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authorSeung-Woo Kim <sw0312.kim@samsung.com>2011-11-04 17:31:41 +0900
committerInki Dae <inki.dae@samsung.com>2011-11-15 14:58:46 +0900
commitb0e0f85631f9d905095d2896a952430f5eb0aba1 (patch)
treee1a6a6cc4c8aaf07d4afe531dd3f11997885f789 /drivers/gpu
parentd2716c896d305fb5d3d0d7f58394c17841ed2967 (diff)
downloadop-kernel-dev-b0e0f85631f9d905095d2896a952430f5eb0aba1.zip
op-kernel-dev-b0e0f85631f9d905095d2896a952430f5eb0aba1.tar.gz
drm/exynos: checked for null pointer
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_encoder.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index f15da95..866f419 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -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
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