powerpc/gamecube/wii: delete unneeded test before of_node_put

Simplify the error path to avoid calling of_node_put when it is not needed.

Signed-off-by: Julia Lawall <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>

arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c

···
 	np = of_find_compatible_node(NULL, NULL, "nintendo,flipper-exi");
 	if (!np) {
 		udbg_printf("%s: EXI node not found\n", __func__);
-		goto done;
+		goto out;
 	}
 
 	exi_io_base = ug_udbg_setup_exi_io_base(np);
···
 	}
 
 done:
-	if (np)
-		of_node_put(np);
+	of_node_put(np);
+out:
 	return;
 }