netdev - Re: [PATCH] net: ethernet: cpsw: improve interrupt lookup logic in cpsw

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Date:	Fri, 05 Sep 2014 17:17:30 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	daniel@...que.org
Cc:	julia.lawall@...6.fr, netdev@...r.kernel.org, mugunthanvnm@...com,
	george.cherian@...com, zonque@...il.com
Subject: Re: [PATCH] net: ethernet: cpsw: improve interrupt lookup logic in
 cpsw_probe()

From: Daniel Mack <daniel@...que.org>
Date: Thu,  4 Sep 2014 09:00:23 +0200

> From: Daniel Mack <zonque@...il.com>
> 
> Simplify the interrupt resource lookup code in cpsw_probe() by the
> following:
> 
>  * Only look at the first member of the resource. As the driver only
>    works for DT-enabled platforms anyway, a resource of type
>    IORESOURCE_IRQ will only contain one single entry
>    (res->start == res->end), so there is no need for the iteration.
> 
>  * Add a bounds check to avoid overflows if we are passed more than
>    ARRAY_SIZE(priv->irqs_table) resources.
> 
>  * Assign 'ret' with the return value of devm_request_irq() so that
>    cpsw_probe() returns the appropriate error code.
> 
>  * If devm_request_irq() fails, report the error code in the log
>    message.
> 
> Signed-off-by: Daniel Mack <zonque@...il.com>

Applied to net-next, thanks.
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