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Diffstat (limited to 'net/ipv6/ipcomp6.c')
-rw-r--r--net/ipv6/ipcomp6.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 87e6407..8f3f32f 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -65,7 +65,7 @@ static LIST_HEAD(ipcomp6_tfms_list);
static int ipcomp6_input(struct xfrm_state *x, struct sk_buff *skb)
{
int err = -ENOMEM;
- struct ipv6_comp_hdr *ipch;
+ struct ip_comp_hdr *ipch;
int plen, dlen;
struct ipcomp_data *ipcd = x->data;
u8 *start, *scratch;
@@ -92,12 +92,10 @@ static int ipcomp6_input(struct xfrm_state *x, struct sk_buff *skb)
tfm = *per_cpu_ptr(ipcd->tfms, cpu);
err = crypto_comp_decompress(tfm, start, plen, scratch, &dlen);
- if (err) {
- err = -EINVAL;
+ if (err)
goto out_put_cpu;
- }
- if (dlen < (plen + sizeof(struct ipv6_comp_hdr))) {
+ if (dlen < (plen + sizeof(*ipch))) {
err = -EINVAL;
goto out_put_cpu;
}
@@ -122,7 +120,7 @@ static int ipcomp6_output(struct xfrm_state *x, struct sk_buff *skb)
{
int err;
struct ipv6hdr *top_iph;
- struct ipv6_comp_hdr *ipch;
+ struct ip_comp_hdr *ipch;
struct ipcomp_data *ipcd = x->data;
int plen, dlen;
u8 *start, *scratch;
@@ -151,7 +149,7 @@ static int ipcomp6_output(struct xfrm_state *x, struct sk_buff *skb)
tfm = *per_cpu_ptr(ipcd->tfms, cpu);
err = crypto_comp_compress(tfm, start, plen, scratch, &dlen);
- if (err || (dlen + sizeof(struct ipv6_comp_hdr)) >= plen) {
+ if (err || (dlen + sizeof(*ipch)) >= plen) {
put_cpu();
goto out_ok;
}
@@ -164,7 +162,7 @@ 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 = ip_comp_hdr(skb);
ipch->nexthdr = *skb_mac_header(skb);
ipch->flags = 0;
ipch->cpi = htons((u16 )ntohl(x->id.spi));
@@ -179,7 +177,8 @@ static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
{
__be32 spi;
struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;
- struct ipv6_comp_hdr *ipcomph = (struct ipv6_comp_hdr*)(skb->data+offset);
+ struct ip_comp_hdr *ipcomph =
+ (struct ip_comp_hdr *)(skb->data + offset);
struct xfrm_state *x;
if (type != ICMPV6_DEST_UNREACH && type != ICMPV6_PKT_TOOBIG)
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