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authorEric Dumazet <eric.dumazet@gmail.com>2011-04-22 04:53:02 +0000
committerDavid S. Miller <davem@davemloft.net>2011-04-22 11:04:14 -0700
commitb71d1d426d263b0b6cb5760322efebbfc89d4463 (patch)
tree226ca7390bd6187ec9139d2ccedd26fd94d8e57a /net/dccp
parent5f8629c526b4f7e529a6d27bbd802c0dc7fcc357 (diff)
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/dccp')
-rw-r--r--net/dccp/ipv6.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index de1b7e37ad5b..73add2373247 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -54,8 +54,8 @@ static void dccp_v6_hash(struct sock *sk)
/* add pseudo-header to DCCP checksum stored in skb->csum */
static inline __sum16 dccp_v6_csum_finish(struct sk_buff *skb,
- struct in6_addr *saddr,
- struct in6_addr *daddr)
+ const struct in6_addr *saddr,
+ const struct in6_addr *daddr)
{
return csum_ipv6_magic(saddr, daddr, skb->len, IPPROTO_DCCP, skb->csum);
}
@@ -87,7 +87,7 @@ static inline __u32 dccp_v6_init_sequence(struct sk_buff *skb)
static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
u8 type, u8 code, int offset, __be32 info)
{
- struct ipv6hdr *hdr = (struct ipv6hdr *)skb->data;
+ const struct ipv6hdr *hdr = (const struct ipv6hdr *)skb->data;
const struct dccp_hdr *dh = (struct dccp_hdr *)(skb->data + offset);
struct dccp_sock *dp;
struct ipv6_pinfo *np;
@@ -296,7 +296,7 @@ static void dccp_v6_reqsk_destructor(struct request_sock *req)
static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
{
- struct ipv6hdr *rxip6h;
+ const struct ipv6hdr *rxip6h;
struct sk_buff *skb;
struct flowi6 fl6;
struct net *net = dev_net(skb_dst(rxskb)->dev);

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