1 files changed, 3 insertions, 1 deletions

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index d368cf249000..617e858beff1 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -302,6 +302,7 @@ lookup_protocol:
                 sk->sk_reuse = 1;
 
         inet = inet_sk(sk);
+        inet->is_icsk = INET_PROTOSW_ICSK & answer_flags;
 
         if (SOCK_RAW == sock->type) {
                 inet->num = protocol;
@@ -869,7 +870,8 @@ static struct inet_protosw inetsw_array[] =
                 .ops =        &inet_stream_ops,
                 .capability = -1,
                 .no_check =   0,
-                .flags =      INET_PROTOSW_PERMANENT,
+                .flags =      INET_PROTOSW_PERMANENT |
+                              INET_PROTOSW_ICSK,
         },
 
         {