+static int kernel_cmd_free(sd_bus *bus, uint64_t offset)
+{
+ struct kdbus_cmd_free cmd;
+ int r;
+
+ assert(bus);
+
+ cmd.flags = 0;
+ cmd.offset = offset;
+
+ r = ioctl(bus->input_fd, KDBUS_CMD_FREE, &cmd);
+ if (r < 0)
+ return -errno;
+
+ return 0;
+}
+