service: wait for process exit only if we actually killed somebody

diff --git a/src/service.c b/src/service.c
index 85dd5d4175536d3f87f96fa917180932b574f3ca..2fec3ea8c9168b7fa290b71e02042ec607878d95 100644 (file)
--- a/src/service.c
+++ b/src/service.c
@@ -1620,7 +1620,7 @@ static void service_enter_signal(Service *s, ServiceState state, bool success) {
                         if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig, pid_set)) < 0) {
                                 if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
                                         log_warning("Failed to kill control group: %s", strerror(-r));
-                        } else
+                        } else if (r > 0)
                                 wait_for_exit = true;
 
                         set_free(pid_set);