diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index be7dd7db65d7684424083b66256703f12d3fb182..681bb077eaccf1ef90fd0f0601c2ad4c7afcac21 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -89,7 +89,6 @@ static int mip6_mh_len(int type)
 int mip6_mh_filter(struct sock *sk, struct sk_buff *skb)
 {
 	struct ip6_mh *mh;
-	int mhlen;
 
 	if (!pskb_may_pull(skb, (skb->h.raw - skb->data) + 8) ||
 	    !pskb_may_pull(skb, (skb->h.raw - skb->data) + ((skb->h.raw[1] + 1) << 3)))
@@ -103,31 +102,6 @@ int mip6_mh_filter(struct sock *sk, struct sk_buff *skb)
 		mip6_param_prob(skb, 0, (&mh->ip6mh_hdrlen) - skb->nh.raw);
 		return -1;
 	}
-	mhlen = (mh->ip6mh_hdrlen + 1) << 3;
-
-	if (skb->ip_summed == CHECKSUM_COMPLETE) {
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
-		if (csum_ipv6_magic(&skb->nh.ipv6h->saddr,
-				    &skb->nh.ipv6h->daddr,
-				    mhlen, IPPROTO_MH,
-				    skb->csum)) {
-			LIMIT_NETDEBUG(KERN_DEBUG "mip6: MH hw checksum failed\n");
-			skb->ip_summed = CHECKSUM_NONE;
-		}
-	}
-	if (skb->ip_summed == CHECKSUM_NONE) {
-		if (csum_ipv6_magic(&skb->nh.ipv6h->saddr,
-				    &skb->nh.ipv6h->daddr,
-				    mhlen, IPPROTO_MH,
-				    skb_checksum(skb, 0, mhlen, 0))) {
-			LIMIT_NETDEBUG(KERN_DEBUG "mip6: MH checksum failed "
-				       "[" NIP6_FMT " > " NIP6_FMT "]\n",
-				       NIP6(skb->nh.ipv6h->saddr),
-				       NIP6(skb->nh.ipv6h->daddr));
-			return -1;
-		}
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
-	}
 
 	if (mh->ip6mh_proto != IPPROTO_NONE) {
 		LIMIT_NETDEBUG(KERN_DEBUG "mip6: MH invalid payload proto = %d\n",
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index f2e883c9368a7bbea22537cb87fde2bf2465323e..c2d8059e754e4814bb9131d7800dcb4791e4c2f2 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1094,10 +1094,19 @@ static void rawv6_close(struct sock *sk, long timeout)
 
 static int rawv6_init_sk(struct sock *sk)
 {
-	if (inet_sk(sk)->num == IPPROTO_ICMPV6) {
-		struct raw6_sock *rp = raw6_sk(sk);
+	struct raw6_sock *rp = raw6_sk(sk);
+
+	switch (inet_sk(sk)->num) {
+	case IPPROTO_ICMPV6:
 		rp->checksum = 1;
 		rp->offset   = 2;
+		break;
+	case IPPROTO_MH:
+		rp->checksum = 1;
+		rp->offset   = 4;
+		break;
+	default:
+		break;
 	}
 	return(0);
 }