linux-kernel - Re: [PATCH net-next] ax88796c: fix fetching error stats from percpu containers

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Message-ID: <dleftj5ytkop7q.fsf%l.stelmach@samsung.com>
Date:   Mon, 25 Oct 2021 21:54:01 +0200
From:   Lukasz Stelmach <l.stelmach@...sung.com>
To:     Alexander Lobakin <alobakin@...me>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] ax88796c: fix fetching error stats from percpu
 containers

It was <2021-10-23 sob 12:19>, when Alexander Lobakin wrote:
> rx_dropped, tx_dropped, rx_frame_errors and rx_crc_errors are being
> wrongly fetched from the target container rather than source percpu
> ones.
> No idea if that goes from the vendor driver or was brainoed during
> the refactoring, but fix it either way.

It may be the latter. Thank you for fixing.

>
> Fixes: a97c69ba4f30e ("net: ax88796c: ASIX AX88796C SPI Ethernet Adapter Driver")
> Signed-off-by: Alexander Lobakin <alobakin@...me>
> ---
>  drivers/net/ethernet/asix/ax88796c_main.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>

Acked-by: Łukasz Stelmach <l.stelmach@...sung.com>

> diff --git a/drivers/net/ethernet/asix/ax88796c_main.c b/drivers/net/ethernet/asix/ax88796c_main.c
> index cfc597f72e3d..91fa0499ea6a 100644
> --- a/drivers/net/ethernet/asix/ax88796c_main.c
> +++ b/drivers/net/ethernet/asix/ax88796c_main.c
> @@ -672,10 +672,10 @@ static void ax88796c_get_stats64(struct net_device *ndev,
>  		stats->tx_packets += tx_packets;
>  		stats->tx_bytes   += tx_bytes;
>
> -		rx_dropped      += stats->rx_dropped;
> -		tx_dropped      += stats->tx_dropped;
> -		rx_frame_errors += stats->rx_frame_errors;
> -		rx_crc_errors   += stats->rx_crc_errors;
> +		rx_dropped      += s->rx_dropped;
> +		tx_dropped      += s->tx_dropped;
> +		rx_frame_errors += s->rx_frame_errors;
> +		rx_crc_errors   += s->rx_crc_errors;
>  	}
>
>  	stats->rx_dropped = rx_dropped;
> --
> 2.33.1
>
>
>
>

-- 
Łukasz Stelmach
Samsung R&D Institute Poland
Samsung Electronics

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