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Date:   Fri, 11 Sep 2020 08:27:48 -0700
From:   Jakub Kicinski <>
To:     Luo bin <>
Cc:     <>, <>,
        <>, <>,
        <>, <>,
Subject: Re: [PATCH net v1] hinic: fix rewaking txq after netif_tx_disable

On Thu, 10 Sep 2020 22:04:40 +0800 Luo bin wrote:
> When calling hinic_close in hinic_set_channels, all queues are
> stopped after netif_tx_disable, but some queue may be rewaken in
> free_tx_poll by mistake while drv is handling tx irq. If one queue
> is rewaken core may call hinic_xmit_frame to send pkt after
> netif_tx_disable within a short time which may results in accessing
> memory that has been already freed in hinic_close. So we call
> napi_disable before netif_tx_disable in hinic_close to fix this bug.
> Fixes: 2eed5a8b614b ("hinic: add set_channels ethtool_ops support")
> Signed-off-by: Luo bin <>

Reviewed-by: Jakub Kicinski <>

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