linux-kernel - Re: [patch net-next] net: qcom/emac: fix a sizeof() typo

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Date:   Mon, 13 Feb 2017 12:55:03 +0100
From:   walter harms <wharms@....de>
To:     Dan Carpenter <dan.carpenter@...cle.com>
CC:     Timur Tabi <timur@...eaurora.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [patch net-next] net: qcom/emac: fix a sizeof() typo



Am 13.02.2017 12:00, schrieb Dan Carpenter:
> We had intended to say "sizeof(u32)" but the "u" is missing.
> Fortunately, sizeof(32) is also 4, so the original code still works.
> 
> Fixes: c4e7beea2192 ("net: qcom/emac: add ethtool support for reading hardware registers")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
> 
> diff --git a/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c b/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c
> index 0d9945fb79be..bbe24639aa5a 100644
> --- a/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c
> +++ b/drivers/net/ethernet/qualcomm/emac/emac-ethtool.c
> @@ -227,7 +227,7 @@ static void emac_get_regs(struct net_device *netdev,
>  
>  static int emac_get_regs_len(struct net_device *netdev)
>  {
> -	return EMAC_MAX_REG_SIZE * sizeof(32);
> +	return EMAC_MAX_REG_SIZE * sizeof(u32);
>  }
>  


We have a function where the argument is ignored and the rest is const ?

emac_ethtool_get_regs_len seems the only user. So it would be fairly easy to
move that into that function.

@maintainer:
Is there a deeper logic behind this ?


re,
 wh



>  static const struct ethtool_ops emac_ethtool_ops = {
> --
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