Fix #28722: Segfault when reading volumetric clouds example

Added checking for voxel data isn't NULL.

diff --git a/source/blender/blenlib/intern/bpath.c b/source/blender/blenlib/intern/bpath.c
index 654ade8955f800325babc610b1a7c3c4f5c54649..1c5aab7659dfc011ab05e787bb91a63ec0821a12 100644 (file)
--- a/source/blender/blenlib/intern/bpath.c
+++ b/source/blender/blenlib/intern/bpath.c
@@ -244,7 +244,7 @@ static struct Tex *tex_stepdata__internal(struct Tex *tex, const int step_next,
                tex= tex->id.next;
 
        while (tex) {
-               if (tex->type == TEX_VOXELDATA && TEX_VD_IS_SOURCE_PATH(tex->vd->file_format))
+               if (tex->type == TEX_VOXELDATA && tex->vd && TEX_VD_IS_SOURCE_PATH(tex->vd->file_format))
                        break;
                /* image is not a image with a path, skip it */
                tex= tex->id.next;