linux-kernel - Re: [PATCH 3/3] SPARC: Handle request

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Date:	Mon, 26 Feb 2007 09:44:50 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	dmonakhov@...nvz.org
Cc:	linux-kernel@...r.kernel.org, sparclinux@...r.kernel.org,
	devel@...nvz.org
Subject: Re: [PATCH 3/3] SPARC: Handle request_irq() failure

From: Monakhov Dmitriy <dmonakhov@...nvz.org>
Date: Mon, 26 Feb 2007 19:09:27 +0300

> Signed-off-by: Monakhov Dmitriy <dmonakhov@...nvz.org>
 ...
> @@ -389,7 +390,12 @@ static int __init ts102_uctrl_init(void)
>  	if(!driver->irq) 
>  		driver->irq = tmp_irq[0].pri;
>  
> -	request_irq(driver->irq, uctrl_interrupt, 0, "uctrl", driver);
> +	err = request_irq(driver->irq, uctrl_interrupt, 0, "uctrl", driver);
> +	if (err) {
> +		printk(KERN_ERR "%s: unable to request irq  %d\n",
> +				__FUNCTION__, driver->irq);
> +		return -EBUSY;
> +	}
>  

Why not return the error code that request_irq() gave us?

That's how I'll fix this bug.
-
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