netdev - Re: [PATCH] net: davinci_emac: Replace devm_request_irq with request

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Date:	Thu, 06 Mar 2014 16:57:36 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	christian.riesch@...cron.at
Cc:	netdev@...r.kernel.org, jon@...gle.org, f.fainelli@...il.com,
	davinci-linux-open-source@...ux.davincidsp.com,
	prabhakar.csengg@...il.com, stable@...r.kernel.org
Subject: Re: [PATCH] net: davinci_emac: Replace devm_request_irq with
 request_irq

From: Christian Riesch <christian.riesch@...cron.at>
Date: Wed, 5 Mar 2014 11:25:28 +0100

> @@ -1641,7 +1640,15 @@ static int emac_dev_open(struct net_device *ndev)
>  
>  rollback:
>  
> -	dev_err(emac_dev, "DaVinci EMAC: devm_request_irq() failed");
> +	dev_err(emac_dev, "DaVinci EMAC: request_irq() failed");
> +
> +	for (q = k; k >= 0; k--) {
> +		for (m = i; m >= res->start; m--)
> +			free_irq(m, ndev);
> +		res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, k-1);
> +		m = res->end;
> +	}

This final assignment in the loop of 'm' is unused?

The inner for() loop always started with "m = i;"
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