src/windows/native/java/net/Inet4AddressImpl.c

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@@ -140,14 +140,19 @@
 
     jobjectArray ret = NULL;
 
     if (!initialized) {
       ni_iacls = (*env)->FindClass(env, "java/net/InetAddress");
+      CHECK_NULL_RETURN(ni_iacls, NULL);
       ni_iacls = (*env)->NewGlobalRef(env, ni_iacls);
+      CHECK_NULL_RETURN(ni_iacls, NULL);
       ni_ia4cls = (*env)->FindClass(env, "java/net/Inet4Address");
+      CHECK_NULL_RETURN(ni_ia4cls, NULL);
       ni_ia4cls = (*env)->NewGlobalRef(env, ni_ia4cls);
+      CHECK_NULL_RETURN(ni_ia4cls, NULL);
       ni_ia4ctrID = (*env)->GetMethodID(env, ni_ia4cls, "<init>", "()V");
+      CHECK_NULL_RETURN(ni_ia4ctrID, NULL);
       initialized = 1;
     }
 
     if (IS_NULL(host)) {
         JNU_ThrowNullPointerException(env, "host argument");