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

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Date:   Tue, 22 Aug 2017 13:03:20 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Rishabh Hardas <rishabhhardas@...il.com>
Cc:     Joe Perches <joe@...ches.com>, devel@...verdev.osuosl.org,
        gregkh@...uxfoundation.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 Tue, Aug 22, 2017 at 02:57:49PM +0530, Rishabh Hardas wrote:
> On Sat, Aug 19, 2017 at 09:47:28PM -0700, Joe Perches wrote:
> > 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.
> > 
> > 
> So should I keep this as it is or remove the macros ?
> Because as Dan said the corrections that I made aren't goo either.
> 

Find a way to correct it which makes the code more readable than it was
before.

regards,
dan carpenter