We need to return error to caller if command is not sent to controller succesfully. Signed-off-by: Subbaraya Sundeep Bhatta <sbhatta@xxxxxxxxxx> Fixes: 72246da40f37 (usb: Introduce DesignWare USB3 DRD Driver) Cc: <stable@xxxxxxxxxxxxxxx> --- v2 changes: Added Fixes and Cc in commit message. drivers/usb/dwc3/gadget.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index fcbe120..55b5edc 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; } -- 1.7.4 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html