From ed013acf90bedb6c17cd74243dcd8ac39bcfacaf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Axel=20D=C3=B6rfler?= <axeld@pinc-software.de>
Date: Sat, 14 Oct 2006 19:54:28 +0000
Subject: [PATCH] Fixed a possible crashing bug when used in the wrong way.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19067 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/bin/network/route/route.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/bin/network/route/route.cpp b/src/bin/network/route/route.cpp
index 68adfebf61..e9d973a96c 100644
--- a/src/bin/network/route/route.cpp
+++ b/src/bin/network/route/route.cpp
@@ -446,6 +446,12 @@ main(int argc, char** argv)
 			add_route(socket, interface, route);
 			break;
 		case RTM_DELETE:
+			if (interface == NULL) {
+				fprintf(stderr, "%s: You need to specify an interface when removing a route.\n",
+					kProgramName);
+				usage(1);
+			}
+
 			delete_route(socket, interface, route);
 			break;