[PATCH] spi: clean up controller registration return value

[Johan Hovold <johan@kernel.org>]

Return explicit zero on successful controller registration to make the
code more readable.

Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/spi/spi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 104279858f56..5f57de24b9f7 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -3552,7 +3552,8 @@ int spi_register_controller(struct spi_controller *ctlr)
 	/* Register devices from the device tree and ACPI */
 	of_register_spi_devices(ctlr);
 	acpi_register_spi_devices(ctlr);
-	return status;
+
+	return 0;
 
 del_ctrl:
 	device_del(&ctlr->dev);
@@ -3560,6 +3561,7 @@ int spi_register_controller(struct spi_controller *ctlr)
 	mutex_lock(&board_lock);
 	idr_remove(&spi_controller_idr, ctlr->bus_num);
 	mutex_unlock(&board_lock);
+
 	return status;
 }
 EXPORT_SYMBOL_GPL(spi_register_controller);
-- 
2.53.0