[IPV6]: Add v4mapped address inline

Add v4mapped address inline to avoid calls to ipv6_addr_type().

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 3e06799b37a6..a07b59c528f3 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -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);
         }