modify nuttx bug of lack of files

2021-06-11 11:25:07 +08:00
parent 4a7f51a5e9
commit 6d0f2ca39a
6752 changed files with 1528133 additions and 0 deletions
@@ -0,0 +1,72 @@
+/****************************************************************************
+ * 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;
+}