netdev - Re: [PATCH 1/2] atmel/macb: fix device name when SOFT/HARD

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Message-ID: <20110209144411.GB11255@game.jcrosoft.org>
Date:	Wed, 9 Feb 2011 15:44:11 +0100
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Sergei Shtylyov <sshtylyov@...sta.com>
Cc:	linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Paul Chavent <paul.chavent@...c.net>
Subject: Re: [PATCH 1/2] atmel/macb: fix device name when SOFT/HARD_IRQ
 enabled

On 16:41 Wed 09 Feb     , Sergei Shtylyov wrote:
> Hello.
> 
> On 09-02-2011 15:43, Jean-Christophe PLAGNIOL-VILLARD wrote:
> 
> >From: Paul Chavent<paul.chavent@...c.net>
> 
> >When listing processes on a system with SOFT/HARD_IRQ enabled,
> >the name of the ethernet device is [irq/eth%d] (instead of [irq/eth0] for example).
> 
> >This patch call the request_irq function after having initialized the name of the device.
> 
> >Signed-off-by: Paul Chavent<paul.chavent@...c.net>
> >Signed-off-by: Nicolas Ferre<nicolas.ferre@...el.com>
> >Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD<plagnioj@...osoft.com>
> [...]
> 
> >diff --git a/drivers/net/macb.c b/drivers/net/macb.c
> >index f69e73e..d642e08 100644
> >--- a/drivers/net/macb.c
> >+++ b/drivers/net/macb.c
> [...]
> >@@ -1219,13 +1209,23 @@ static int __init macb_probe(struct platform_device *pdev)
> >  	err = register_netdev(dev);
> >  	if (err) {
> >  		dev_err(&pdev->dev, "Cannot register net device, aborting.\n");
> >-		goto err_out_free_irq;
> >+		goto err_out_iounmap;
> >  	}
> >
> >-	if (macb_mii_init(bp) != 0) {
> >+	dev->irq = platform_get_irq(pdev, 0);
> 
>    platform_get_irq() can fail...
request_irq will fail too so do we really need to check it?
> 
> >+	err = request_irq(dev->irq, macb_interrupt, IRQF_SAMPLE_RANDOM,
> >+			  dev->name, dev);

Best Regards,
J.
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