netdev - Re: [PATCH next] drivers: net: can: c_can: add type cast from 'unsigned int' to 'int'

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Message-ID: <52148C1E.3020709@pengutronix.de>
Date:	Wed, 21 Aug 2013 11:45:02 +0200
From:	Marc Kleine-Budde <mkl@...gutronix.de>
To:	Chen Gang <gang.chen@...anux.com>
CC:	wg@...ndegger.com, anilkumar@...com,
	Tony Lindgren <tony@...mide.com>, jg1.han@...sung.com,
	David Miller <davem@...emloft.net>, linux-can@...r.kernel.org,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH next] drivers: net: can: c_can: add type cast from 'unsigned
 int' to 'int'

On 08/21/2013 11:09 AM, Chen Gang wrote:
> 'priv->instance' may less than zero, so need a type cast, the related
> warnings (allmodconfig, "EXTRA_CFLAGS=-W"):
> 
>   drivers/net/can/c_can/c_can_platform.c:198:3: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]

Tnx, I've tweaked the commit message a bit, will send a v2.

Marc
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