usb: dwc2/gadget: avoid disabling ep0

commit 604eac3c0c69e98f2fd0133305f9e777418f1d3b upstream.

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

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 2d48ffba8bb038ff50e5e91bb65ed53d03e581b3..a0d2f31b30cc4e0e32216ebb1e61accf7f15665c 100644 (file)
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2896,7 +2896,7 @@ 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);