core/unit: cast unused retval to void

diff --git a/src/core/unit.c b/src/core/unit.c
index 5a0964ca7d18f5b9cc2d4e15cf62ab1648621086..5084aad942916a5a35b0f4395102e53f68b73f60 100644 (file)
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -2218,16 +2218,16 @@ static void retroactively_start_dependencies(Unit *u) {
         UNIT_FOREACH_DEPENDENCY(other, u, UNIT_ATOM_RETROACTIVE_START_REPLACE) /* Requires= + BindsTo= */
                 if (!unit_has_dependency(u, UNIT_ATOM_AFTER, other) &&
                     !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
-                        manager_add_job(u->manager, JOB_START, other, JOB_REPLACE, NULL, NULL, NULL);
+                        (void) manager_add_job(u->manager, JOB_START, other, JOB_REPLACE, NULL, NULL, NULL);
 
         UNIT_FOREACH_DEPENDENCY(other, u, UNIT_ATOM_RETROACTIVE_START_FAIL) /* Wants= */
                 if (!unit_has_dependency(u, UNIT_ATOM_AFTER, other) &&
                     !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(other)))
-                        manager_add_job(u->manager, JOB_START, other, JOB_FAIL, NULL, NULL, NULL);
+                        (void) manager_add_job(u->manager, JOB_START, other, JOB_FAIL, NULL, NULL, NULL);
 
         UNIT_FOREACH_DEPENDENCY(other, u, UNIT_ATOM_RETROACTIVE_STOP_ON_START) /* Conflicts= (and inverse) */
                 if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
-                        manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL, NULL, NULL);
+                        (void) manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL, NULL, NULL);
 }
 
 static void retroactively_stop_dependencies(Unit *u) {
@@ -2239,7 +2239,7 @@ static void retroactively_stop_dependencies(Unit *u) {
         /* Pull down units which are bound to us recursively if enabled */
         UNIT_FOREACH_DEPENDENCY(other, u, UNIT_ATOM_RETROACTIVE_STOP_ON_STOP) /* BoundBy= */
                 if (!UNIT_IS_INACTIVE_OR_DEACTIVATING(unit_active_state(other)))
-                        manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL, NULL, NULL);
+                        (void) manager_add_job(u->manager, JOB_STOP, other, JOB_REPLACE, NULL, NULL, NULL);
 }
 
 void unit_start_on_failure(
@@ -2928,7 +2928,7 @@ static int on_rewatch_pids_event(sd_event_source *s, void *userdata) {
         assert(s);
 
         unit_tidy_watch_pids(u);
-        unit_watch_all_pids(u);
+        (void) unit_watch_all_pids(u);
 
         /* If the PID set is empty now, then let's finish this off. */
         unit_synthesize_cgroup_empty_event(u);