[PATCH 3.16 145/357] usb: dwc2/gadget: break infinite loop in endpoint disable code

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

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

From: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>

commit e0cbe595db72b037260bbda77106f6811a1ebb1d upstream.

This patch fixes possible freeze caused by infinite loop in interrupt
context.

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

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

--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -1650,6 +1650,7 @@ static void s3c_hsotg_txfifo_flush(struc
 			dev_err(hsotg->dev,
 				"%s: timeout flushing fifo (GRSTCTL=%08x)\n",
 				__func__, val);
+			break;
 		}
 
 		udelay(1);


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