[PATCH] drm/exynos: fix wrong return check for platform_device_register_simple

[Seung-Woo Kim]

platform_device_register_simple() never returns NULL, but IS_ERR_OR_NULL macro
is used for checking return value in exynos drm driver.

Signed-off-by: Seung-Woo Kim <sw0312.kim at samsung.com>
---
This patch is based on exynos-drm-next branch.

 drivers/gpu/drm/exynos/exynos_drm_drv.c  |    2 +-
 drivers/gpu/drm/exynos/exynos_drm_hdmi.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c 
b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 3da5c2d..488278c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -388,7 +388,7 @@ static int __init exynos_drm_init(void)

        exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1,
                                NULL, 0);
-       if (IS_ERR_OR_NULL(exynos_drm_pdev)) {
+       if (IS_ERR(exynos_drm_pdev)) {
                ret = PTR_ERR(exynos_drm_pdev);
                goto out;
        }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c 
b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index 5285509..6986a1b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -56,7 +56,7 @@ int exynos_platform_device_hdmi_register(void)

        exynos_drm_hdmi_pdev = platform_device_register_simple(
                        "exynos-drm-hdmi", -1, NULL, 0);
-       if (IS_ERR_OR_NULL(exynos_drm_hdmi_pdev))
+       if (IS_ERR(exynos_drm_hdmi_pdev))
                return PTR_ERR(exynos_drm_hdmi_pdev);

        return 0;
-- 
1.7.4.1