and
trailing whitespace when necessary.

Signed-off-by: Peng Wang <rocking@....edu.cn>
---
 kernel/cgroup/cgroup.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 753afbca549f..49f2b133cf67 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -4796,8 +4796,6 @@ static ssize_t cgroup_threads_write(struct kernfs_open_file *of,
 	struct task_struct *task;
 	ssize_t ret;
 
-	buf = strstrip(buf);
-
 	dst_cgrp = cgroup_kn_lock_live(of->kn, false);
 	if (!dst_cgrp)
 		return -ENODEV;
-- 
2.19.1