linux-kernel - Re: [PATCH 3/5]acpi:glue.c Fix warning: variable 'ret' set but not used

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Date:	Thu, 01 Jul 2010 17:59:09 -0700
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	David Howells <dhowells@...hat.com>
CC:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	lenb@...nel.org
Subject: Re: [PATCH 3/5]acpi:glue.c Fix warning: variable 'ret' set but not
 used

On 07/01/2010 05:10 PM, David Howells wrote:
> Justin P. Mattock<justinmattock@...il.com>  wrote:
>
>> a bit confused with the whole:  "?:" though
>> *condition ? value if true : value if false* (what if both are true
>> what if both are false or does it matter?)
>
> If you say:
>
> 	cond ?: false_value
>
> then you'll get cond if cond is non-zero and false_value if it isn't.
>
> I suspect it's a gccism.
>
> David
>

I'll have to experiment with this one..
?:

Justin P. Mattock
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