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DateWed, 02 Mar 2005 01:22:41 -0500
FromJeff Garzik <>
SubjectRe: [PATCH] Possible VIA-Rhine free irq issue
Panagiotis Issaris wrote:
> Hi,
> 
> It seems to me that in the VIA Rhine device driver the requested irq might
> not be freed in case the alloc_ring() function fails. alloc_ring()
> can fail with a ENOMEM return value because of possible
> pci_alloc_consistent() failures.
> 
> This patch applies to 2.6.11-rc5-bk2.
> 
> diff -uprN linux-2.6.11-rc5-bk2/drivers/net/via-rhine.c linux-2.6.11-rc5-bk2-pi/drivers/net/via-rhine.c
> --- linux-2.6.11-rc5-bk2/drivers/net/via-rhine.c	2005-02-28 13:44:37.000000000 +0100
> +++ linux-2.6.11-rc5-bk2-pi/drivers/net/via-rhine.c	2005-02-28 13:44:31.000000000 +0100
> @@ -1198,7 +1198,10 @@ static int rhine_open(struct net_device 
> 
>  	rc = alloc_ring(dev);
>  	if (rc)
> +	{
> +		free_irq(rp->pdev->irq, dev);
>  		return rc;
> +	}

Yes, this is a needed fix.  Thanks,

	Jeff



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