linux-kernel - Re: [PATCH][V2] ethernet: aquantia: remove redundant checks on error status

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Message-ID: <f1f0eb63-85cf-695f-e6db-4d58e5103e19@gmx.de>
Date:   Thu, 11 May 2017 21:55:50 +0200
From:   Lino Sanfilippo <LinoSanfilippo@....de>
To:     Colin King <colin.king@...onical.com>,
        Pavel Belous <pavel.belous@...antia.com>,
        "David S . Miller" <davem@...emloft.net>,
        David VomLehn <vomlehn@...as.net>,
        Alexander Loktionov <Alexander.Loktionov@...antia.com>,
        Dmitry Bezrukov <Dmitry.Bezrukov@...antia.com>,
        Dmitrii Tarakanov <Dmitrii.Tarakanov@...antia.com>,
        netdev@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][V2] ethernet: aquantia: remove redundant checks on error
 status

Hi,

On 11.05.2017 20:29, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The error status err is initialized as zero and then being checked
> several times to see if it is less than zero even when it has not
> been updated.  It may seem that the err should be assigned to the
> return code of the call to the various *offload_en_set calls and
> then we check for failure, however, these functions are void and
> never actually return any status.  
> 
> Since these error checks are redundant we can remove these
> as well as err and the error exit label err_exit.
> 
> Detected by CoverityScan, CID#1398313 and CID#1398306 ("Logically
> dead code")
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

FWIW:


Reviewed-by: Lino Sanfilippo <LinoSanfilippo@....de>

Regards,
Lino