From 1753a8f83b12aed601ea113f1d6a1af00219b71f Mon Sep 17 00:00:00 2001 From: Subbaraya Sundeep Bhatta Date: Thu, 21 May 2015 15:46:48 +0530 Subject: [PATCH] usb: dwc3: gadget: return error if command sent to DEPCMD register fails We need to return error to caller if command is not sent to controller succesfully. Signed-off-by: Subbaraya Sundeep Bhatta Fixes: 1e90ce98e30b (usb: Introduce DesignWare USB3 DRD Driver) Cc: Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/gadget.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index fcbe120ba8ce9..55b5edc191198 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -330,6 +330,8 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, dwc3_trace(trace_dwc3_gadget, "Command Complete --> %d", DWC3_DEPCMD_STATUS(reg)); + if (DWC3_DEPCMD_STATUS(reg)) + return -EINVAL; return 0; } -- 2.39.5