incubator-nuttx/fs/driver/fs_closemtddriver.c

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/****************************************************************************
* fs/driver/fs_closemtddriver.c
*
* 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 <errno.h>
#include <nuttx/fs/fs.h>
#include "inode/inode.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: close_mtddriver
*
* Description:
* Release the inode got by function find_mtddriver()
*
* Input Parameters:
* pinode - pointer to the inode
*
* Returned Value:
* Returns zero on success or a negated errno on failure:
*
* EINVAL - inode is NULL
*
****************************************************************************/
#ifdef CONFIG_MTD
int close_mtddriver(FAR struct inode *pinode)
{
/* Sanity checks */
if (pinode == NULL)
{
return -EINVAL;
}
inode_release(pinode);
return OK;
}
#else
int close_mtddriver(FAR struct inode *pinode)
{
return -ENODEV;
}
#endif /* CONFIG_MTD */