[PATCH 3.16 148/357] usb: dwc2/gadget: avoid disabling ep0

From: Greg Kroah-Hartman
Date: Fri Oct 03 2014 - 20:38:57 EST


3.16-stable review patch. If anyone has any objections, please let me know.

------------------

From: Robert Baldyga <r.baldyga@xxxxxxxxxxx>

commit 604eac3c0c69e98f2fd0133305f9e777418f1d3b upstream.

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

Signed-off-by: Robert Baldyga <r.baldyga@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/usb/dwc2/gadget.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2896,7 +2896,7 @@ static int s3c_hsotg_udc_stop(struct usb
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);


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