Re: [PATCH 4/7] can/at91: don't check platform_get_irq's returnvalue against zero

[David Miller]

From: Wolfgang Grandegger <wg@xxxxxxxxxxxxxx>
Date: Wed, 16 Dec 2009 19:58:38 +0100

> Uwe Kleine-König wrote:
>> platform_get_irq returns -ENXIO on failure, so !irq was probably
>> always true.  Better use (int)irq <= 0.  Note that a return value of
>> zero is still handled as error even though this could mean irq0.
>> 
>> This is a followup to 305b3228f9ff4d59f49e6d34a7034d44ee8ce2f0 that
>> changed the return value of platform_get_irq from 0 to -ENXIO on error.
>> 
>> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
> 
> Signed-off-by: Wolfgang Grandegger <wg@xxxxxxxxxxxxxx>

Applied, thanks.
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