r8152: Run the unload routine if we have errors during probe

The rtl8152_probe() function lacks a call to the chip-specific
unload() routine when it sees an error in probe. Add it in to match
the cleanup code in rtl8152_disconnect().

Fixes: ac718b69 ("net/usb: new driver for RTL8152")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/usb/r8152.c

@@ -9783,6 +9783,8 @@ static int rtl8152_probe(struct usb_interface *intf,
 
 out1:
 	tasklet_kill(&tp->tx_tl);
+	if (tp->rtl_ops.unload)
+		tp->rtl_ops.unload(tp);
 	usb_set_intfdata(intf, NULL);
 out:
 	free_netdev(netdev);