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Diffstat (limited to 'net')
-rw-r--r--net/core/request_sock.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/net/core/request_sock.c b/net/core/request_sock.c
index 5f0818d815e6..45aed75cb571 100644
--- a/net/core/request_sock.c
+++ b/net/core/request_sock.c
@@ -71,6 +71,41 @@ int reqsk_queue_alloc(struct request_sock_queue *queue,
EXPORT_SYMBOL(reqsk_queue_alloc);
+void __reqsk_queue_destroy(struct request_sock_queue *queue)
+{
+ struct listen_sock *lopt;
+ size_t lopt_size;
+
+ /*
+ * this is an error recovery path only
+ * no locking needed and the lopt is not NULL
+ */
+
+ lopt = queue->listen_opt;
+ lopt_size = sizeof(struct listen_sock) +
+ lopt->nr_table_entries * sizeof(struct request_sock *);
+
+ if (lopt_size > PAGE_SIZE)
+ vfree(lopt);
+ else
+ kfree(lopt);
+}
+
+EXPORT_SYMBOL(__reqsk_queue_destroy);
+
+static inline struct listen_sock *reqsk_queue_yank_listen_sk(
+ struct request_sock_queue *queue)
+{
+ struct listen_sock *lopt;
+
+ write_lock_bh(&queue->syn_wait_lock);
+ lopt = queue->listen_opt;
+ queue->listen_opt = NULL;
+ write_unlock_bh(&queue->syn_wait_lock);
+
+ return lopt;
+}
+
void reqsk_queue_destroy(struct request_sock_queue *queue)
{
/* make all the listen_opt local to us */