From: Stephen Hemminger <stephen@networkplumber.org>
Date: Fri, 20 Dec 2013 16:25:13 +0000 (-0800)
Subject: veth: fix uninitialized arguments
X-Git-Tag: v3.14.0~43
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be2c3142f9a76ae1f036fc4316ff425f6455ce3a;p=thirdparty%2Fiproute2.git

veth: fix uninitialized arguments

Based on patch by Sergey Popovich <popovich_sergei@mail.ru>
This fixes crash when ip-link(8) invoced with command:

  ip link add dev veth1a type veth peer
---

diff --git a/ip/link_veth.c b/ip/link_veth.c
index 7730f3941..f357182f0 100644
--- a/ip/link_veth.c
+++ b/ip/link_veth.c
@@ -26,7 +26,10 @@ static void usage(void)
 static int veth_parse_opt(struct link_util *lu, int argc, char **argv,
 			  struct nlmsghdr *hdr)
 {
-	char *name, *type, *link, *dev;
+	char *dev = NULL;
+	char *name = NULL;
+	char *link = NULL;
+	char *type = NULL;
 	int err, len;
 	struct rtattr * data;
 	int group;