diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/request_sock.c | 35 |
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 */ |