Index: main/cdr.c
===================================================================
--- main/cdr.c	(revision 130978)
+++ main/cdr.c	(working copy)
@@ -781,10 +781,6 @@
 	for (; cdr; cdr = cdr->next) {
 		if (!ast_test_flag(cdr, AST_CDR_FLAG_LOCKED)) {
 			check_post(cdr);
-			if (!app)
-				app = "";
-			if (!data)
-				data = "";
 			ast_copy_string(cdr->lastapp, S_OR(app, ""), sizeof(cdr->lastapp));
 			ast_copy_string(cdr->lastdata, S_OR(data, ""), sizeof(cdr->lastdata));
 		}