linux-kernel - Re: [PATCH] iio: magnetometer: ak8974: remove redundant zero timeout check

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Message-ID: <8fccb220-4254-bc36-e1bc-abfb54a4fda6@kernel.org>
Date:   Sat, 14 Jan 2017 13:10:43 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Colin King <colin.king@...onical.com>
Cc:     Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] iio: magnetometer: ak8974: remove redundant zero timeout
 check

On 11/01/17 23:11, Linus Walleij wrote:
> On Wed, Jan 11, 2017 at 6:49 PM, Colin King <colin.king@...onical.com> wrote:
> 
>> From: Colin Ian King <colin.king@...onical.com>
>>
>> At the end of the delay loop timeout will always be zero
>> and hence the check for !timeout will always be true. Remove
>> the redundant check and the redundant return 0 at the end of
>> the function.
>>
>> Fixes CoverityScan CID#1357168 ("Logically dead code")
>>
>> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> 
> Clever Coverity scan.
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> 
Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with it.

Thanks,

Jonathan
> Yours,
> Linus Walleij
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