linux-kernel - Re: [PATCH] ks7010: adding parenthesis to macro argument

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Message-ID: <20170314094347.GN4136@mwanda>
Date:   Tue, 14 Mar 2017 12:43:47 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Pushkar Jambhlekar <pushkar.iit@...il.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Wolfram Sang <wsa@...-dreams.de>,
        sayli karnik <karniksayli1995@...il.com>,
        Markus Elfring <elfring@...rs.sourceforge.net>,
        Nick Rosbrook <nrosbrook@...l.smcvt.edu>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ks7010: adding parenthesis to macro argument

On Tue, Mar 14, 2017 at 11:12:42AM +0530, Pushkar Jambhlekar wrote:
> Description:
> In driver module ks7010, "checkpatch.pl" flags error for adding parenthesis around macro params.
> Also, removing extra line.

Don't do this as one patch.

> 
> Signed-off-by: Pushkar Jambhlekar <pushkar.iit@...il.com>
> ---
>  drivers/staging/ks7010/ks7010_sdio.c | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c
> index a604c83..644b8d4 100644
> --- a/drivers/staging/ks7010/ks7010_sdio.c
> +++ b/drivers/staging/ks7010/ks7010_sdio.c
> @@ -35,18 +35,18 @@ MODULE_DEVICE_TABLE(sdio, ks7010_sdio_ids);
>  /* macro */
>  
>  #define inc_txqhead(priv) \
> -	(priv->tx_dev.qhead = (priv->tx_dev.qhead + 1) % TX_DEVICE_BUFF_SIZE)
> +	((priv)->tx_dev.qhead = ((priv)->tx_dev.qhead + 1) % TX_DEVICE_BUFF_SIZE)

I can't get excited about this at all.  Make it a function or leave it
alone.

regards,
dan carpenter