5 files changed, 9 insertions, 6 deletions
diff --git a/net/dccp/feat.h b/net/dccp/feat.h
index 6048373c7186..b44c45504fb6 100644
--- a/net/dccp/feat.h
+++ b/net/dccp/feat.h
@@ -26,4 +26,6 @@ extern void dccp_feat_clean(struct dccp_minisock *dmsk);
 extern int  dccp_feat_clone(struct sock *oldsk, struct sock *newsk);
 extern int  dccp_feat_init(struct dccp_minisock *dmsk);
 
+extern int  dccp_feat_default_sequence_window;
+
 #endif /* _DCCP_FEAT_H */
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index c3073e7e81d3..7f56f7e8f571 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -504,8 +504,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 	ireq = inet_rsk(req);
 	ireq->loc_addr = daddr;
 	ireq->rmt_addr = saddr;
-	req->rcv_wnd	= 100; /* Fake, option parsing will get the
-				  right value */
+	req->rcv_wnd	= dccp_feat_default_sequence_window;
 	ireq->opt	= NULL;
 
 	/* 
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index ff42bc43263d..9f3d4d7cd0bf 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -31,6 +31,7 @@
 
 #include "dccp.h"
 #include "ipv6.h"
+#include "feat.h"
 
 /* Socket used for sending RSTs and ACKs */
 static struct socket *dccp_v6_ctl_socket;
@@ -707,8 +708,7 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 	ireq = inet_rsk(req);
 	ipv6_addr_copy(&ireq6->rmt_addr, &skb->nh.ipv6h->saddr);
 	ipv6_addr_copy(&ireq6->loc_addr, &skb->nh.ipv6h->daddr);
-	req->rcv_wnd	= 100; /* Fake, option parsing will get the
-				  right value */
+	req->rcv_wnd	= dccp_feat_default_sequence_window;
 	ireq6->pktopts	= NULL;
 
 	if (ipv6_opt_accepted(sk, skb) ||
diff --git a/net/dccp/options.c b/net/dccp/options.c
index c3cda1e39aa8..daf72bb671f0 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -29,6 +29,8 @@ int dccp_feat_default_ack_ratio	      = DCCPF_INITIAL_ACK_RATIO;
 int dccp_feat_default_send_ack_vector = DCCPF_INITIAL_SEND_ACK_VECTOR;
 int dccp_feat_default_send_ndp_count  = DCCPF_INITIAL_SEND_NDP_COUNT;
 
+EXPORT_SYMBOL_GPL(dccp_feat_default_sequence_window);
+
 void dccp_minisock_init(struct dccp_minisock *dmsk)
 {
 	dmsk->dccpms_sequence_window = dccp_feat_default_sequence_window;
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index f4f0627ea41c..6f14bb5a28d4 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -484,7 +484,7 @@ static int do_dccp_setsockopt(struct sock *sk, int level, int optname,
 			err = -EINVAL;
 		else
 			err = dccp_setsockopt_change(sk, DCCPO_CHANGE_L,
-					             (struct dccp_so_feat *)
+					             (struct dccp_so_feat __user *)
 						     optval);
 		break;
 
@@ -493,7 +493,7 @@ static int do_dccp_setsockopt(struct sock *sk, int level, int optname,
 			err = -EINVAL;
 		else
 			err = dccp_setsockopt_change(sk, DCCPO_CHANGE_R,
-						     (struct dccp_so_feat *)
+						     (struct dccp_so_feat __user *)
 						     optval);
 		break;