diff options
Diffstat (limited to 'net/ipv4/inet_connection_sock.c')
-rw-r--r-- | net/ipv4/inet_connection_sock.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 2712400a8bb..136ada050b6 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -399,3 +399,28 @@ void inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req, } EXPORT_SYMBOL_GPL(inet_csk_reqsk_queue_hash_add); + +struct sock *inet_csk_clone(struct sock *sk, const struct request_sock *req, + const unsigned int __nocast priority) +{ + struct sock *newsk = sk_clone(sk, priority); + + if (newsk != NULL) { + struct inet_connection_sock *newicsk = inet_csk(newsk); + + newsk->sk_state = TCP_SYN_RECV; + newicsk->icsk_bind_hash = NULL; + + inet_sk(newsk)->dport = inet_rsk(req)->rmt_port; + newsk->sk_write_space = sk_stream_write_space; + + newicsk->icsk_retransmits = 0; + newicsk->icsk_backoff = 0; + + /* Deinitialize accept_queue to trap illegal accesses. */ + memset(&newicsk->icsk_accept_queue, 0, sizeof(newicsk->icsk_accept_queue)); + } + return newsk; +} + +EXPORT_SYMBOL_GPL(inet_csk_clone); |