Commit 5c81abab authored Jun 25, 2012 by Felipe Balbi

usb: dwc3: ep0: prevent starting transfers twice on ep0



In case we try to start an invalid test mode, we
will call dwc3_ep0_stall_and_restart() but we will
also call dwc3_ep0_out_start() which will start
a second transfer on ep0.

Let's prevent any problems by returning early in
the error case.

Signed-off-by: Felipe Balbi <balbi@ti.com>

parent 9be23951

drivers/usb/dwc3/ep0.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -744,6 +744,7 @@ static void dwc3_ep0_complete_status(struct dwc3 *dwc,
		dev_dbg(dwc->dev, "Invalid Test #%d\n",
		dwc->test_mode_nr);
		dwc3_ep0_stall_and_restart(dwc);
		return;
		}
		}