On Mon, Jul 20, 2020 at 05:45 PM CEST, David Ahern wrote: > On 7/20/20 3:14 AM, Jakub Sitnicki wrote: >> I realize it's a code move, but fd == 0 is a valid descriptor number. > > this follows the decision made for devmap entries in that fd == 0 is NOT > a valid program fd. Surprising. Thanks for clarifying.