[netdev] Add a non-null judgment to the netstat command.|为 netstat 命令添加非空判断。

2026-09-20 00:45:22 +08:00 · 2019-07-03 22:30:33 +08:00
parent 6da69f6556
commit 04296e97b6
1 changed files with 8 additions and 1 deletions
@@ -1159,7 +1159,14 @@ static void netdev_cmd_netstat(void)
        }
    }

-    netdev->ops->netstat(netdev);
+    if (netdev->ops->netstat != RT_NULL)
+    {
+        netdev->ops->netstat(netdev);
+    }
+    else
+    {
+        rt_kprintf("netstat: this command is not supported!\n");
+    }
 }

 int netdev_netstat(int argc, char **argv)