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@xxxxxxxxxxx>
---
drivers/usb/host/ohci-s3c2410.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index a68af2d..85df335 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -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");
--
1.7.1
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