diff --git a/[refs] b/[refs]
index 19a702db53f3..43599f82ad56 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 55afabaa0df0dd139c8796a71beb43d1216fbe43
+refs/heads/master: de74e92aa8a44d0b80a53601dc4f6dd6afcb8453
diff --git a/trunk/net/packet/af_packet.c b/trunk/net/packet/af_packet.c
index 71ac6559e0c6..8a10d5b3c832 100644
--- a/trunk/net/packet/af_packet.c
+++ b/trunk/net/packet/af_packet.c
@@ -1475,7 +1475,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
 	 *	Find the device first to size check it
 	 */
 
-	saddr->spkt_device[13] = 0;
+	saddr->spkt_device[sizeof(saddr->spkt_device) - 1] = 0;
 retry:
 	rcu_read_lock();
 	dev = dev_get_by_name_rcu(sock_net(sk), saddr->spkt_device);