[PATCH v1 3/3] mailbox: rockchip: Convert to use dev_err_probe()

[Uwe Kleine-König]

From: Uwe Kleine-König <u.kleine-koenig at baylibre.com>

This is more compact in source code and also compiles to smaller code.

Bloat-o-meter reports:

	add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-76 (-76)
	Function                                     old     new   delta
	rockchip_mbox_probe                         1596    1592      -4
	_entry_ptr                                    24      16      -8
	__func__                                      62      42     -20
	_entry                                       132      88     -44
	Total: Before=6693, After=6617, chg -1.14%

Signed-off-by: Uwe Kleine-König <u.kleine-koenig at baylibre.com>
---
 drivers/mailbox/rockchip-mailbox.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mailbox/rockchip-mailbox.c b/drivers/mailbox/rockchip-mailbox.c
index ada2bd419880..790c34a22ec5 100644
--- a/drivers/mailbox/rockchip-mailbox.c
+++ b/drivers/mailbox/rockchip-mailbox.c
@@ -215,9 +215,9 @@ static int rockchip_mbox_probe(struct platform_device *pdev)
 
 	ret = devm_mbox_controller_register(&pdev->dev, &mb->mbox);
 	if (ret < 0)
-		dev_err(&pdev->dev, "Failed to register mailbox: %d\n", ret);
+		return dev_err_probe(&pdev->dev, ret, "Failed to register mailbox\n");
 
-	return ret;
+	return 0;
 }
 
 static struct platform_driver rockchip_mbox_driver = {
-- 
2.55.0.11.g153666a7d9bb