drm/exynos: remove needless error handling to property.

This patch removes property error handling. because property couldn't be NULL.
Signed-off-by: NEunchul Kim <chulspro.kim@samsung.com>
Signed-off-by: NInki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/exynos_drm_fimc.c

@@ -705,10 +705,6 @@ static int fimc_src_set_addr(struct device *dev,
 	}
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property.\n");
-		return -EINVAL;
-	}
 
 	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
 		property->prop_id, buf_id, buf_type);
@@ -1241,10 +1237,6 @@ static int fimc_dst_set_addr(struct device *dev,
 	}
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property.\n");
-		return -EINVAL;
-	}
 
 	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
 		property->prop_id, buf_id, buf_type);
@@ -1573,10 +1565,6 @@ static int fimc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd)
 	}
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property.\n");
-		return -EINVAL;
-	}
 
 	fimc_handle_irq(ctx, true, false, true);
 

drivers/gpu/drm/exynos/exynos_drm_gsc.c

@@ -720,10 +720,6 @@ static int gsc_src_set_addr(struct device *dev,
 	}
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property.\n");
-		return -EFAULT;
-	}
 
 	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
 		property->prop_id, buf_id, buf_type);
@@ -1180,10 +1176,6 @@ static int gsc_dst_set_addr(struct device *dev,
 	}
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property.\n");
-		return -EFAULT;
-	}
 
 	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__,
 		property->prop_id, buf_id, buf_type);
@@ -1565,10 +1557,6 @@ static int gsc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd)
 	}
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property.\n");
-		return -EINVAL;
-	}
 
 	gsc_handle_irq(ctx, true, false, true);
 

drivers/gpu/drm/exynos/exynos_drm_ipp.c

@@ -1487,11 +1487,6 @@ void ipp_sched_cmd(struct work_struct *work)
 	mutex_lock(&c_node->cmd_lock);
 
 	property = &c_node->property;
-	if (!property) {
-		DRM_ERROR("failed to get property:prop_id[%d]\n",
-			c_node->property.prop_id);
-		goto err_unlock;
-	}
 
 	switch (cmd_work->ctrl) {
 	case IPP_CTRL_PLAY: