[XFRM]: Allow packet drops during larval state resolution.

[mirror_ubuntu-artful-kernel.git] / net / ipv6 / tcp_ipv6.c

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index e2f25ea43b6871edab1f9324afc994ef3c2ba216..4f06a51ad4fd73ebd6406a1cadb4b1840e6db8ca 100644 (file)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -265,8 +265,12 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
        if (final_p)
                ipv6_addr_copy(&fl.fl6_dst, final_p);
 
-       if ((err = xfrm_lookup(&dst, &fl, sk, 1)) < 0)
-               goto failure;
+       if ((err = __xfrm_lookup(&dst, &fl, sk, 1)) < 0) {
+               if (err == -EREMOTE)
+                       err = ip6_dst_blackhole(sk, &dst, &fl);
+               if (err < 0)
+                       goto failure;
+       }
 
        if (saddr == NULL) {
                saddr = &fl.fl6_src;