[PATCH 4.4 21/58] drm: rcar-du: fix backport bug

From: Greg Kroah-Hartman
Date: Wed Aug 09 2017 - 15:51:09 EST


4.4-stable review patch. If anyone has any objections, please let me know.

------------------

From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

In the backport of commit 4f7b0d263833 ("drm: rcar-du: Simplify and fix
probe error handling"), which is commit 8255d26322a3 in this tree, the
error handling path was incorrect. This patch fixes it up.

Reported-by: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
Cc: thongsyho <thong.ho.px@xxxxxxxxxxxxxxx>
Cc: Nhan Nguyen <nhan.nguyen.yb@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/rcar-du/rcar_du_drv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -296,7 +296,7 @@ static int rcar_du_probe(struct platform
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
rcdu->mmio = devm_ioremap_resource(&pdev->dev, mem);
if (IS_ERR(rcdu->mmio))
- ret = PTR_ERR(rcdu->mmio);
+ return PTR_ERR(rcdu->mmio);

/* DRM/KMS objects */
ddev = drm_dev_alloc(&rcar_du_driver, &pdev->dev);