diff --git a/[refs] b/[refs]
index 29d96274dae8..8a658124c48f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7c1d15d736687057f4dc6e51fbf44b6f6e4320cb
+refs/heads/master: 8cdb045632e5ee22854538619ac6f150eb0a4894
diff --git a/trunk/net/ipv4/ip_gre.c b/trunk/net/ipv4/ip_gre.c
index cb4a0f4bd5e5..82c11dd10a62 100644
--- a/trunk/net/ipv4/ip_gre.c
+++ b/trunk/net/ipv4/ip_gre.c
@@ -951,7 +951,7 @@ static int ipgre_tunnel_bind_dev(struct net_device *dev)
 			addend += 4;
 	}
 	dev->needed_headroom = addend + hlen;
-	mtu -= dev->hard_header_len - addend;
+	mtu -= dev->hard_header_len + addend;
 
 	if (mtu < 68)
 		mtu = 68;