diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 9d6470c16a27097802a19a2dfd18cc3c204a8d79..b3053fdd871e810b5676365f8f036cdde431147c 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -82,6 +82,7 @@ struct inet_request_sock {
 #define ireq_net		req.__req_common.skc_net
 #define ireq_state		req.__req_common.skc_state
 #define ireq_refcnt		req.__req_common.skc_refcnt
+#define ireq_family		req.__req_common.skc_family
 
 	kmemcheck_bitfield_begin(flags);
 	u16			snd_wscale : 4,
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index f695874b5ade05a54ccca3897ba04f9c5d58dd3f..8f6f4004daac547375aef7745a515c2bcc430d2d 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -642,6 +642,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 	ireq->ir_loc_addr = ip_hdr(skb)->daddr;
 	ireq->ir_rmt_addr = ip_hdr(skb)->saddr;
 	write_pnet(&ireq->ireq_net, sock_net(sk));
+	ireq->ireq_family = AF_INET;
 
 	/*
 	 * Step 3: Process LISTEN state
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 703a21acf4340481f8544b1150b0d55d44787a7a..5166b0043f95171f3d761274201ec7da0558fa02 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -404,6 +404,7 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 	ireq->ir_v6_rmt_addr = ipv6_hdr(skb)->saddr;
 	ireq->ir_v6_loc_addr = ipv6_hdr(skb)->daddr;
 	write_pnet(&ireq->ireq_net, sock_net(sk));
+	ireq->ireq_family = AF_INET6;
 
 	if (ipv6_opt_accepted(sk, skb, IP6CB(skb)) ||
 	    np->rxopt.bits.rxinfo || np->rxopt.bits.rxoinfo ||
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index c55a6fa3162dcf76d3a38ee7a7f7d68740c992f3..43789c99031f852c6041b2020fb9840628711936 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -728,7 +728,7 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk,
 		return -EMSGSIZE;
 
 	r = nlmsg_data(nlh);
-	r->idiag_family = sk->sk_family;
+	r->idiag_family = ireq->ireq_family;
 	r->idiag_state = TCP_SYN_RECV;
 	r->idiag_timer = 1;
 	r->idiag_retrans = req->num_retrans;
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 18e5a67fda8183d8c4dd560c15936693be167667..0c432730c7b4934584d246d065359dc623b172e7 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -347,6 +347,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb)
 	treq->snt_synack	= tcp_opt.saw_tstamp ? tcp_opt.rcv_tsecr : 0;
 	treq->listener		= NULL;
 	write_pnet(&ireq->ireq_net, sock_net(sk));
+	ireq->ireq_family = AF_INET;
 
 	/* We throwed the options of the initial SYN away, so we hope
 	 * the ACK carries the same options again (see RFC1122 4.2.3.8)
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 70b0f701bbdb68a021f4c24c44d21a7f565ac420..1f514a0c5e60f688b6cc83520781bb476d96ed92 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1228,6 +1228,7 @@ static void tcp_v4_init_req(struct request_sock *req, struct sock *sk,
 	ireq->ir_rmt_addr = ip_hdr(skb)->saddr;
 	ireq->no_srccheck = inet_sk(sk)->transparent;
 	ireq->opt = tcp_v4_save_options(skb);
+	ireq->ireq_family = AF_INET;
 }
 
 static struct dst_entry *tcp_v4_route_req(struct sock *sk, struct flowi *fl,
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 66bba6a84e47f44d34757060f27e46e2e7351be0..58875ce8e1784ec221c922747d087bdb9e7e1a97 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -197,6 +197,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 	treq = tcp_rsk(req);
 	treq->listener = NULL;
 	write_pnet(&ireq->ireq_net, sock_net(sk));
+	ireq->ireq_family = AF_INET6;
 
 	if (security_inet_conn_request(sk, skb, req))
 		goto out_free;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 1ccfede7d55f51e6496e2969dd1109bda5f0f357..c5fc6a5e4adc69c73754900bd1e0e20c6dc70e7c 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -749,6 +749,7 @@ static void tcp_v6_init_req(struct request_sock *req, struct sock *sk,
 		atomic_inc(&skb->users);
 		ireq->pktopts = skb;
 	}
+	ireq->ireq_family = AF_INET6;
 }
 
 static struct dst_entry *tcp_v6_route_req(struct sock *sk, struct flowi *fl,