drm: Use a flexible array member for blob property data

The blob property data is always allocated immediately after the object header. No need for the extra indirection when accessing it, just use a flexible array member. Signed-off-by: Ville Syrjälä <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
chewitt · Mar 15, 2012 · d63f5e6 · d63f5e6
1 parent 6bfc56a
commit d63f5e6
Show file tree

Hide file tree

Showing 2 changed files with 1 addition and 2 deletions.
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
@@ -2943,7 +2943,6 @@ static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev
 		return NULL;
 	}
 
-	blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
 	blob->length = length;
 
 	memcpy(blob->data, data, length);

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
@@ -257,7 +257,7 @@ struct drm_property_blob {
 	struct drm_mode_object base;
 	struct list_head head;
 	unsigned int length;
-	void *data;
+	unsigned char data[];
 };
 
 struct drm_property_enum {