am 40af0929: Fix charger mode on first boot of force encrypt devices

    pid = fork();

    if (pid > 0) {

        /* Parent.  Wait for the child to return */

        waitpid(pid, &status, 0);

        int wp_ret = TEMP_FAILURE_RETRY(waitpid(pid, &status, 0));

        if (wp_ret < 0) {

            /* Unexpected error code. We will continue anyway. */

            NOTICE("waitpid failed rc=%d, errno=%d\n", wp_ret, errno);

        }

        if (WIFEXITED(status)) {

            ret = WEXITSTATUS(status);

        } else {