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Date:   Sun, 3 Jan 2021 02:50:01 +0000
From:   Hao Lee <>
Subject: [PATCH] cgroup: Remove unnecessary call to strstrip()

The string buf will be stripped in cgroup_procs_write_start() before it
is converted to int, so remove this unnecessary call to strstrip().

Signed-off-by: Hao Lee <>
 kernel/cgroup/cgroup.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 5e9cb81c088a..8b3554c1113a 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -4774,8 +4774,6 @@ static ssize_t cgroup_threads_write(struct kernfs_open_file *of,
 	ssize_t ret;
 	bool locked;
-	buf = strstrip(buf);
 	dst_cgrp = cgroup_kn_lock_live(of->kn, false);
 	if (!dst_cgrp)
 		return -ENODEV;

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