From 97e617518cbc318113b034a5fb33f49c81701278 Mon Sep 17 00:00:00 2001 From: Paolo Abeni Date: Thu, 23 Jul 2020 13:02:35 +0200 Subject: subflow: use rsk_ops->send_reset() tcp_send_active_reset() is more prone to transient errors (memory allocation or xmit queue full): in stress conditions the kernel may drop the egress packet, and the client will be stuck. Reviewed-by: Mat Martineau Tested-by: Christoph Paasch Signed-off-by: Paolo Abeni Signed-off-by: David S. Miller --- net/mptcp/subflow.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/mptcp') diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 3ef445f59556..ada04df6f99f 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -524,9 +524,9 @@ out: dispose_child: subflow_drop_ctx(child); tcp_rsk(req)->drop_req = true; - tcp_send_active_reset(child, GFP_ATOMIC); inet_csk_prepare_for_destroy_sock(child); tcp_done(child); + req->rsk_ops->send_reset(sk, skb); /* The last child reference will be released by the caller */ return child; -- cgit v1.2.3