--- crash-trace-command-2.0/trace.c.orig
+++ crash-trace-command-2.0/trace.c
@@ -1373,7 +1373,7 @@ static void ftrace_dump(int argc, char *
 			if (dump_symbols || dump_meta_data || argc - optind > 1)
 				cmd_usage(pc->curcmd, SYNOPSIS);
 			else {
-				char *trace_dat;
+				char *trace_dat = "trace.dat";
 				int fd;
 
 				if (argc - optind == 0)