From: Varka Bhadram <varkabhad...@gmail.com>
Sanity check on resource happening with devm_ioremap_resource().
Also fix in accessing NULL if resource didn't get.
Signed-off-by: Varka Bhadram <var...@cdac.in>
Acked-by: Alan Stern <st...@rowland.harvard.edu>
---
drivers/usb/host/uhci-platform.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c
index b987f1d..081330c 100644
--- a/drivers/usb/host/uhci-platform.c
+++ b/drivers/usb/host/uhci-platform.c
@@ -86,14 +86,15 @@ static int uhci_hcd_platform_probe(struct platform_device
*pdev)
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- hcd->rsrc_start = res->start;
- hcd->rsrc_len = resource_size(res);
-
hcd->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(hcd->regs)) {
ret = PTR_ERR(hcd->regs);
goto err_rmr;
}
+
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = resource_size(res);
+
uhci = hcd_to_uhci(hcd);
uhci->regs = hcd->regs;
--
1.7.9.5
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