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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/ipv6/esp6.c | |
| parent | 5f8629c526b4f7e529a6d27bbd802c0dc7fcc357 (diff) | |
| download | lwn-b71d1d426d263b0b6cb5760322efebbfc89d4463.tar.gz lwn-b71d1d426d263b0b6cb5760322efebbfc89d4463.zip | |
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/ipv6/esp6.c')
| -rw-r--r-- | net/ipv6/esp6.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index 5aa8ec88f194..e97b4b7ca2f2 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -430,7 +430,7 @@ static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, u8 type, u8 code, int offset, __be32 info) { struct net *net = dev_net(skb->dev); - struct ipv6hdr *iph = (struct ipv6hdr*)skb->data; + const struct ipv6hdr *iph = (const struct ipv6hdr *)skb->data; struct ip_esp_hdr *esph = (struct ip_esp_hdr *)(skb->data + offset); struct xfrm_state *x; @@ -438,7 +438,8 @@ static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, type != ICMPV6_PKT_TOOBIG) return; - x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET6); + x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr, + esph->spi, IPPROTO_ESP, AF_INET6); if (!x) return; printk(KERN_DEBUG "pmtu discovery on SA ESP/%08x/%pI6\n", |