net: phy_notify_subscribe call phy_notify_unsubscribe if sigev_notify equals SIGEV_NONE

This commit is contained in:
Xiang Xiao 2020-03-08 01:07:26 +08:00 committed by Gregory Nutt
parent 3a7bf78c56
commit 553585a000

View File

@ -1,35 +1,20 @@
/****************************************************************************
* drivers/net/phy_notify.c
*
* Copyright (C) 2014, 2017 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
* 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
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* http://www.apache.org/licenses/LICENSE-2.0
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* 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.
*
****************************************************************************/
@ -132,7 +117,8 @@ static sem_t g_notify_clients_sem = SEM_INITIALIZER(1);
/* This is a array the hold information for each PHY notification client */
static struct phy_notify_s g_notify_clients[CONFIG_PHY_NOTIFICATION_NCLIENTS];
static struct phy_notify_s
g_notify_clients[CONFIG_PHY_NOTIFICATION_NCLIENTS];
/****************************************************************************
* Private Functions
@ -290,6 +276,13 @@ int phy_notify_subscribe(FAR const char *intf, pid_t pid,
phyinfo("Actual PID=%d\n", pid);
}
/* Unsubscribe if sigev_notify field equals SIGEV_NONE */
if (event->sigev_notify == SIGEV_NONE)
{
return phy_notify_unsubscribe(intf, pid);
}
/* Check if this client already exists */
client = phy_find_assigned(intf, pid);