From 8619e94d3be376bb5e8f20988c0e6e3309d2b09a Mon Sep 17 00:00:00 2001 From: ye xingchen Date: Wed, 21 Sep 2022 09:35:17 +0000 Subject: [PATCH] cgroup: use strscpy() is more robust and safer The implementation of strscpy() is more robust and safer. That's now the recommended way to copy NUL terminated strings. Signed-off-by: ye xingchen Signed-off-by: Tejun Heo --- kernel/cgroup/cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index c37b826..151c55d 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -2374,7 +2374,7 @@ int task_cgroup_path(struct task_struct *task, char *buf, size_t buflen) ret = cgroup_path_ns_locked(cgrp, buf, buflen, &init_cgroup_ns); } else { /* if no hierarchy exists, everyone is in "/" */ - ret = strlcpy(buf, "/", buflen); + ret = strscpy(buf, "/", buflen); } spin_unlock_irq(&css_set_lock); -- 2.7.4