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Diffstat (limited to 'net/ipv4/ipcomp.c')
-rw-r--r--net/ipv4/ipcomp.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index 1929d451dab..bf74f64fe5f 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -98,10 +98,10 @@ out:
static int ipcomp_compress(struct xfrm_state *x, struct sk_buff *skb)
{
struct ipcomp_data *ipcd = x->data;
- const int ihlen = ip_hdrlen(skb);
+ const int ihlen = skb_transport_offset(skb);
const int plen = skb->len - ihlen;
int dlen = IPCOMP_SCRATCH_SIZE;
- u8 *start = skb->data + ihlen;
+ u8 *start = skb_transport_header(skb);
const int cpu = get_cpu();
u8 *scratch = *per_cpu_ptr(ipcomp_scratches, cpu);
struct crypto_comp *tfm = *per_cpu_ptr(ipcd->tfms, cpu);
@@ -154,11 +154,11 @@ static int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb)
/* Install ipcomp header, convert into ipcomp datagram. */
iph->tot_len = htons(skb->len);
- ipch = (struct ip_comp_hdr *)((char *)iph + iph->ihl * 4);
- ipch->nexthdr = iph->protocol;
+ ipch = (struct ip_comp_hdr *)skb_transport_header(skb);
+ ipch->nexthdr = *skb_mac_header(skb);
ipch->flags = 0;
ipch->cpi = htons((u16 )ntohl(x->id.spi));
- iph->protocol = IPPROTO_COMP;
+ *skb_mac_header(skb) = IPPROTO_COMP;
ip_send_check(iph);
return 0;