logind: don't hit assert when we try to free NULL manager object

Fixes: #4431

diff --git a/src/login/logind.c b/src/login/logind.c
index a9a06f5e28ba0a4cd987157b9e1ff1fe282d70cb..a9841a3832e69ef011fb27ea844f6182ac418847 100644 (file)
--- a/src/login/logind.c
+++ b/src/login/logind.c
@@ -126,7 +126,8 @@ static void manager_free(Manager *m) {
         Inhibitor *i;
         Button *b;
 
-        assert(m);
+        if (!m)
+                return;
 
         while ((session = hashmap_first(m->sessions)))
                 session_free(session);