From: Jassi Brar <jaswinder.singh@xxxxxxxxxx> We must return 0 for any OUT setup request, otherwise protocol error may occur. Signed-off-by: Jassi Brar <jaswinder.singh@xxxxxxxxxx> --- drivers/usb/gadget/function/f_acm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c index aad8165..14d9e28 100644 --- a/drivers/usb/gadget/function/f_acm.c +++ b/drivers/usb/gadget/function/f_acm.c @@ -364,7 +364,7 @@ static int acm_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl) || w_index != acm->ctrl_id) goto invalid; - value = w_length; + value = 0; cdev->gadget->ep0->driver_data = acm; req->complete = acm_complete_set_line_coding; break; -- 1.9.1 -- 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