netdev - RE: [Intel-wired-lan] [net-next] net: iavf: Use the ARRAY_SIZE macro for aq_to

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Date:   Thu, 14 Jan 2021 09:57:28 +0000
From:   "Jankowski, Konrad0" <konrad0.jankowski@...el.com>
To:     Wei Xu <xuwei5@...ilicon.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "salil.mehta@...wei.com" <salil.mehta@...wei.com>,
        "jinying@...ilicon.com" <jinying@...ilicon.com>,
        "tangkunshan@...wei.com" <tangkunshan@...wei.com>,
        "huangdaode@...ilicon.com" <huangdaode@...ilicon.com>,
        "john.garry@...wei.com" <john.garry@...wei.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linuxarm@...wei.com" <linuxarm@...wei.com>,
        "shameerali.kolothum.thodi@...wei.com" 
        <shameerali.kolothum.thodi@...wei.com>,
        "zhangyi.ac@...wei.com" <zhangyi.ac@...wei.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
        "jonathan.cameron@...wei.com" <jonathan.cameron@...wei.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "liguozhu@...ilicon.com" <liguozhu@...ilicon.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "shiju.jose@...wei.com" <shiju.jose@...wei.com>
Subject: RE: [Intel-wired-lan] [net-next] net: iavf: Use the ARRAY_SIZE macro
 for aq_to_posix


> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Wei Xu
> Sent: środa, 9 września 2020 10:51
> To: netdev@...r.kernel.org
> Cc: salil.mehta@...wei.com; jinying@...ilicon.com;
> tangkunshan@...wei.com; huangdaode@...ilicon.com;
> john.garry@...wei.com; linux-kernel@...r.kernel.org;
> linuxarm@...wei.com; shameerali.kolothum.thodi@...wei.com;
> zhangyi.ac@...wei.com; intel-wired-lan@...ts.osuosl.org;
> xuwei5@...ilicon.com; jonathan.cameron@...wei.com; Jakub Kicinski
> <kuba@...nel.org>; liguozhu@...ilicon.com; davem@...emloft.net;
> shiju.jose@...wei.com
> Subject: [Intel-wired-lan] [net-next] net: iavf: Use the ARRAY_SIZE macro for
> aq_to_posix
> 
> Use the ARRAY_SIZE macro to calculate the size of an array.
> This code was detected with the help of Coccinelle.
> 
> Signed-off-by: Wei Xu <xuwei5@...ilicon.com>
> ---
>  drivers/net/ethernet/intel/iavf/iavf_adminq.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/intel/iavf/iavf_adminq.h
> b/drivers/net/ethernet/intel/iavf/iavf_adminq.h
> index baf2fe2..eead12c 100644
> --- a/drivers/net/ethernet/intel/iavf/iavf_adminq.h
> +++ b/drivers/net/ethernet/intel/iavf/iavf_adminq.h
> @@ -120,7 +120,7 @@ static inline int iavf_aq_rc_to_posix(int aq_ret, int
> aq_rc)
>  	if (aq_ret == IAVF_ERR_ADMIN_QUEUE_TIMEOUT)
>  		return -EAGAIN;
> 
> -	if (!((u32)aq_rc < (sizeof(aq_to_posix) / sizeof((aq_to_posix)[0]))))
> +	if (!((u32)aq_rc < ARRAY_SIZE(aq_to_posix)))
>  		return -ERANGE;
> 
>  	return aq_to_posix[aq_rc];

Tested-by: Konrad Jankowski <konrad0.jankowski@...el.com>
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