diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index da9c966..2435c27 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -185,6 +185,7 @@
 
     public static final String DIAG_ARG = "--diag";
     public static final String SHORT_ARG = "--short";
+    public static final String TETHERING_ARG = "tethering";
 
     private static final boolean DBG = true;
     private static final boolean VDBG = false;
@@ -1936,7 +1937,7 @@
 
     private boolean argsContain(String[] args, String target) {
         for (String arg : args) {
-            if (arg.equals(target)) return true;
+            if (target.equals(arg)) return true;
         }
         return false;
     }
@@ -1974,6 +1975,9 @@
         if (argsContain(args, DIAG_ARG)) {
             dumpNetworkDiagnostics(pw);
             return;
+        } else if (argsContain(args, TETHERING_ARG)) {
+            mTethering.dump(fd, pw, args);
+            return;
         }
 
         pw.print("NetworkFactories for:");