commit 4d52d269e3022a693155fd1b443990f5956057d7
Author: Andrew Beekhof <andrew@beekhof.net>
Date:   Fri Feb 28 14:11:15 2014 +1100

    Fix: systemd: Prevent use-of-NULL when determining if an agent exists
    
    (cherry picked from commit 0597697bf408690a5b52e1dfb128888ef974bfe7)

diff --git a/lib/services/systemd.c b/lib/services/systemd.c
index 374a03e..a28ae14 100644
--- a/lib/services/systemd.c
+++ b/lib/services/systemd.c
@@ -142,7 +142,7 @@ systemd_unit_by_name(const gchar * arg_name, gchar ** out_unit)
 
     name = systemd_service_name(arg_name);
 
-    while(*out_unit == NULL) {
+    while(TRUE) {
         msg = systemd_new_method(BUS_NAME".Manager", method);
         CRM_ASSERT(msg != NULL);