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Diffstat (limited to 'net/ipv4/esp4.c')
-rw-r--r--net/ipv4/esp4.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 03f994bcf7de..a5b413416da3 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -276,7 +276,7 @@ error:
static int esp_input_done2(struct sk_buff *skb, int err)
{
- struct iphdr *iph;
+ const struct iphdr *iph;
struct xfrm_state *x = xfrm_input_state(skb);
struct esp_data *esp = x->data;
struct crypto_aead *aead = esp->aead;
@@ -484,7 +484,7 @@ static u32 esp4_get_mtu(struct xfrm_state *x, int mtu)
static void esp4_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_esp_hdr *esph = (struct ip_esp_hdr *)(skb->data+(iph->ihl<<2));
struct xfrm_state *x;
@@ -492,7 +492,8 @@ static void esp4_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, esph->spi, IPPROTO_ESP, AF_INET);
+ x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+ esph->spi, IPPROTO_ESP, AF_INET);
if (!x)
return;
NETDEBUG(KERN_DEBUG "pmtu discovery on SA ESP/%08x/%08x\n",