linux-kernel - Re: [PATCH v5 15/15] tty: serial: 8250: Merge duplicate conditions

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Message-ID: <1452706119.2521.3.camel@linux.intel.com>
Date:	Wed, 13 Jan 2016 19:28:39 +0200
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Anton Wuerfel <anton.wuerfel@....de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Jiri Slaby <jslaby@...e.com>,
	"James E.J. Bottomley" <jejb@...isc-linux.org>,
	Helge Deller <deller@....de>,
	Peter Hurley <peter@...leysoftware.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Qipeng Zha <qipeng.zha@...el.com>,
	Desmond Liu <desmondl@...adcom.com>,
	Wang Long <long.wanglong@...wei.com>,
	Matt Redfearn <matt.redfearn@...tec.com>,
	Paul Burton <paul.burton@...tec.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Peter Hung <hpeter@...il.com>,
	Soeren Grunewald <soeren.grunewald@...y.de>,
	Adam Lee <adam.lee@...onical.com>,
	"Maciej S. Szmigiero" <mail@...iej.szmigiero.name>,
	Mans Rullgard <mans@...sr.com>, linux-kernel@...r.kernel.org,
	linux-parisc@...r.kernel.org, linux-kernel@...cs.fau.de,
	Phillip Raffeck <phillip.raffeck@....de>
Subject: Re: [PATCH v5 15/15] tty: serial: 8250: Merge duplicate conditions

On Wed, 2016-01-13 at 17:39 +0100, Anton Wuerfel wrote:
> This patch refactors a switch case statement by merging an if
> condition
> in the default case into an identical condition right after the
> switch
> statement.
> This comes with a slight change in behaviour: If
> pci_netmos_9900_numports
> returns 0, an additional warning is printed.
> 

+ Suggested-by:

And I would recommend to put this patch before #13 in the series.

> Signed-off-by: Anton Würfel <anton.wuerfel@....de>
> Signed-off-by: Phillip Raffeck <phillip.raffeck@....de>
> Cc: linux-kernel@...cs.fau.de
> ---
>  drivers/tty/serial/8250/8250_pci.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/tty/serial/8250/8250_pci.c
> b/drivers/tty/serial/8250/8250_pci.c
> index 1dd607f..50ab301 100644
> --- a/drivers/tty/serial/8250/8250_pci.c
> +++ b/drivers/tty/serial/8250/8250_pci.c
> @@ -854,8 +854,10 @@ static int pci_netmos_init(struct pci_dev *dev)
>  		}
>  	}
>  
> -	if (num_serial == 0)
> +	if (num_serial == 0) {
> +		moan_device("unknown NetMos/Mostech device", dev);
>  		return -ENODEV;
> +	}

Yep!
However, you forgot to fix switch-case as well.

>  
>  	return num_serial;
>  }

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy