Commit 8619e94d authored by ye xingchen's avatar ye xingchen Committed by Tejun Heo
Browse files

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: default avatarye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent b74440d8

kernel/cgroup/cgroup.c

+1 −1
Original line number Diff line number Diff line
@@ -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);