[PATCH] drm/imx/lcdc: fix a NULL vs IS_ERR() bug in probe

[Dan Carpenter]

The devm_drm_dev_alloc() function returns error pointers.  It never
returns NULL.  Fix the check.

Fixes: c87e859cdeb5 ("drm/imx/lcdc: Implement DRM driver for imx25")
Signed-off-by: Dan Carpenter <erro...@gmail.com>
---
 drivers/gpu/drm/imx/lcdc/imx-lcdc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/imx/lcdc/imx-lcdc.c 
b/drivers/gpu/drm/imx/lcdc/imx-lcdc.c
index 24bc7b310367..fc1a4f6657c5 100644
--- a/drivers/gpu/drm/imx/lcdc/imx-lcdc.c
+++ b/drivers/gpu/drm/imx/lcdc/imx-lcdc.c
@@ -399,8 +399,8 @@ static int imx_lcdc_probe(struct platform_device *pdev)
 
        lcdc = devm_drm_dev_alloc(dev, &imx_lcdc_drm_driver,
                                  struct imx_lcdc, drm);
-       if (!lcdc)
-               return -ENOMEM;
+       if (IS_ERR(lcdc))
+               return PTR_ERR(lcdc);
 
        drm = &lcdc->drm;
 
-- 
2.39.1