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path: root/net/ipv6/ipcomp6.c
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Diffstat (limited to 'net/ipv6/ipcomp6.c')
-rw-r--r--net/ipv6/ipcomp6.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 5724ba9f75de..1ee50b5782e1 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -79,9 +79,9 @@ static int ipcomp6_input(struct xfrm_state *x, struct sk_buff *skb)
skb->ip_summed = CHECKSUM_NONE;
/* Remove ipcomp header and decompress original payload */
- iph = skb->nh.ipv6h;
+ iph = ipv6_hdr(skb);
ipch = (void *)skb->data;
- skb->h.raw = skb->nh.raw + sizeof(*ipch);
+ skb->transport_header = skb->network_header + sizeof(*ipch);
__skb_pull(skb, sizeof(*ipch));
/* decompression */
@@ -111,7 +111,7 @@ static int ipcomp6_input(struct xfrm_state *x, struct sk_buff *skb)
skb->truesize += dlen - plen;
__skb_put(skb, dlen - plen);
- memcpy(skb->data, scratch, dlen);
+ skb_copy_to_linear_data(skb, scratch, dlen);
err = ipch->nexthdr;
out_put_cpu:
@@ -124,15 +124,13 @@ static int ipcomp6_output(struct xfrm_state *x, struct sk_buff *skb)
{
int err;
struct ipv6hdr *top_iph;
- int hdr_len;
struct ipv6_comp_hdr *ipch;
struct ipcomp_data *ipcd = x->data;
int plen, dlen;
u8 *start, *scratch;
struct crypto_comp *tfm;
int cpu;
-
- hdr_len = skb->h.raw - skb->data;
+ int hdr_len = skb_transport_offset(skb);
/* check whether datagram len is larger than threshold */
if ((skb->len - hdr_len) < ipcd->threshold) {
@@ -145,7 +143,7 @@ static int ipcomp6_output(struct xfrm_state *x, struct sk_buff *skb)
/* compression */
plen = skb->len - hdr_len;
dlen = IPCOMP_SCRATCH_SIZE;
- start = skb->h.raw;
+ start = skb_transport_header(skb);
cpu = get_cpu();
scratch = *per_cpu_ptr(ipcomp6_scratches, cpu);
@@ -166,10 +164,10 @@ static int ipcomp6_output(struct xfrm_state *x, struct sk_buff *skb)
top_iph->payload_len = htons(skb->len - sizeof(struct ipv6hdr));
ipch = (struct ipv6_comp_hdr *)start;
- ipch->nexthdr = *skb->nh.raw;
+ ipch->nexthdr = *skb_network_header(skb);
ipch->flags = 0;
ipch->cpi = htons((u16 )ntohl(x->id.spi));
- *skb->nh.raw = IPPROTO_COMP;
+ *skb_network_header(skb) = IPPROTO_COMP;
out_ok:
return 0;