src/java.base/unix/native/libnet/ExtendedOptionsImpl.c

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@@ -86,10 +86,11 @@
 
 
     /* SocketFlow fields */
 
     c = (*env)->FindClass(env, "jdk/net/SocketFlow");
+    CHECK_NULL(c);
 
     /* status */
 
     sf_status = (*env)->GetFieldID(env, c, "status",
                                         "Ljdk/net/SocketFlow$Status;");