From 533a8c70b3b757d2ca06de7392805ab5d1698a53 Mon Sep 17 00:00:00 2001
From: William Hubbs <w.d.hubbs@gmail.com>
Date: Sun, 4 Apr 2021 17:30:03 -0500
Subject: [PATCH] cgroup2_set_limits: fix harmless error message

In legacy cgroups mode, we were running `mountinfo -q ""` which was
generating an error message. If we return immediately when
cgroup2_find_path returns an empty value, we avoid this message.
---
 sh/rc-cgroup.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sh/rc-cgroup.sh b/sh/rc-cgroup.sh
index fafc3b37..392c8b3d 100644
--- a/sh/rc-cgroup.sh
+++ b/sh/rc-cgroup.sh
@@ -189,6 +189,7 @@ cgroup2_set_limits()
 {
 	local cgroup_path
 	cgroup_path="$(cgroup2_find_path)"
+	[ -z "${cgroup_path}" ] && return 0
 	mountinfo -q "${cgroup_path}"|| return 0
 	rc_cgroup_path="${cgroup_path}/${RC_SVCNAME}"
 	[ ! -d "${rc_cgroup_path}" ] && mkdir "${rc_cgroup_path}"