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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-04-22 04:53:02 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-04-22 11:04:14 -0700 |
| commit | b71d1d426d263b0b6cb5760322efebbfc89d4463 (patch) | |
| tree | 226ca7390bd6187ec9139d2ccedd26fd94d8e57a /net/ipv4/esp4.c | |
| parent | 5f8629c526b4f7e529a6d27bbd802c0dc7fcc357 (diff) | |
| download | linux-b71d1d426d263b0b6cb5760322efebbfc89d4463.tar.bz2 | |
inet: constify ip headers and in6_addr
Add const qualifiers to structs iphdr, ipv6hdr and in6_addr pointers
where possible, to make code intention more obvious.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/esp4.c')
| -rw-r--r-- | net/ipv4/esp4.c | 7 |
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", |