linux-kernel - Re: [PATCH 19/19] drivers/usb/core: use for_each_pci

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Date:	Sun, 4 Jul 2010 09:18:34 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Kulikov Vasiliy <segooon@...il.com>
cc:	Kernel Janitors <kernel-janitors@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, <linux-usb@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 19/19] drivers/usb/core: use for_each_pci_dev()

On Sat, 3 Jul 2010, Kulikov Vasiliy wrote:

> Use for_each_pci_dev() to simplify the code.
> 
> Signed-off-by: Kulikov Vasiliy <segooon@...il.com>
> ---
>  drivers/usb/core/hcd-pci.c |    5 +----
>  1 files changed, 1 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
> index 7e2d527..c1f0bba 100644
> --- a/drivers/usb/core/hcd-pci.c
> +++ b/drivers/usb/core/hcd-pci.c
> @@ -66,10 +66,7 @@ static void companion_common(struct pci_dev *pdev, struct usb_hcd *hcd,
>  	 * vice versa.
>  	 */
>  	companion = NULL;
> -	for (;;) {
> -		companion = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, companion);
> -		if (!companion)
> -			break;
> +	for_each_pci_dev(companion) {
>  		if (companion->bus != pdev->bus ||
>  				PCI_SLOT(companion->devfn) != slot)
>  			continue;

Acked-by: Alan Stern <stern@...land.harvard.edu>

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