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Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 4eb0c8ca3c60..5def3c48870e 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -6498,7 +6498,13 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops,
af_ops->send_synack(fastopen_sk, dst, &fl, req,
&foc, TCP_SYNACK_FASTOPEN);
/* Add the child socket directly into the accept queue */
- inet_csk_reqsk_queue_add(sk, req, fastopen_sk);
+ if (!inet_csk_reqsk_queue_add(sk, req, fastopen_sk)) {
+ reqsk_fastopen_remove(fastopen_sk, req, false);
+ bh_unlock_sock(fastopen_sk);
+ sock_put(fastopen_sk);
+ reqsk_put(req);
+ goto drop;
+ }
sk->sk_data_ready(sk);
bh_unlock_sock(fastopen_sk);
sock_put(fastopen_sk);