[DCCP]: Call the HC exit routines at dccp_v4_destroy_sock

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 647e669..3cf2cbc 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -1303,6 +1303,8 @@
 	if (inet_csk(sk)->icsk_bind_hash != NULL)
 		inet_put_port(&dccp_hashinfo, sk);
 
+	ccid_hc_rx_exit(dp->dccps_hc_rx_ccid, sk);
+	ccid_hc_tx_exit(dp->dccps_hc_tx_ccid, sk);
 	dccp_ackpkts_free(dp->dccps_hc_rx_ackpkts);
 	dp->dccps_hc_rx_ackpkts = NULL;
 	ccid_exit(dp->dccps_hc_rx_ccid, sk);