linux-kernel - Re: [Xen-devel] [PATCH] xen/pciback: use resource

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Message-ID: <20110809143020.GD13905@dumpdata.com>
Date:	Tue, 9 Aug 2011 10:30:20 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Thomas Meyer <thomas@...3r.de>
Cc:	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org
Subject: Re: [Xen-devel] [PATCH] xen/pciback: use resource_size()

On Sat, Aug 06, 2011 at 11:05:35AM +0200, Thomas Meyer wrote:
> From: Thomas Meyer <thomas@...3r.de>
> 
>  Use resource_size function on resource object
>  instead of explicit computation.
> 
>  The semantic patch that makes this output is available
>  in scripts/coccinelle/api/resource_size.cocci.
> 
>  More information about semantic patching is available at
>  http://coccinelle.lip6.fr/

Queued up for 3.2
> 
> Signed-off-by: Thomas Meyer <thomas@...3r.de>
> ---
> 
> diff -u -p a/drivers/xen/xen-pciback/conf_space_header.c b/drivers/xen/xen-pciback/conf_space_header.c
> --- a/drivers/xen/xen-pciback/conf_space_header.c 2011-07-26 00:46:09.730171570 +0200
> +++ b/drivers/xen/xen-pciback/conf_space_header.c 2011-08-01 23:02:39.180421787 +0200
> @@ -187,7 +187,7 @@ static inline void read_dev_bar(struct p
>  
>  	bar_info->val = res[pos].start |
>  			(res[pos].flags & PCI_REGION_FLAG_MASK);
> -	bar_info->len_val = res[pos].end - res[pos].start + 1;
> +	bar_info->len_val = resource_size(&res[pos]);
>  }
>  
>  static void *bar_init(struct pci_dev *dev, int offset)
> 
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@...ts.xensource.com
> http://lists.xensource.com/xen-devel
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