diff --git a/drivers/spi/spi-butterfly.c b/drivers/spi/spi-butterfly.c
index f520eaa193c5..8fc284d0d7c3 100644
--- a/drivers/spi/spi-butterfly.c
+++ b/drivers/spi/spi-butterfly.c
@@ -289,7 +289,7 @@ static void butterfly_attach(struct parport *p)
 clean1:
 	parport_unregister_device(pd);
 clean0:
-	(void) spi_master_put(pp->bitbang.master);
+	spi_master_put(pp->bitbang.master);
 done:
 	pr_debug("%s: butterfly probe, fail %d\n", p->name, status);
 }
@@ -317,7 +317,7 @@ static void butterfly_detach(struct parport *p)
 	parport_release(pp->pd);
 	parport_unregister_device(pp->pd);
 
-	(void) spi_master_put(pp->bitbang.master);
+	spi_master_put(pp->bitbang.master);
 }
 
 static struct parport_driver butterfly_driver = {