๐Ÿ“ฆ apache / nuttx

๐Ÿ“„ fs_unregisterdriver.c ยท 68 lines
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68/****************************************************************************
 * fs/driver/fs_unregisterdriver.c
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>

#include <nuttx/fs/fs.h>

#include "inode/inode.h"
#include "vfs/vfs.h"

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: unregister_driver
 *
 * Description:
 *   Remove the character driver inode at 'path' from the pseudo-file system
 *
 ****************************************************************************/

int unregister_driver(FAR const char *path)
{
  int ret;

  /* Call unlink to release driver resource and inode. */

  ret = nx_unlink(path);
  if (ret >= 0)
    {
      return ret;
    }

  /* If unlink failed, only remove inode. */

  inode_lock();
  ret = inode_remove(path);
  inode_unlock();
#ifdef CONFIG_FS_NOTIFY
  notify_unlink(path);
#endif
  return ret;
}