xhci-ext-caps.c: Add missing platform_device_put() on error in xhci_create_intel_xhci_sw_pdev()

Add the missing platform_device_put() before return from
xhci_create_intel_xhci_sw_pdev() in the error handling case.

Fixes: 6ed151f2 ("xhci-ext-caps.c: Add property to disable Intel SW switch")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20190905100001.128349-1-weiyongjun1@huawei.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/xhci-ext-caps.c

@@ -57,6 +57,7 @@ static int xhci_create_intel_xhci_sw_pdev(struct xhci_hcd *xhci, u32 cap_offset)
 		ret = platform_device_add_properties(pdev, role_switch_props);
 		if (ret) {
 			dev_err(dev, "failed to register device properties\n");
+			platform_device_put(pdev);
 			return ret;
 		}
 	}