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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/xfrm6_tunnel.c | |
| parent | 5f8629c526b4f7e529a6d27bbd802c0dc7fcc357 (diff) | |
| download | linux-b71d1d426d263b0b6cb5760322efebbfc89d4463.tar.gz linux-b71d1d426d263b0b6cb5760322efebbfc89d4463.tar.bz2 linux-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/xfrm6_tunnel.c')
| -rw-r--r-- | net/ipv6/xfrm6_tunnel.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c index 2969cad408de..a6770a04e3bd 100644 --- a/net/ipv6/xfrm6_tunnel.c +++ b/net/ipv6/xfrm6_tunnel.c @@ -68,7 +68,7 @@ static DEFINE_SPINLOCK(xfrm6_tunnel_spi_lock); static struct kmem_cache *xfrm6_tunnel_spi_kmem __read_mostly; -static inline unsigned xfrm6_tunnel_spi_hash_byaddr(xfrm_address_t *addr) +static inline unsigned xfrm6_tunnel_spi_hash_byaddr(const xfrm_address_t *addr) { unsigned h; @@ -85,7 +85,7 @@ static inline unsigned xfrm6_tunnel_spi_hash_byspi(u32 spi) return spi % XFRM6_TUNNEL_SPI_BYSPI_HSIZE; } -static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(struct net *net, xfrm_address_t *saddr) +static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(struct net *net, const xfrm_address_t *saddr) { struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net); struct xfrm6_tunnel_spi *x6spi; @@ -101,7 +101,7 @@ static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(struct net *net, xfrm_ return NULL; } -__be32 xfrm6_tunnel_spi_lookup(struct net *net, xfrm_address_t *saddr) +__be32 xfrm6_tunnel_spi_lookup(struct net *net, const xfrm_address_t *saddr) { struct xfrm6_tunnel_spi *x6spi; u32 spi; @@ -237,10 +237,10 @@ static int xfrm6_tunnel_input(struct xfrm_state *x, struct sk_buff *skb) static int xfrm6_tunnel_rcv(struct sk_buff *skb) { struct net *net = dev_net(skb->dev); - struct ipv6hdr *iph = ipv6_hdr(skb); + const struct ipv6hdr *iph = ipv6_hdr(skb); __be32 spi; - spi = xfrm6_tunnel_spi_lookup(net, (xfrm_address_t *)&iph->saddr); + spi = xfrm6_tunnel_spi_lookup(net, (const xfrm_address_t *)&iph->saddr); return xfrm6_rcv_spi(skb, IPPROTO_IPV6, spi) > 0 ? : 0; } |