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authorPaolo Abeni <pabeni@redhat.com>2020-07-23 13:02:35 +0200
committerDavid S. Miller <davem@davemloft.net>2020-07-23 20:47:25 +0200
commit97e617518cbc318113b034a5fb33f49c81701278 (patch)
tree3fd30a2498ad4b22ce6758d804761d7f3438bd52 /net/mptcp/subflow.c
parentsubflow: explicitly check for plain tcp rsk (diff)
downloadlinux-97e617518cbc318113b034a5fb33f49c81701278.tar.xz
linux-97e617518cbc318113b034a5fb33f49c81701278.zip
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 <mathew.j.martineau@linux.intel.com> Tested-by: Christoph Paasch <cpaasch@apple.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--net/mptcp/subflow.c2
1 files changed, 1 insertions, 1 deletions
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;