--- IO-AIO/AIO.xs	2009/04/21 20:06:05	1.138
+++ IO-AIO/AIO.xs	2009/04/21 20:12:56	1.139
@@ -696,9 +696,6 @@
             svptr = SvGROW (data, len + dataoffset + 1);
           }
 
-        if (len < 0)
-          croak ("length must not be negative");
-
         {
           dREQ;