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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 2ada17129fc..6ffe94ca5bc 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -124,7 +124,7 @@ static int inet_csk_diag_fill(struct sock *sk,
 
 #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
         if (r->idiag_family == AF_INET6) {
-                struct ipv6_pinfo *np = inet6_sk(sk);
+                const struct ipv6_pinfo *np = inet6_sk(sk);
 
                 ipv6_addr_copy((struct in6_addr *)r->id.idiag_src,
                                &np->rcv_saddr);