[PATCH usb v4 04/27] host: ehci-w90x900: remove duplicate check on resource

From: varkabhadram
Date: Mon Nov 03 2014 - 21:22:27 EST


From: Varka Bhadram <varkabhadram@xxxxxxxxx>

Sanity check on resource happening with devm_ioremap_resource().

Signed-off-by: Varka Bhadram <varkab@xxxxxxx>
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/host/ehci-w90x900.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c
index a9303af..4717bf2 100644
--- a/drivers/usb/host/ehci-w90x900.c
+++ b/drivers/usb/host/ehci-w90x900.c
@@ -42,27 +42,20 @@ static int usb_w90x900_probe(const struct hc_driver *driver,
int retval = 0, irq;
unsigned long val;

-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- retval = -ENXIO;
- goto err1;
- }
-
hcd = usb_create_hcd(driver, &pdev->dev, "w90x900 EHCI");
if (!hcd) {
retval = -ENOMEM;
goto err1;
}

- hcd->rsrc_start = res->start;
- hcd->rsrc_len = resource_size(res);
-
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
hcd->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(hcd->regs)) {
retval = PTR_ERR(hcd->regs);
goto err2;
}
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = resource_size(res);

ehci = hcd_to_ehci(hcd);
ehci->caps = hcd->regs;
--
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/