Index: route.c
===================================================================
--- route.c	(revision 244082)
+++ route.c	(working copy)
@@ -271,8 +271,7 @@
 		case 0:
 		case 1:
 			fib[i] = strtol(token, &endptr, 0);
-			if (*endptr != '\0' || (fib[i] == 0 &&
-			    (errno == EINVAL || errno == ERANGE)))
+			if (*endptr != '\0')
 				error = 1;
 			break;
 		default:
@@ -336,8 +335,7 @@
 				goto fiboptlist_csv_ret;
 		} else {
 			fib = strtol(token, &endptr, 0);
-			if (*endptr != '\0' || (fib == 0 &&
-			    (errno == EINVAL || errno == ERANGE))) {
+			if (*endptr != '\0') {
 				error = 1;
 				goto fiboptlist_csv_ret;
 			}