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Diffstat (limited to 'net/ipv4/ah4.c')
-rw-r--r--net/ipv4/ah4.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 4286fd3cc0e2..c1f4154552fc 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -73,7 +73,7 @@ static inline struct scatterlist *ah_req_sg(struct crypto_ahash *ahash,
* into IP header for icv calculation. Options are already checked
* for validity, so paranoia is not required. */
-static int ip_clear_mutable_options(struct iphdr *iph, __be32 *daddr)
+static int ip_clear_mutable_options(const struct iphdr *iph, __be32 *daddr)
{
unsigned char * optptr = (unsigned char*)(iph+1);
int l = iph->ihl*4 - sizeof(struct iphdr);
@@ -396,7 +396,7 @@ out:
static void ah4_err(struct sk_buff *skb, u32 info)
{
struct net *net = dev_net(skb->dev);
- struct iphdr *iph = (struct iphdr *)skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
struct ip_auth_hdr *ah = (struct ip_auth_hdr *)(skb->data+(iph->ihl<<2));
struct xfrm_state *x;
@@ -404,7 +404,8 @@ static void ah4_err(struct sk_buff *skb, u32 info)
icmp_hdr(skb)->code != ICMP_FRAG_NEEDED)
return;
- x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET);
+ x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+ ah->spi, IPPROTO_AH, AF_INET);
if (!x)
return;
printk(KERN_DEBUG "pmtu discovery on SA AH/%08x/%08x\n",