Merge "TestNetworkService: add missing return statement" am: a530228ecd

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2161641

Change-Id: Ia682751e56ddea3999754f557b719fe07a66c42c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/service/jni/com_android_server_TestNetworkService.cpp b/service/jni/com_android_server_TestNetworkService.cpp
index 9c7a761..a6efbc6 100644
--- a/service/jni/com_android_server_TestNetworkService.cpp
+++ b/service/jni/com_android_server_TestNetworkService.cpp
@@ -97,6 +97,7 @@
     ScopedUtfChars iface(env, jIface);
     if (!iface.c_str()) {
         jniThrowNullPointerException(env, "iface");
+        return;
     }
     setTunTapCarrierEnabledImpl(env, iface.c_str(), tunFd, enabled);
 }