From fcc8d6721cef2158398139d66cc99b5e843126a0 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 4 Aug 2010 13:50:27 +0100 Subject: [PATCH] drm/i915/sdvo: Check for allocation failure when constructing properties Signed-off-by: Chris Wilson Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/intel_sdvo.c | 40 +++++++++++++++++++++++++++++++++++++-- 1 file changed, 38 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index ce8e4432d1c..72fec054c26 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1687,8 +1687,8 @@ static int intel_sdvo_get_modes(struct drm_connector *connector) return !list_empty(&connector->probed_modes); } -static -void intel_sdvo_destroy_enhance_property(struct drm_connector *connector) +static void +intel_sdvo_destroy_enhance_property(struct drm_connector *connector) { struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector); struct drm_device *dev = connector->dev; @@ -2104,6 +2104,7 @@ intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type) return true; err: + intel_sdvo_destroy_enhance_property(connector); kfree(intel_sdvo_connector); return false; } @@ -2178,6 +2179,7 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device) return true; err: + intel_sdvo_destroy_enhance_property(connector); kfree(intel_sdvo_connector); return false; } @@ -2269,6 +2271,8 @@ static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo, intel_sdvo_connector->tv_format_property = drm_property_create(dev, DRM_MODE_PROP_ENUM, "mode", intel_sdvo_connector->format_supported_num); + if (!intel_sdvo_connector->tv_format_property) + return false; for (i = 0; i < intel_sdvo_connector->format_supported_num; i++) drm_property_add_enum( @@ -2321,14 +2325,21 @@ static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, intel_sdvo_connector->left_property = drm_property_create(dev, DRM_MODE_PROP_RANGE, "left_margin", 2); + if (!intel_sdvo_connector->left_property) + return false; + intel_sdvo_connector->left_property->values[0] = 0; intel_sdvo_connector->left_property->values[1] = data_value[0]; drm_connector_attach_property(connector, intel_sdvo_connector->left_property, intel_sdvo_connector->left_margin); + intel_sdvo_connector->right_property = drm_property_create(dev, DRM_MODE_PROP_RANGE, "right_margin", 2); + if (!intel_sdvo_connector->right_property) + return false; + intel_sdvo_connector->right_property->values[0] = 0; intel_sdvo_connector->right_property->values[1] = data_value[0]; drm_connector_attach_property(connector, @@ -2355,14 +2366,21 @@ static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, intel_sdvo_connector->top_property = drm_property_create(dev, DRM_MODE_PROP_RANGE, "top_margin", 2); + if (!intel_sdvo_connector->top_property) + return false; + intel_sdvo_connector->top_property->values[0] = 0; intel_sdvo_connector->top_property->values[1] = data_value[0]; drm_connector_attach_property(connector, intel_sdvo_connector->top_property, intel_sdvo_connector->top_margin); + intel_sdvo_connector->bottom_property = drm_property_create(dev, DRM_MODE_PROP_RANGE, "bottom_margin", 2); + if (!intel_sdvo_connector->bottom_property) + return false; + intel_sdvo_connector->bottom_property->values[0] = 0; intel_sdvo_connector->bottom_property->values[1] = data_value[0]; drm_connector_attach_property(connector, @@ -2388,6 +2406,9 @@ static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, intel_sdvo_connector->hpos_property = drm_property_create(dev, DRM_MODE_PROP_RANGE, "hpos", 2); + if (!intel_sdvo_connector->hpos_property) + return false; + intel_sdvo_connector->hpos_property->values[0] = 0; intel_sdvo_connector->hpos_property->values[1] = data_value[0]; drm_connector_attach_property(connector, @@ -2413,6 +2434,9 @@ static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, intel_sdvo_connector->vpos_property = drm_property_create(dev, DRM_MODE_PROP_RANGE, "vpos", 2); + if (!intel_sdvo_connector->vpos_property) + return false; + intel_sdvo_connector->vpos_property->values[0] = 0; intel_sdvo_connector->vpos_property->values[1] = data_value[0]; drm_connector_attach_property(connector, @@ -2438,6 +2462,9 @@ static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, intel_sdvo_connector->saturation_property = drm_property_create(dev, DRM_MODE_PROP_RANGE, "saturation", 2); + if (!intel_sdvo_connector->saturation_property) + return false; + intel_sdvo_connector->saturation_property->values[0] = 0; intel_sdvo_connector->saturation_property->values[1] = data_value[0]; @@ -2462,6 +2489,9 @@ static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, intel_sdvo_connector->contrast_property = drm_property_create(dev, DRM_MODE_PROP_RANGE, "contrast", 2); + if (!intel_sdvo_connector->contrast_property) + return false; + intel_sdvo_connector->contrast_property->values[0] = 0; intel_sdvo_connector->contrast_property->values[1] = data_value[0]; drm_connector_attach_property(connector, @@ -2485,6 +2515,9 @@ static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, intel_sdvo_connector->hue_property = drm_property_create(dev, DRM_MODE_PROP_RANGE, "hue", 2); + if (!intel_sdvo_connector->hue_property) + return false; + intel_sdvo_connector->hue_property->values[0] = 0; intel_sdvo_connector->hue_property->values[1] = data_value[0]; @@ -2510,6 +2543,9 @@ static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, intel_sdvo_connector->brightness_property = drm_property_create(dev, DRM_MODE_PROP_RANGE, "brightness", 2); + if (!intel_sdvo_connector->brightness_property) + return false; + intel_sdvo_connector->brightness_property->values[0] = 0; intel_sdvo_connector->brightness_property->values[1] = data_value[0]; -- 2.11.4.GIT