From: msizanoen1 <msizanoen@qtmlabs.xyz>
Date: Wed, 7 Dec 2022 09:38:05 +0000 (+0700)
Subject: core/slice: skip member units without realized cgroup during freeze or thaw
X-Git-Tag: v253-rc1~330^2~5
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=fcb0878f7563df9701a4d066378995c0b7ec32be;p=thirdparty%2Fsystemd.git

core/slice: skip member units without realized cgroup during freeze or thaw

This ensures that services with `RemainAfterExit` but without any
process running won't cause failure during freeze.
---

diff --git a/src/core/slice.c b/src/core/slice.c
index c453aa033e7..4824a300d07 100644
--- a/src/core/slice.c
+++ b/src/core/slice.c
@@ -381,6 +381,9 @@ static int slice_freezer_action(Unit *s, FreezerAction action) {
         }
 
         UNIT_FOREACH_DEPENDENCY(member, s, UNIT_ATOM_SLICE_OF) {
+                if (!member->cgroup_realized)
+                        continue;
+
                 if (action == FREEZER_FREEZE)
                         r = UNIT_VTABLE(member)->freeze(member);
                 else