}

                int permits = r.getInitialCredits();
                if ( permits > 0 ) {
                    this.credits.release(permits);
                }
                Arrays.fill(this.sbuf, (byte) 0);
                return new SmbNegotiation(
                    new Smb2NegotiateRequest(
                        getContext().getConfig(),

        if ( this.treeHandle == null || !this.treeHandle.isConnected() ) {
            if ( this.treeHandle != null && this.transportContext.getConfig().isStrictResourceLifecycle() ) {
                this.treeHandle.release();
            }
            this.treeHandle = this.treeConnection.connectWrapException(this.fileLocator);
            this.treeHandle.ensureDFSResolved();

            log.warn("Session was not properly released");
        }
    }


    /**
     * {@inheritDoc}
     *
     * @see java.lang.AutoCloseable#close()
     */
    @Override
    public void close () {
        release();
    }


    /**
     * 
     */
    public void release () {
        long usage = this.usageCount.decrementAndGet();