tcp: report ECN_SEEN in tcp_info

[~andy/linux] / net / ipv4 / af_inet.c

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 1b745d412cf6eb8c0b2d424ab5e5c8cbbc439248..dd2b9478ddd1537e0a3cf812e755cfd5cda68e33 100644 (file)
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -466,8 +466,13 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
                goto out;
 
        if (addr->sin_family != AF_INET) {
+               /* Compatibility games : accept AF_UNSPEC (mapped to AF_INET)
+                * only if s_addr is INADDR_ANY.
+                */
                err = -EAFNOSUPPORT;
-               goto out;
+               if (addr->sin_family != AF_UNSPEC ||
+                   addr->sin_addr.s_addr != htonl(INADDR_ANY))
+                       goto out;
        }
 
        chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);