Index: /lm-sensors/branches/lm-sensors-3.0.0/lib/conf-parse.y
===================================================================
--- /lm-sensors/branches/lm-sensors-3.0.0/lib/conf-parse.y	(revision 4780)
+++ /lm-sensors/branches/lm-sensors-3.0.0/lib/conf-parse.y	(revision 4793)
@@ -158,5 +158,5 @@
 		      sensors_yyerror("Set statement before first chip statement");
 		      free($2);
-		      free($3);
+		      free_expr($3);
 		      YYERROR;
 		    }