Return after warning with NULL callback

Fixes polkit-org#478
bluca · Sep 30, 2024 · 3f79f3e · 3f79f3e
1 parent 89ec897
commit 3f79f3e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/polkitbackend/polkitbackendsessionmonitor-systemd.c b/src/polkitbackend/polkitbackendsessionmonitor-systemd.c
@@ -73,6 +73,9 @@ sd_source_dispatch (GSource     *source,
 
   g_warn_if_fail (callback != NULL);
 
+  if (callback == NULL)
+    return G_SOURCE_CONTINUE;
+
   ret = (*callback) (user_data);
 
   sd_login_monitor_flush (sd_source->monitor);