surface: fix abort on NULL buffer attach
Fixes: ("surface: drop wlr_surface_state.buffer_resource")
Closes:
@@ -42,11 +42,14 @@ static void surface_handle_attach(struct wl_client *client,
struct wl_resource *buffer_resource, int32_t dx, int32_t dy) {
struct wlr_surface *surface = wlr_surface_from_resource(resource);
- struct wlr_buffer *buffer = wlr_buffer_from_resource(buffer_resource);
+ struct wlr_buffer *buffer = NULL;
+ if (buffer_resource != NULL) {
+ buffer = wlr_buffer_from_resource(buffer_resource);
if (buffer == NULL) {
wl_resource_post_error(buffer_resource, 0, "unknown buffer type");
return;
}
+ }
surface->pending.committed |= WLR_SURFACE_STATE_BUFFER;
surface->pending.dx = dx;
