diff -r 7e5c1a14eff3 src/devices/wifi/minstrel-wifi-manager.cc
--- a/src/devices/wifi/minstrel-wifi-manager.cc	Wed Sep 15 20:43:31 2010 -0700
+++ b/src/devices/wifi/minstrel-wifi-manager.cc	Thu Sep 16 14:30:07 2010 +1000
@@ -525,7 +525,7 @@
             }
 
           /// error check
-          if (idx >= m_nsupported || idx < 0)
+          if (idx >= m_nsupported)
             {
               NS_LOG_DEBUG ("ALERT!!! ERROR");
             }