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Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/inet_connection_sock.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 741f0d96a7f7..f0f91858aecf 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -293,8 +293,8 @@ struct sock *inet_csk_accept(struct sock *sk, int flags, int *err)
{
struct inet_connection_sock *icsk = inet_csk(sk);
struct request_sock_queue *queue = &icsk->icsk_accept_queue;
- struct sock *newsk;
struct request_sock *req;
+ struct sock *newsk;
int error;
lock_sock(sk);
@@ -323,7 +323,9 @@ struct sock *inet_csk_accept(struct sock *sk, int flags, int *err)
newsk = req->sk;
sk_acceptq_removed(sk);
- if (sk->sk_protocol == IPPROTO_TCP && queue->fastopenq != NULL) {
+ if (sk->sk_protocol == IPPROTO_TCP &&
+ tcp_rsk(req)->tfo_listener &&
+ queue->fastopenq) {
spin_lock_bh(&queue->fastopenq->lock);
if (tcp_rsk(req)->tfo_listener) {
/* We are still waiting for the final ACK from 3WHS