media: ir_toy: free before error exiting

Fix leak in error path.

Signed-off-by: Peiwei Hu <jlu.hpw@foxmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/rc/ir_toy.c

@@ -458,7 +458,7 @@ static int irtoy_probe(struct usb_interface *intf,
 	err = usb_submit_urb(irtoy->urb_in, GFP_KERNEL);
 	if (err != 0) {
 		dev_err(irtoy->dev, "fail to submit in urb: %d\n", err);
-		return err;
+		goto free_rcdev;
 	}
 
 	err = irtoy_setup(irtoy);