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authorDavid S. Miller <davem@davemloft.net>2017-02-16 19:34:01 -0500
committerDavid S. Miller <davem@davemloft.net>2017-02-16 19:34:01 -0500
commit3f64116a838e6c3468f9d5eed7f1f87cf3a2c3eb (patch)
tree388024d2ddbdcb9991ef4b472dfac31e425b807e /net/ipv6/tcp_ipv6.c
parentf3caf8618bce7e86c6f4f86785dd004c71b63a2d (diff)
parent4695daefba8df8a11fa0b0edd595eedae9ea59ae (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r--net/ipv6/tcp_ipv6.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index b5d27212db2f..21c719965b6b 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -149,8 +149,13 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
* connect() to INADDR_ANY means loopback (BSD'ism).
*/
- if (ipv6_addr_any(&usin->sin6_addr))
- usin->sin6_addr.s6_addr[15] = 0x1;
+ if (ipv6_addr_any(&usin->sin6_addr)) {
+ if (ipv6_addr_v4mapped(&sk->sk_v6_rcv_saddr))
+ ipv6_addr_set_v4mapped(htonl(INADDR_LOOPBACK),
+ &usin->sin6_addr);
+ else
+ usin->sin6_addr = in6addr_loopback;
+ }
addr_type = ipv6_addr_type(&usin->sin6_addr);
@@ -189,7 +194,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
* TCP over IPv4
*/
- if (addr_type == IPV6_ADDR_MAPPED) {
+ if (addr_type & IPV6_ADDR_MAPPED) {
u32 exthdrlen = icsk->icsk_ext_hdr_len;
struct sockaddr_in sin;