From: Eric Dumazet <eduma...@google.com>
Date: Wed, 2 May 2018 20:25:13 -0700
> When adding rb-tree for TCP retransmit queue, we inadvertently broke
> TCP autocorking.
>
> tcp_should_autocork() should really check if the rtx queue is not empty.
>
> Tested:
...
> Fixes: 75c119afe14f ("tcp: implement rb-tree based retransmit queue")
> Signed-off-by: Eric Dumazet <eduma...@google.com>
> Reported-by: Michael Wenig <mwe...@vmware.com>
> Tested-by: Michael Wenig <mwe...@vmware.com>
Applied and queued up for -stable, thanks Eric.
