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

Fixes: #4431
(cherry picked from commit 84a4e6608dbda38c724ab196a226db209a50b224)

diff --git a/src/login/logind.c b/src/login/logind.c
index e0f391f4165b01a021de97b7db8972c82f62ccde..046caf7be0e4a21863b025338df8b557274d7c56 100644 (file)
--- a/src/login/logind.c
+++ b/src/login/logind.c
@@ -150,7 +150,8 @@ static void manager_free(Manager *m) {
         Inhibitor *i;
         Button *b;
 
-        assert(m);
+        if (!m)
+                return;
 
         while ((session = hashmap_first(m->sessions)))
                 session_free(session);