From fa01830cad707bc98dc3d28d9ef66d6393bb2018 Mon Sep 17 00:00:00 2001
From: qiyongzhong0 <917768104@qq.com>
Date: Thu, 23 Apr 2020 14:06:03 +0800
Subject: [PATCH] fic bc26_netdev_add

---
 class/bc26/at_device_bc26.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/class/bc26/at_device_bc26.c b/class/bc26/at_device_bc26.c
index 16c5f27..f0cb44a 100644
--- a/class/bc26/at_device_bc26.c
+++ b/class/bc26/at_device_bc26.c
@@ -631,6 +631,12 @@ static struct netdev *bc26_netdev_add(const char *netdev_name)
 #define HWADDR_LEN          8
     struct netdev *netdev = RT_NULL;
 
+    netdev = netdev_get_by_name(netdev_name);
+    if(netdev != RT_NULL)
+    {
+        return(netdev);
+    }
+
     netdev = (struct netdev *)rt_calloc(1, sizeof(struct netdev));
     if (netdev == RT_NULL)
     {