usbcore: fixes for hub_port_resume

Greg:

This patch (as731) makes a couple of small fixes to the hub_port_resume 
routine:

	Don't return status >= 0 when an error occurs;

	Clear the port-change-suspend status indicator after
	resuming a device.

Alan Stern



Signed-off-by: Alan Stern <stern@rowland.harvard.edu>

---

Index: usb-2.6/drivers/usb/core/hub.c
===================================================================
--- usb-2.6.orig/drivers/usb/core/hub.c
+++ usb-2.6/drivers/usb/core/hub.c
@@ -1881,7 +1881,12 @@ hub_port_resume(struct usb_hub *hub, int
 			dev_dbg(hub->intfdev,
 				"port %d status %04x.%04x after resume, %d\n",
 				port1, portchange, devstatus, status);
+			if (status >= 0)
+				status = -ENODEV;
 		} else {
+			if (portchange & USB_PORT_STAT_C_SUSPEND)
+				clear_port_feature(hub->hdev, port1,
+						USB_PORT_FEAT_C_SUSPEND);
 			/* TRSMRCY = 10 msec */
 			msleep(10);
 			if (udev)


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