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USB: ohci-s3c2410: use resource_size()

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This patch uses the resource_size help function instead of
manually calculating the resource size. It can reduce the chance
of introducing off-by-one errors.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jingoo Han 2011-04-14 21:09:16 +09:00 committed by Greg Kroah-Hartman
parent e7f84331c2
commit 3c86c07baa
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/host/ohci-s3c2410.c
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@ -353,7 +353,7 @@ static int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
return -ENOMEM;
hcd->rsrc_start = dev->resource[0].start;
hcd->rsrc_len = dev->resource[0].end - dev->resource[0].start + 1;
hcd->rsrc_len = resource_size(&dev->resource[0]);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
dev_err(&dev->dev, "request_mem_region failed\n");