diff -r a5496987b1da -r 189ece41fa29 kernel/eka/include/drivers/iic_transaction.inl
--- a/kernel/eka/include/drivers/iic_transaction.inl	Thu Jul 01 17:57:33 2010 +0100
+++ b/kernel/eka/include/drivers/iic_transaction.inl	Fri Jul 09 13:13:20 2010 +0100
@@ -65,7 +65,8 @@
     iHeader(aHeader), iFlags(NULL), iState(EFree), iHalfDuplexTrans(aHdTrans),
     iFullDuplexTrans(NULL), iCallback(NULL)
     {
-    __ASSERT_ALWAYS((((TUint)aPriority<(TUint)KNumTrancPriorities)&&((TUint)aPriority>=0)),Kern::Fault("TIicBusTransaction",__LINE__));
+    //Check that the requested priority is at least zero and less than KNumTrancPriorities.
+    __ASSERT_ALWAYS(((aPriority<KNumTrancPriorities)&&(aPriority>=0)),Kern::Fault("TIicBusTransaction",__LINE__));
     __ASSERT_ALWAYS(aHeader && aHdTrans,Kern::Fault("TIicBusTransaction",__LINE__));
     iKey = aPriority;
     }