[IPV6]: Consolidate the ip6_pol_route_(input|output) pair

[firefly-linux-kernel-4.4.55.git] / net / ipv6 / tcp_ipv6.c

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 0f7defb482e9bf18411eef3d1911d922b6dbda1d..737b755342bd8ca5b892fdac71346600e3462296 100644 (file)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -539,7 +539,7 @@ static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
 
        for (i = 0; i < tp->md5sig_info->entries6; i++) {
                if (ipv6_addr_cmp(&tp->md5sig_info->keys6[i].addr, addr) == 0)
-                       return (struct tcp_md5sig_key *)&tp->md5sig_info->keys6[i];
+                       return &tp->md5sig_info->keys6[i].base;
        }
        return NULL;
 }
@@ -567,9 +567,9 @@ static int tcp_v6_md5_do_add(struct sock *sk, struct in6_addr *peer,
        key = (struct tcp6_md5sig_key*) tcp_v6_md5_do_lookup(sk, peer);
        if (key) {
                /* modify existing entry - just update that one */
-               kfree(key->key);
-               key->key = newkey;
-               key->keylen = newkeylen;
+               kfree(key->base.key);
+               key->base.key = newkey;
+               key->base.keylen = newkeylen;
        } else {
                /* reallocate new list if current one is full. */
                if (!tp->md5sig_info) {
@@ -603,8 +603,8 @@ static int tcp_v6_md5_do_add(struct sock *sk, struct in6_addr *peer,
 
                ipv6_addr_copy(&tp->md5sig_info->keys6[tp->md5sig_info->entries6].addr,
                               peer);
-               tp->md5sig_info->keys6[tp->md5sig_info->entries6].key = newkey;
-               tp->md5sig_info->keys6[tp->md5sig_info->entries6].keylen = newkeylen;
+               tp->md5sig_info->keys6[tp->md5sig_info->entries6].base.key = newkey;
+               tp->md5sig_info->keys6[tp->md5sig_info->entries6].base.keylen = newkeylen;
 
                tp->md5sig_info->entries6++;
        }
@@ -626,7 +626,7 @@ static int tcp_v6_md5_do_del(struct sock *sk, struct in6_addr *peer)
        for (i = 0; i < tp->md5sig_info->entries6; i++) {
                if (ipv6_addr_cmp(&tp->md5sig_info->keys6[i].addr, peer) == 0) {
                        /* Free the key */
-                       kfree(tp->md5sig_info->keys6[i].key);
+                       kfree(tp->md5sig_info->keys6[i].base.key);
                        tp->md5sig_info->entries6--;
 
                        if (tp->md5sig_info->entries6 == 0) {
@@ -657,7 +657,7 @@ static void tcp_v6_clear_md5_list (struct sock *sk)
 
        if (tp->md5sig_info->entries6) {
                for (i = 0; i < tp->md5sig_info->entries6; i++)
-                       kfree(tp->md5sig_info->keys6[i].key);
+                       kfree(tp->md5sig_info->keys6[i].base.key);
                tp->md5sig_info->entries6 = 0;
                tcp_free_md5sig_pool();
        }
@@ -668,7 +668,7 @@ static void tcp_v6_clear_md5_list (struct sock *sk)
 
        if (tp->md5sig_info->entries4) {
                for (i = 0; i < tp->md5sig_info->entries4; i++)
-                       kfree(tp->md5sig_info->keys4[i].key);
+                       kfree(tp->md5sig_info->keys4[i].base.key);
                tp->md5sig_info->entries4 = 0;
                tcp_free_md5sig_pool();
        }
@@ -697,7 +697,7 @@ static int tcp_v6_parse_md5_keys (struct sock *sk, char __user *optval,
        if (!cmd.tcpm_keylen) {
                if (!tcp_sk(sk)->md5sig_info)
                        return -ENOENT;
-               if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_MAPPED)
+               if (ipv6_addr_v4mapped(&sin6->sin6_addr))
                        return tcp_v4_md5_do_del(sk, sin6->sin6_addr.s6_addr32[3]);
                return tcp_v6_md5_do_del(sk, &sin6->sin6_addr);
        }
@@ -720,7 +720,7 @@ static int tcp_v6_parse_md5_keys (struct sock *sk, char __user *optval,
        newkey = kmemdup(cmd.tcpm_key, cmd.tcpm_keylen, GFP_KERNEL);
        if (!newkey)
                return -ENOMEM;
-       if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_MAPPED) {
+       if (ipv6_addr_v4mapped(&sin6->sin6_addr)) {
                return tcp_v4_md5_do_add(sk, sin6->sin6_addr.s6_addr32[3],
                                         newkey, cmd.tcpm_keylen);
        }
@@ -1668,9 +1668,8 @@ ipv6_pktoptions:
        return 0;
 }
 
-static int tcp_v6_rcv(struct sk_buff **pskb)
+static int tcp_v6_rcv(struct sk_buff *skb)
 {
-       struct sk_buff *skb = *pskb;
        struct tcphdr *th;
        struct sock *sk;
        int ret;