iosys_map_is_set
BUG_ON(iosys_map_is_set(&dmabuf->vmap_ptr));
WARN_ON(iosys_map_is_set(&gbo->map));
if (iter_io->needs_unmap && iosys_map_is_set(&iter_io->dmap)) {
if (!panic->vmap.is_iomem && iosys_map_is_set(&panic->vmap)) {
if (iosys_map_is_set(&panic->vmap))