Prevent NULL dereference in tablet_tool handler
In case a tool was removed, but not yet destroyed by the client, the
tool_client's tool can be NULL. We have to check that as well in the
set_cursor handler to prevent using inert resources
@@ -23,7 +23,7 @@ static void handle_tablet_tool_v2_set_cursor(struct wl_client *client,
struct wl_resource *surface_resource,
int32_t hotspot_x, int32_t hotspot_y) {
struct wlr_tablet_tool_client_v2 *tool = tablet_tool_client_from_resource(resource);
- if (!tool) {
+ if (!tool || !tool->tool) {
return;
}
