linux-kernel - Re: [PATCH v2 1/4] staging: pi433: Style fix

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Message-ID: <1503204448.6933.1.camel@perches.com>
Date:   Sat, 19 Aug 2017 21:47:28 -0700
From:   Joe Perches <joe@...ches.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>,
        Rishabh Hardas <rishabhhardas@...il.com>
Cc:     gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, rjosephwright@...il.com,
        linux@...f-Entwicklungen.de, colin.king@...onical.com
Subject: Re: [PATCH v2 1/4] staging: pi433: Style fix - Correct long lines

On Wed, 2017-08-16 at 10:31 +0300, Dan Carpenter wrote:
> On Wed, Aug 16, 2017 at 10:53:18AM +0530, Rishabh Hardas wrote:
> > @@ -143,10 +142,13 @@ struct pi433_rx_cfg {
> > 
> >  #define PI433_IOC_MAGIC			'r'
> > 
> > -#define PI433_IOC_RD_TX_CFG	_IOR(PI433_IOC_MAGIC, PI433_TX_CFG_IOCTL_NR, char[sizeof(struct pi433_tx_cfg)])
> > -#define PI433_IOC_WR_TX_CFG	_IOW(PI433_IOC_MAGIC, PI433_TX_CFG_IOCTL_NR, char[sizeof(struct pi433_tx_cfg)])
> > -
> > -#define PI433_IOC_RD_RX_CFG	_IOR(PI433_IOC_MAGIC, PI433_RX_CFG_IOCTL_NR, char[sizeof(struct pi433_rx_cfg)])
> > -#define PI433_IOC_WR_RX_CFG	_IOW(PI433_IOC_MAGIC, PI433_RX_CFG_IOCTL_NR, char[sizeof(struct pi433_rx_cfg)])
> > +#define PI433_IOC_RD_TX_CFG	_IOR(PI433_IOC_MAGIC, PI433_TX_CFG_IOCTL_NR,\
> > +				     char[sizeof(struct pi433_tx_cfg)])
> > +#define PI433_IOC_WR_TX_CFG	_IOW(PI433_IOC_MAGIC, PI433_TX_CFG_IOCTL_NR,\
> > +				     char[sizeof(struct pi433_tx_cfg)])
> > +#define PI433_IOC_RD_RX_CFG	_IOR(PI433_IOC_MAGIC, PI433_RX_CFG_IOCTL_NR,\
> > +				     char[sizeof(struct pi433_rx_cfg)])
> > +#define PI433_IOC_WR_RX_CFG	_IOW(PI433_IOC_MAGIC, PI433_RX_CFG_IOCTL_NR,\
> > +				     char[sizeof(struct pi433_rx_cfg)])
> 
> 
> These don't help readability.  The original was better.

The original wasn't any good either.

It'd be better to avoid the macros altogether
as almost all are use-once.