nuttx/net/netdev/netdev_verify.c
Alin Jerpelea 37d5c1b0d9 net: Author Gregory Nutt: update licenses to Apache
Gregory Nutt has submitted the SGA and we can migrate the licenses
 to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-02-20 00:38:18 -08:00

73 lines
2.2 KiB
C

/****************************************************************************
* net/netdev/netdev_verify.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 <stdbool.h>
#include <nuttx/net/netdev.h>
#include "utils/utils.h"
#include "netdev/netdev.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: netdev_verify
*
* Description:
* Verify that the specified device still exists
*
* Assumptions:
* The caller has locked the network.
*
****************************************************************************/
bool netdev_verify(FAR struct net_driver_s *dev)
{
FAR struct net_driver_s *chkdev;
bool valid = false;
/* Search the list of registered devices */
net_lock();
for (chkdev = g_netdevices; chkdev != NULL; chkdev = chkdev->flink)
{
/* Is the network device that we are looking for? */
if (chkdev == dev)
{
/* Yes.. return true */
valid = true;
break;
}
}
net_unlock();
return valid;
}