comparison of distinct pointer types ('unsigned long *' and 'typeof (tk->last_warning + (250 * 300)) *' (aka 'long *')) [-Werror,-Wcompare-distinct-pointer-types]

comparison of distinct pointer types ('unsigned long *' and 'typeof (tk->last_warning + (250 * 300)) *' (aka 'long *')) [-Werror,-Wcompare-distinct-pointer-types]