usb: dwc2/gadget: avoid disabling ep0

Endpoint 0 should not be disabled, so we start loop counter from number 1.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Cc: stable <stable@vger.kernel.org> # 3.16
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 43fd3d5..ce6071d 100644 (file)
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2895,7 +2895,7 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget,
                return -ENODEV;
 
        /* all endpoints should be shutdown */
-       for (ep = 0; ep < hsotg->num_of_eps; ep++)
+       for (ep = 1; ep < hsotg->num_of_eps; ep++)
                s3c_hsotg_ep_disable(&hsotg->eps[ep].ep);
 
        spin_lock_irqsave(&hsotg->lock, flags);