[090/251] usb: dwc3: gadget: dont prevent gadget from being probed if we fail

[Steven Rostedt]

3.6.11.9-rc1 stable review patch.
If anyone has any objections, please let me know.

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

From: Felipe Balbi <balbi@xxxxxx>

[ Upstream commit cdcedd6981194e511cc206887db661d016069d68 ]

In case we fail our ->udc_start() callback, we
should be ready to accept another modprobe following
the failed one.

We had forgotten to clear dwc->gadget_driver back
to NULL and, because of that, we were preventing
gadget driver modprobe from being retried.

Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
 drivers/usb/dwc3/gadget.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 8212dbb..234305a 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1558,6 +1558,7 @@ err1:
 	__dwc3_gadget_ep_disable(dwc->eps[0]);
 
 err0:
+	dwc->gadget_driver = NULL;
 	spin_unlock_irqrestore(&dwc->lock, flags);
 
 	return ret;
-- 
1.7.10.4


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