-/* returns -E_MOOD_LOADED on _success_ to terminate the loop */
-static int mood_loop(struct osl_row *mood_row, void *data)
+/*
+ * Calls load_mood() and reverts its error value: It returns -E_MOOD_LOADED
+ * on _success_, and 1 on errors. This way the loop over all moods stops at the
+ * first valid mood.
+ */
+static int load_mood_loop_func(struct osl_row *mood_row, void *data)