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

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@@ -53,21 +53,27 @@
 
 static jclass ni_iacls;
 static jclass ni_ia4cls;
 static jmethodID ni_ia4ctrID;
 
-static void initializeInetClasses(JNIEnv *env)
+static jboolean initializeInetClasses(JNIEnv *env)
 {
     static int initialized = 0;
     if (!initialized) {
         ni_iacls = (*env)->FindClass(env, "java/net/InetAddress");
+        CHECK_NULL_RETURN(ni_iacls, JNI_FALSE);
         ni_iacls = (*env)->NewGlobalRef(env, ni_iacls);
+        CHECK_NULL_RETURN(ni_iacls, JNI_FALSE);
         ni_ia4cls = (*env)->FindClass(env, "java/net/Inet4Address");
+        CHECK_NULL_RETURN(ni_ia4cls, JNI_FALSE);
         ni_ia4cls = (*env)->NewGlobalRef(env, ni_ia4cls);
+        CHECK_NULL_RETURN(ni_ia4cls, JNI_FALSE);
         ni_ia4ctrID = (*env)->GetMethodID(env, ni_ia4cls, "<init>", "()V");
+        CHECK_NULL_RETURN(ni_ia4ctrID, JNI_FALSE);
         initialized = 1;
     }
+    return JNI_TRUE;
 }
 
 
 #if defined(_ALLBSD_SOURCE) && !defined(HAS_GLIBC_GETHOSTBY_R)
 extern jobjectArray lookupIfLocalhost(JNIEnv *env, const char *hostname, jboolean includeV6);

@@ -139,11 +145,12 @@
     int retLen = 0;
 
     int error=0;
     struct addrinfo hints, *res, *resNew = NULL;
 
-    initializeInetClasses(env);
+    if (!initializeInetClasses(env))
+        return NULL;
 
     if (IS_NULL(host)) {
         JNU_ThrowNullPointerException(env, "host is null");
         return 0;
     }

@@ -398,11 +405,12 @@
     jobjectArray ret = 0;
     int retLen = 0;
     int error = 0;
     struct addrinfo hints, *res, *resNew = NULL;
 
-    initializeInetClasses(env);
+    if (!initializeInetClasses(env))
+        return NULL;
 
     if (IS_NULL(host)) {
         JNU_ThrowNullPointerException(env, "host is null");
         return 0;
     }