Commit 54a5d382 authored Mar 28, 2013 by Pravin B Shelar Committed by David S. Miller Mar 29, 2013

ip_tunnel: Fix off-by-one error in forming dev name.



As Ben pointed out following patch fixes bug in checking device
name length limits while forming tunnel device name.

CC: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 27815032

net/ipv4/ip_tunnel.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -284,7 +284,7 @@ static struct net_device __ip_tunnel_create(struct net net,
		if (parms->name[0])
		strlcpy(name, parms->name, IFNAMSIZ);
		else {
		if (strlen(ops->kind) + 3 >= IFNAMSIZ) {
		if (strlen(ops->kind) > (IFNAMSIZ - 3)) {
		err = -E2BIG;
		goto failed;
		}