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inet: constify ip headers and in6_addr

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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>
This commit is contained in:
Eric Dumazet
2011-04-22 04:53:02 +00:00
committed by David S. Miller
parent 5f8629c526
commit b71d1d426d
64 changed files with 316 additions and 310 deletions
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net/ipv4/ipmr.c
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@ -1549,7 +1549,7 @@ static struct notifier_block ip_mr_notifier = {
static void ip_encap(struct sk_buff *skb, __be32 saddr, __be32 daddr)
{
struct iphdr *iph;
struct iphdr *old_iph = ip_hdr(skb);
const struct iphdr *old_iph = ip_hdr(skb);
skb_push(skb, sizeof(struct iphdr));
skb->transport_header = skb->network_header;