diff --git a/[refs] b/[refs]
index bbc1e2fd9d6a..76e7e4d60e34 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7c13a0d9a1ac6875f6380763b947f4a5a016605f
+refs/heads/master: 1f18b7176e2e41fada24584ce3c80e9abfaca52b
diff --git a/trunk/net/packet/af_packet.c b/trunk/net/packet/af_packet.c
index 0856a13cb53d..8298e676f5a0 100644
--- a/trunk/net/packet/af_packet.c
+++ b/trunk/net/packet/af_packet.c
@@ -1610,9 +1610,11 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
 
 		err = -EINVAL;
 		vnet_hdr_len = sizeof(vnet_hdr);
-		if ((len -= vnet_hdr_len) < 0)
+		if (len < vnet_hdr_len)
 			goto out_free;
 
+		len -= vnet_hdr_len;
+
 		if (skb_is_gso(skb)) {
 			struct skb_shared_info *sinfo = skb_shinfo(skb);