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>
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index c614d02..4cfbb24 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -869,9 +869,9 @@
return err;
}
-static inline int ip6_rt_check(struct rt6key *rt_key,
- struct in6_addr *fl_addr,
- struct in6_addr *addr_cache)
+static inline int ip6_rt_check(const struct rt6key *rt_key,
+ const struct in6_addr *fl_addr,
+ const struct in6_addr *addr_cache)
{
return (rt_key->plen != 128 || !ipv6_addr_equal(fl_addr, &rt_key->addr)) &&
(addr_cache == NULL || !ipv6_addr_equal(fl_addr, addr_cache));
@@ -879,7 +879,7 @@
static struct dst_entry *ip6_sk_dst_check(struct sock *sk,
struct dst_entry *dst,
- struct flowi6 *fl6)
+ const struct flowi6 *fl6)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct rt6_info *rt = (struct rt6_info *)dst;