7 files changed, 16 insertions, 14 deletions
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index e374903dacd..662d1e86cfb 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -21,7 +21,6 @@ int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb)
 	return xfrm4_extract_header(skb);
 }
 
-#ifdef CONFIG_NETFILTER
 static inline int xfrm4_rcv_encap_finish(struct sk_buff *skb)
 {
 	if (skb->dst == NULL) {
@@ -36,12 +35,10 @@ drop:
 	kfree_skb(skb);
 	return NET_RX_DROP;
 }
-#endif
 
 int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
 		    int encap_type)
 {
-	XFRM_SPI_SKB_CB(skb)->nhoff = offsetof(struct iphdr, protocol);
 	XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct iphdr, daddr);
 	return xfrm_input(skb, nexthdr, spi, encap_type);
 }
@@ -49,16 +46,20 @@ EXPORT_SYMBOL(xfrm4_rcv_encap);
 
 int xfrm4_transport_finish(struct sk_buff *skb, int async)
 {
+	struct iphdr *iph = ip_hdr(skb);
+
+	iph->protocol = XFRM_MODE_SKB_CB(skb)->protocol;
+
 #ifdef CONFIG_NETFILTER
 	__skb_push(skb, skb->data - skb_network_header(skb));
-	ip_hdr(skb)->tot_len = htons(skb->len);
-	ip_send_check(ip_hdr(skb));
+	iph->tot_len = htons(skb->len);
+	ip_send_check(iph);
 
 	NF_HOOK(PF_INET, NF_IP_PRE_ROUTING, skb, skb->dev, NULL,
 		xfrm4_rcv_encap_finish);
 	return 0;
 #else
-	return -ip_hdr(skb)->protocol;
+	return -iph->protocol;
 #endif
 }
 
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 2fb4efa3ff2..1900200d3c0 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -47,6 +47,8 @@ int xfrm4_extract_output(struct xfrm_state *x, struct sk_buff *skb)
 	if (err)
 		return err;
 
+	XFRM_MODE_SKB_CB(skb)->protocol = ip_hdr(skb)->protocol;
+
 	return xfrm4_extract_header(skb);
 }
 
diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c
index 3b067e8b7bf..d837784a219 100644
--- a/net/ipv4/xfrm4_state.c
+++ b/net/ipv4/xfrm4_state.c
@@ -56,7 +56,6 @@ int xfrm4_extract_header(struct sk_buff *skb)
 	XFRM_MODE_SKB_CB(skb)->frag_off = iph->frag_off;
 	XFRM_MODE_SKB_CB(skb)->tos = iph->tos;
 	XFRM_MODE_SKB_CB(skb)->ttl = iph->ttl;
-	XFRM_MODE_SKB_CB(skb)->protocol = iph->protocol;
 	memset(XFRM_MODE_SKB_CB(skb)->flow_lbl, 0,
 	       sizeof(XFRM_MODE_SKB_CB(skb)->flow_lbl));
 
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index 3b9eedf5b24..5c006c84594 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -23,7 +23,6 @@ int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb)
 
 int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi)
 {
-	XFRM_SPI_SKB_CB(skb)->nhoff = IP6CB(skb)->nhoff;
 	XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr);
 	return xfrm_input(skb, nexthdr, spi, 0);
 }
@@ -31,6 +30,9 @@ EXPORT_SYMBOL(xfrm6_rcv_spi);
 
 int xfrm6_transport_finish(struct sk_buff *skb, int async)
 {
+	skb_network_header(skb)[IP6CB(skb)->nhoff] =
+		XFRM_MODE_SKB_CB(skb)->protocol;
+
 #ifdef CONFIG_NETFILTER
 	ipv6_hdr(skb)->payload_len = htons(skb->len);
 	__skb_push(skb, skb->data - skb_network_header(skb));
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index a0a924991c4..318669a9cb4 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -53,7 +53,8 @@ int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb)
 	if (err)
 		return err;
 
-	IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
+	XFRM_MODE_SKB_CB(skb)->protocol = ipv6_hdr(skb)->nexthdr;
+
 	return xfrm6_extract_header(skb);
 }
 
diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c
index 00360b514e9..df7e98d914f 100644
--- a/net/ipv6/xfrm6_state.c
+++ b/net/ipv6/xfrm6_state.c
@@ -178,8 +178,6 @@ int xfrm6_extract_header(struct sk_buff *skb)
 	XFRM_MODE_SKB_CB(skb)->frag_off = htons(IP_DF);
 	XFRM_MODE_SKB_CB(skb)->tos = ipv6_get_dsfield(iph);
 	XFRM_MODE_SKB_CB(skb)->ttl = iph->hop_limit;
-	XFRM_MODE_SKB_CB(skb)->protocol =
-		skb_network_header(skb)[IP6CB(skb)->nhoff];
 	memcpy(XFRM_MODE_SKB_CB(skb)->flow_lbl, iph->flow_lbl,
 	       sizeof(XFRM_MODE_SKB_CB(skb)->flow_lbl));
 
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 5cad522e8ef..cce9d458604 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -102,7 +102,6 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
 	__be32 seq;
 	struct xfrm_state *x;
 	int decaps = 0;
-	unsigned int nhoff = XFRM_SPI_SKB_CB(skb)->nhoff;
 	unsigned int daddroff = XFRM_SPI_SKB_CB(skb)->daddroff;
 
 	/* Allocate new secpath or COW existing one. */
@@ -157,8 +156,6 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
 			goto drop_unlock;
 		}
 
-		skb_network_header(skb)[nhoff] = nexthdr;
-
 		/* only the first xfrm gets the encap type */
 		encap_type = 0;
 
@@ -170,6 +167,8 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
 
 		spin_unlock(&x->lock);
 
+		XFRM_MODE_SKB_CB(skb)->protocol = nexthdr;
+
 		if (x->inner_mode->input(x, skb))
 			goto drop;