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drm/exynos: checked for null pointer

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Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Seung-Woo Kim 2011-11-04 17:31:41 +09:00 committed by Inki Dae
parent d2716c896d
commit b0e0f85631
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/exynos/exynos_drm_encoder.c
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@ -283,7 +283,8 @@ void exynos_drm_encoder_crtc_mode_set(struct drm_encoder *encoder, void *data)
struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
struct exynos_drm_overlay *overlay = data;
overlay_ops->mode_set(manager->dev, overlay);
if (overlay_ops && overlay_ops->mode_set)
overlay_ops->mode_set(manager->dev, overlay);
}
void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data)
@ -294,7 +295,8 @@ void exynos_drm_encoder_crtc_disable(struct drm_encoder *encoder, void *data)
DRM_DEBUG_KMS("\n");
overlay_ops->disable(manager->dev);
if (overlay_ops && overlay_ops->disable)
overlay_ops->disable(manager->dev);
/*
* crtc is already detached from encoder and last