usb: gadget: f_acm: don't disable disabled EP (e7a0ed3f) · Commits · 戴 / test

Make debugging real problems easier by not trying to disable an EP that was not yet enabled. Reviewed-by:

drivers/usb/gadget/function/f_acm.c

+5 −3

Original line number	Diff line number	Diff line
		@@ -425,9 +425,11 @@ static int acm_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
		/* we know alt == 0, so this is an activation or a reset */

		if (intf == acm->ctrl_id) {
		if (acm->notify->enabled) {
		dev_vdbg(&cdev->gadget->dev,
		"reset acm control interface %d\n", intf);
		usb_ep_disable(acm->notify);
		}

		if (!acm->notify->desc)
		if (config_ep_by_speed(cdev->gadget, f, acm->notify))