From: Xiu Jianfeng <xiujianfeng@huawei.com>
Date: Fri, 19 Apr 2024 08:53:16 +0000 (+0000)
Subject: cgroup: Avoid unnecessary looping in cgroup_no_v1()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=19fc8a896565ecebb3951664fd0eeab0a80314a1;p=linux.git

cgroup: Avoid unnecessary looping in cgroup_no_v1()

No need to continue the for_each_subsys loop after the token matches the
name of subsys and cgroup_no_v1_mask is set.

Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
index 520a11cb12f44..b9dbf6bf2779d 100644
--- a/kernel/cgroup/cgroup-v1.c
+++ b/kernel/cgroup/cgroup-v1.c
@@ -1335,6 +1335,7 @@ static int __init cgroup_no_v1(char *str)
 				continue;
 
 			cgroup_no_v1_mask |= 1 << i;
+			break;
 		}
 	}
 	return 1;