linux-kernel - Re: [PATCH] rsxx: Remove unnecessary parentheses

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Message-ID: <f8ee0011-d544-ce09-0bd7-94946c101fbd@kernel.dk>
Date:   Tue, 11 Sep 2018 16:57:35 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Nathan Chancellor <natechancellor@...il.com>,
        Joshua Morris <josh.h.morris@...ibm.com>,
        Philip Kelleher <pjk1939@...ux.vnet.ibm.com>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH] rsxx: Remove unnecessary parentheses

On 9/11/18 3:50 PM, Nathan Chancellor wrote:
> Clang warns when more than one set of parentheses is used for a
> single conditional statement:
> 
> drivers/block/rsxx/cregs.c:279:15: warning: equality comparison with
> extraneous parentheses [-Wparentheses-equality]
>         if ((cmd->op == CREG_OP_READ)) {
>              ~~~~~~~~^~~~~~~~~~~~~~~
> drivers/block/rsxx/cregs.c:279:15: note: remove extraneous parentheses
> around the comparison to silence this warning
>         if ((cmd->op == CREG_OP_READ)) {
>             ~        ^              ~
> drivers/block/rsxx/cregs.c:279:15: note: use '=' to turn this equality
> comparison into an assignment
>         if ((cmd->op == CREG_OP_READ)) {
>                      ^~
>                      =
> 1 warning generated.

Applied for 4.20, thanks.

-- 
Jens Axboe