1 files changed, 6 insertions, 40 deletions

diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index db225f93cd5a..0941f8fe1675 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -61,6 +61,9 @@ void dccp_set_state(struct sock *sk, const int state)
 	case DCCP_OPEN:
 		if (oldstate != DCCP_OPEN)
 			DCCP_INC_STATS(DCCP_MIB_CURRESTAB);
+		/* Client retransmits all Confirm options until entering OPEN */
+		if (oldstate == DCCP_PARTOPEN)
+			dccp_feat_list_purge(&dccp_sk(sk)->dccps_featneg);
 		break;
 
 	case DCCP_CLOSED:
@@ -169,7 +172,6 @@ EXPORT_SYMBOL_GPL(dccp_state_name);
 int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized)
 {
 	struct dccp_sock *dp = dccp_sk(sk);
-	struct dccp_minisock *dmsk = dccp_msk(sk);
 	struct inet_connection_sock *icsk = inet_csk(sk);
 
 	dccp_minisock_init(&dp->dccps_minisock);
@@ -188,45 +190,9 @@ int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized)
 	dccp_init_xmit_timers(sk);
 
 	INIT_LIST_HEAD(&dp->dccps_featneg);
-	/*
-	 * FIXME: We're hardcoding the CCID, and doing this at this point makes
-	 * the listening (master) sock get CCID control blocks, which is not
-	 * necessary, but for now, to not mess with the test userspace apps,
-	 * lets leave it here, later the real solution is to do this in a
-	 * setsockopt(CCIDs-I-want/accept). -acme
-	 */
-	if (likely(ctl_sock_initialized)) {
-		int rc = dccp_feat_init(sk);
-
-		if (rc)
-			return rc;
-
-		if (dmsk->dccpms_send_ack_vector) {
-			dp->dccps_hc_rx_ackvec = dccp_ackvec_alloc(GFP_KERNEL);
-			if (dp->dccps_hc_rx_ackvec == NULL)
-				return -ENOMEM;
-		}
-		dp->dccps_hc_rx_ccid = ccid_hc_rx_new(dmsk->dccpms_rx_ccid,
-						      sk, GFP_KERNEL);
-		dp->dccps_hc_tx_ccid = ccid_hc_tx_new(dmsk->dccpms_tx_ccid,
-						      sk, GFP_KERNEL);
-		if (unlikely(dp->dccps_hc_rx_ccid == NULL ||
-			     dp->dccps_hc_tx_ccid == NULL)) {
-			ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
-			ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
-			if (dmsk->dccpms_send_ack_vector) {
-				dccp_ackvec_free(dp->dccps_hc_rx_ackvec);
-				dp->dccps_hc_rx_ackvec = NULL;
-			}
-			dp->dccps_hc_rx_ccid = dp->dccps_hc_tx_ccid = NULL;
-			return -ENOMEM;
-		}
-	} else {
-		/* control socket doesn't need feat nego */
-		INIT_LIST_HEAD(&dmsk->dccpms_pending);
-		INIT_LIST_HEAD(&dmsk->dccpms_conf);
-	}
-
+	/* control socket doesn't need feat nego */
+	if (likely(ctl_sock_initialized))
+		return dccp_feat_init(sk);
 	return 0;
 }