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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/ipip.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/ipip.c')
| -rw-r--r-- | net/ipv4/ipip.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index bfc17c5914e7..ef16377ec73f 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -319,7 +319,7 @@ static int ipip_err(struct sk_buff *skb, u32 info) 8 bytes of packet payload. It means, that precise relaying of ICMP in the real Internet is absolutely infeasible. */ - struct iphdr *iph = (struct iphdr *)skb->data; + const struct iphdr *iph = (const struct iphdr *)skb->data; const int type = icmp_hdr(skb)->type; const int code = icmp_hdr(skb)->code; struct ip_tunnel *t; @@ -433,12 +433,12 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) { struct ip_tunnel *tunnel = netdev_priv(dev); struct pcpu_tstats *tstats; - struct iphdr *tiph = &tunnel->parms.iph; + const struct iphdr *tiph = &tunnel->parms.iph; u8 tos = tunnel->parms.iph.tos; __be16 df = tiph->frag_off; struct rtable *rt; /* Route to the other host */ struct net_device *tdev; /* Device to other host */ - struct iphdr *old_iph = ip_hdr(skb); + const struct iphdr *old_iph = ip_hdr(skb); struct iphdr *iph; /* Our new IP header */ unsigned int max_headroom; /* The extra header space needed */ __be32 dst = tiph->daddr; @@ -572,7 +572,7 @@ static void ipip_tunnel_bind_dev(struct net_device *dev) { struct net_device *tdev = NULL; struct ip_tunnel *tunnel; - struct iphdr *iph; + const struct iphdr *iph; tunnel = netdev_priv(dev); iph = &tunnel->parms.iph; |