ipv4: raw: constify raw_v4_match() socket argument

This clarifies raw_v4_match() intent.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/raw.h b/include/net/raw.h
index 2c004c2..7ad1583 100644 (file)
--- a/include/net/raw.h
+++ b/include/net/raw.h
@@ -22,7 +22,7 @@
 extern struct proto raw_prot;
 
 extern struct raw_hashinfo raw_v4_hashinfo;
-bool raw_v4_match(struct net *net, struct sock *sk, unsigned short num,
+bool raw_v4_match(struct net *net, const struct sock *sk, unsigned short num,
                  __be32 raddr, __be32 laddr, int dif, int sdif);
 
 int raw_abort(struct sock *sk, int err);

diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 94df935..3cf6869 100644 (file)
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -116,10 +116,10 @@ void raw_unhash_sk(struct sock *sk)
 }
 EXPORT_SYMBOL_GPL(raw_unhash_sk);
 
-bool raw_v4_match(struct net *net, struct sock *sk, unsigned short num,
+bool raw_v4_match(struct net *net, const struct sock *sk, unsigned short num,
                  __be32 raddr, __be32 laddr, int dif, int sdif)
 {
-       struct inet_sock *inet = inet_sk(sk);
+       const struct inet_sock *inet = inet_sk(sk);
 
        if (net_eq(sock_net(sk), net) && inet->inet_num == num  &&
            !(inet->inet_daddr && inet->inet_daddr != raddr)    &&