linux-kernel - [PATCH] usb: OHCI/EHCI Use resource

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Message-ID: <1320778228.8062.135.camel@localhost.localdomain>
Date:	Tue, 08 Nov 2011 19:50:28 +0100
From:	Thomas Meyer <thomas@...3r.de>
To:	Alan Stern <stern@...land.harvard.edu>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	"open list:USB OHCI DRIVER" <linux-usb@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: [PATCH] usb: OHCI/EHCI Use resource_size function

From: Thomas Meyer <thomas@...3r.de>

 Use resource_size function on resource object
 instead of explicit computation.

 The semantic patch that makes this change is available
 in scripts/coccinelle/api/resource_size.cocci.

 More information about semantic patching is available at
 http://coccinelle.lip6.fr/

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---

diff -u -p a/drivers/usb/host/ohci-xls.c b/drivers/usb/host/ohci-xls.c
--- a/drivers/usb/host/ohci-xls.c 2011-11-07 19:38:15.467036480 +0100
+++ b/drivers/usb/host/ohci-xls.c 2011-11-08 12:13:16.922398086 +0100
@@ -40,7 +40,7 @@ static int ohci_xls_probe_internal(const
 		goto err1;
 	}
 	hcd->rsrc_start = res->start;
-	hcd->rsrc_len = res->end - res->start + 1;
+	hcd->rsrc_len = resource_size(res);
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
 			driver->description)) {


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