linux-kernel - Re: [patch] net: make ndev->irq signed for error handling

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Date:	Thu, 07 Nov 2013 19:13:57 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	dan.carpenter@...cle.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [patch] net: make ndev->irq signed for error handling

From: Dan Carpenter <dan.carpenter@...cle.com>
Date: Thu, 7 Nov 2013 10:48:49 +0300

> There is a bug in cpsw_probe() where we do:
> 
> 	ndev->irq = platform_get_irq(pdev, 0);
> 	if (ndev->irq < 0) {
> 
> The problem is that "ndev->irq" is unsigned so the error handling
> doesn't work.  I have changed it to a regular int.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Even though some simplifications have been suggested wrt. how
this irq value is obtained in the one place where it is used,
I am applying Dan's patch for now.
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