Re: [PATCH 1/1] net-next/hinic: fix a problem in hinic_xmit_frame()
From: David Miller
Date: Fri Jul 20 2018 - 02:28:28 EST
From: Zhao Chen <zhaochen6@xxxxxxxxxx>
Date: Wed, 18 Jul 2018 00:33:18 -0400
> The calculation of "wqe_size" is not correct when the tx queue is busy in
> hinic_xmit_frame().
>
> When there are no free WQEs, the tx flow will unmap the skb buffer, then
> ring the doobell for the pending packets. But the "wqe_size" which used
> to calculate the doorbell address is not correct. The wqe size should be
> cleared to 0, otherwise, it will cause a doorbell error.
>
> This patch fixes the problem.
>
> Reported-by: Zhou Wang <wangzhou1@xxxxxxxxxxxxx>
> Signed-off-by: Zhao Chen <zhaochen6@xxxxxxxxxx>
Applied and queued up for -stable.