host: ohci-platform: remove duplicate check on resource
authorVarka Bhadram <varkabhadram@gmail.com>
Tue, 4 Nov 2014 02:21:16 +0000 (07:51 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 7 Nov 2014 17:01:50 +0000 (09:01 -0800)
Sanity check on resource happening with devm_ioremap_resource().

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/ohci-platform.c

index adb691d..9434c1d 100644 (file)
@@ -134,12 +134,6 @@ static int ohci_platform_probe(struct platform_device *dev)
                return irq;
        }
 
-       res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0);
-       if (!res_mem) {
-               dev_err(&dev->dev, "no memory resource provided");
-               return -ENXIO;
-       }
-
        hcd = usb_create_hcd(&ohci_platform_hc_driver, &dev->dev,
                        dev_name(&dev->dev));
        if (!hcd)
@@ -231,14 +225,15 @@ static int ohci_platform_probe(struct platform_device *dev)
                        goto err_reset;
        }
 
-       hcd->rsrc_start = res_mem->start;
-       hcd->rsrc_len = resource_size(res_mem);
-
+       res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0);
        hcd->regs = devm_ioremap_resource(&dev->dev, res_mem);
        if (IS_ERR(hcd->regs)) {
                err = PTR_ERR(hcd->regs);
                goto err_power;
        }
+       hcd->rsrc_start = res_mem->start;
+       hcd->rsrc_len = resource_size(res_mem);
+
        err = usb_add_hcd(hcd, irq, IRQF_SHARED);
        if (err)
                goto err_power;