Index: trunk/pswarp/src/pswarpLoop.c
===================================================================
--- trunk/pswarp/src/pswarpLoop.c	(revision 25738)
+++ trunk/pswarp/src/pswarpLoop.c	(revision 25847)
@@ -488,5 +488,8 @@
     psString dump_file = psMetadataLookupStr(&status, config->arguments, "DUMP_CONFIG");
     if (dump_file) {
-        pmConfigDump(config, dump_file);
+        if (!pmConfigDump(config, dump_file)) {
+            psError(PS_ERR_IO, false, "Unable to dump configuration");
+            return false;
+        }
     }