Index: common/main.c
===================================================================
RCS file: /cvsroot/u-boot/u-boot/common/main.c,v
retrieving revision 1.21
diff -b -p -u -r1.21 main.c
--- common/main.c	9 Jan 2005 23:33:50 -0000	1.21
+++ common/main.c	13 Jun 2005 15:26:26 -0000
@@ -919,6 +919,11 @@ int run_command (const char *cmd, int fl
 		/* Extract arguments */
 		argc = parse_line (finaltoken, argv);
 
+                if (argc == 0) {
+                        rc = -1;
+                        continue;
+                }
+
 		/* Look up command in command table */
 		if ((cmdtp = find_cmd(argv[0])) == NULL) {
 			printf ("Unknown command '%s' - try 'help'\n", argv[0]);