From: Subbaraya Sundeep Bhatta <[email protected]> 3.12-stable review patch. If anyone has any objections, please let me know.
=============== commit 76e838c9f7765f9a6205b4d558d75a66104bc60d upstream. We need to return error to caller if command is not sent to controller succesfully. Signed-off-by: Subbaraya Sundeep Bhatta <[email protected]> Fixes: 72246da40f37 (usb: Introduce DesignWare USB3 DRD Driver) Signed-off-by: Felipe Balbi <[email protected]> Signed-off-by: Jiri Slaby <[email protected]> --- 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 eb678c5300a6..346140c55430 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -337,6 +337,8 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, if (!(reg & DWC3_DEPCMD_CMDACT)) { dev_vdbg(dwc->dev, "Command Complete --> %d\n", DWC3_DEPCMD_STATUS(reg)); + if (DWC3_DEPCMD_STATUS(reg)) + return -EINVAL; return 0; } -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
