--- xnu/xnu-4903.221.2/libkern/c++/OSSerializeBinary.cpp
+++ xnu/xnu-4570.41.2/libkern/c++/OSSerializeBinary.cpp
@@ -75,7 +75,6 @@
 	if (newCapacity >= capacity) 
 	{
 	   newCapacity = (((newCapacity - 1) / capacityIncrement) + 1) * capacityIncrement;
-	   if (newCapacity < capacity) return (false);
 	   if (newCapacity > ensureCapacity(newCapacity)) return (false);
     }
 
@@ -100,7 +99,6 @@
 	if (newCapacity >= capacity) 
 	{
 	   newCapacity = (((newCapacity - 1) / capacityIncrement) + 1) * capacityIncrement;
-	   if (newCapacity < capacity) return (false);
 	   if (newCapacity > ensureCapacity(newCapacity)) return (false);
     }
 
@@ -413,7 +411,7 @@
 				sym = OSDynamicCast(OSSymbol, sym);
 				if (!sym && (str = OSDynamicCast(OSString, str)))
 				{
-				    sym = const_cast<OSSymbol *>(OSSymbol::withString(str));
+				    sym = (OSSymbol *) OSSymbol::withString(str);
                     ok = (sym != 0);
                     if (!ok) break;
 				}