From: Tung Nguyen <tung.q.ngu...@dektech.com.au>
Date: Tue, 21 Jul 2020 08:57:05 +0700
> Commit 02288248b051 ("tipc: eliminate gap indicator from ACK messages")
> eliminated sending of the 'gap' indicator in regular ACK messages and
> only allowed to build NACK message with enabled probe/probe_reply.
> However, necessary correction for building NACK message was missed
> in tipc_link_timeout() function. This leads to significant delay and
> link reset (due to retransmission failure) in lossy environment.
>
> This commit fixes it by setting the 'probe' flag to 'true' when
> the receive deferred queue is not empty. As a result, NACK message
> will be built to send back to another peer.
>
> Fixes: commit 02288248b051 ("tipc: eliminate gap indicator from ACK messages")
"commit" doesn't belong here, I removed it when I applied your patch.
> Acked-by: Jon Maloy <jma...@redhat.com>
> Signed-off-by: Tung Nguyen <tung.q.ngu...@dektech.com.au>
Applied and queued up for -stable, thanks.
