From: Vahram Aharonyan <[email protected]> Replaced the WARN_ON with a check and return of -EINVAL in the dwc2_hsotg_ep_enable function if ep0 is passed in.
Signed-off-by: Vahram Aharonyan <[email protected]> Signed-off-by: John Youn <[email protected]> --- drivers/usb/dwc2/gadget.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 818f158..d330190 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2631,7 +2631,10 @@ static int dwc2_hsotg_ep_enable(struct usb_ep *ep, desc->wMaxPacketSize, desc->bInterval); /* not to be called for EP0 */ - WARN_ON(index == 0); + if (index == 0) { + dev_err(hsotg->dev, "%s: called for EP 0\n", __func__); + return -EINVAL; + } dir_in = (desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) ? 1 : 0; if (dir_in != hs_ep->dir_in) { -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
