[REQSK]: Move the syn_table destroy from tcp_listen_stop to reqsk_queue_destroy

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 26 insertions, 0 deletions

diff --git a/net/core/request_sock.c b/net/core/request_sock.c
index bb55675f0685..4e99ce5c08f2 100644
--- a/net/core/request_sock.c
+++ b/net/core/request_sock.c
@@ -53,6 +53,7 @@ int reqsk_queue_alloc(struct request_sock_queue *queue,
         get_random_bytes(&lopt->hash_rnd, sizeof(lopt->hash_rnd));
         rwlock_init(&queue->syn_wait_lock);
         queue->rskq_accept_head = queue->rskq_accept_head = NULL;
+        lopt->nr_table_entries = nr_table_entries;
 
         write_lock_bh(&queue->syn_wait_lock);
         queue->listen_opt = lopt;
@@ -62,3 +63,28 @@ int reqsk_queue_alloc(struct request_sock_queue *queue,
 }
 
 EXPORT_SYMBOL(reqsk_queue_alloc);
+
+void reqsk_queue_destroy(struct request_sock_queue *queue)
+{
+        /* make all the listen_opt local to us */
+        struct listen_sock *lopt = reqsk_queue_yank_listen_sk(queue);
+
+        if (lopt->qlen != 0) {
+                int i;
+
+                for (i = 0; i < lopt->nr_table_entries; i++) {
+                        struct request_sock *req;
+
+                        while ((req = lopt->syn_table[i]) != NULL) {
+                                lopt->syn_table[i] = req->dl_next;
+                                lopt->qlen--;
+                                reqsk_free(req);
+                        }
+                }
+        }
+
+        BUG_TRAP(lopt->qlen == 0);
+        kfree(lopt);
+}
+
+EXPORT_SYMBOL(reqsk_queue_destroy);