1 files changed, 13 insertions, 6 deletions

diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 9fe25bf63296..b68168fcc06a 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -24,6 +24,7 @@
 #include <net/checksum.h>
 
 #include <net/inet_sock.h>
+#include <net/inet_common.h>
 #include <net/sock.h>
 #include <net/xfrm.h>
 
@@ -170,6 +171,15 @@ const char *dccp_packet_name(const int type)
 
 EXPORT_SYMBOL_GPL(dccp_packet_name);
 
+static void dccp_sk_destruct(struct sock *sk)
+{
+        struct dccp_sock *dp = dccp_sk(sk);
+
+        ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
+        dp->dccps_hc_tx_ccid = NULL;
+        inet_sock_destruct(sk);
+}
+
 int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized)
 {
         struct dccp_sock *dp = dccp_sk(sk);
@@ -179,6 +189,7 @@ int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized)
         icsk->icsk_syn_retries  = sysctl_dccp_request_retries;
         sk->sk_state            = DCCP_CLOSED;
         sk->sk_write_space      = dccp_write_space;
+        sk->sk_destruct         = dccp_sk_destruct;
         icsk->icsk_sync_mss     = dccp_sync_mss;
         dp->dccps_mss_cache     = 536;
         dp->dccps_rate_last     = jiffies;
@@ -201,10 +212,7 @@ void dccp_destroy_sock(struct sock *sk)
 {
         struct dccp_sock *dp = dccp_sk(sk);
 
-        /*
-         * DCCP doesn't use sk_write_queue, just sk_send_head
-         * for retransmissions
-         */
+        __skb_queue_purge(&sk->sk_write_queue);
         if (sk->sk_send_head != NULL) {
                 kfree_skb(sk->sk_send_head);
                 sk->sk_send_head = NULL;
@@ -222,8 +230,7 @@ void dccp_destroy_sock(struct sock *sk)
                 dp->dccps_hc_rx_ackvec = NULL;
         }
         ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
-        ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
-        dp->dccps_hc_rx_ccid = dp->dccps_hc_tx_ccid = NULL;
+        dp->dccps_hc_rx_ccid = NULL;
 
         /* clean up feature negotiation state */
         dccp_feat_list_purge(&dp->dccps_featneg);