/* frees a mac tree node back into the pool  */
void ixEthDBPoolFreeMacTreeNode(MacTreeNode *macNode)
/* frees a mac tree node back into the pool  */
void ixEthDBPoolFreeMacTreeNode(MacTreeNode *macNode)
{
    if (macNode != NULL)
    {
        LOCK_TREE_POOL;
        macNode->nextFree = treePool;
        treePool          = macNode;
        UNLOCK_TREE_POOL;
    }
}