[PATCH] drm/exynos: fix error return code in exynos_drm_load()

[Wei Yongjun]

From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

Fix to return -ENOMEM in the exynos_plane_init() error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/exynos/exynos_drm_drv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index ba6d995..3a10373 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -91,8 +91,10 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
 		unsigned int possible_crtcs = (1 << MAX_CRTC) - 1;
 
 		plane = exynos_plane_init(dev, possible_crtcs, false);
-		if (!plane)
+		if (!plane) {
+			ret = -ENOMEM;
 			goto err_release_iommu_mapping;
+		}
 	}
 
 	ret = drm_vblank_init(dev, MAX_CRTC);

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