src/hotspot/share/logging/logDecorations.cpp

@@ -47,11 +47,11 @@
   const char* host_name = Atomic::load_acquire(&_host_name);
   if (host_name == NULL) {
     char buffer[1024];
     if (os::get_host_name(buffer, sizeof(buffer))) {
       host_name = os::strdup_check_oom(buffer);
-      const char* old_value = Atomic::cmpxchg(host_name, &_host_name, (const char*)NULL);
+      const char* old_value = Atomic::cmpxchg(&_host_name, (const char*)NULL, host_name);
       if (old_value != NULL) {
         os::free((void *) host_name);
         host_name = old_value;
       }
     }

@@ -145,6 +145,5 @@
 
 char* LogDecorations::create_hostname_decoration(char* pos) {
   int written = jio_snprintf(pos, DecorationsBufferSize - (pos - _decorations_buffer), "%s", host_name());
   ASSERT_AND_RETURN(written, pos)
 }
-