From nobody Thu Jan 27 16:13:10 2022 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 2B040198F0EF; Thu, 27 Jan 2022 16:13:13 +0000 (UTC) (envelope-from glebius@freebsd.org) Received: from cell.glebi.us (glebi.us [162.251.186.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "cell.glebi.us", Issuer "cell.glebi.us" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Jl5Gw4qdHz3PdQ; Thu, 27 Jan 2022 16:13:12 +0000 (UTC) (envelope-from glebius@freebsd.org) Received: from cell.glebi.us (localhost [127.0.0.1]) by cell.glebi.us (8.16.1/8.16.1) with ESMTPS id 20RGDA0l048988 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Thu, 27 Jan 2022 08:13:10 -0800 (PST) (envelope-from glebius@freebsd.org) Received: (from glebius@localhost) by cell.glebi.us (8.16.1/8.16.1/Submit) id 20RGDAcL048987; Thu, 27 Jan 2022 08:13:10 -0800 (PST) (envelope-from glebius@freebsd.org) X-Authentication-Warning: cell.glebi.us: glebius set sender to glebius@freebsd.org using -f Date: Thu, 27 Jan 2022 08:13:10 -0800 From: Gleb Smirnoff To: Hans Petter Selasky Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Subject: Re: git: 17cbcf33c3b6 - main - mbuf(9): Assert receive mbufs don't carry a send tag. Message-ID: References: <202201261242.20QCg8jX074972@gitrepo.freebsd.org> List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 4Jl5Gw4qdHz3PdQ X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N On Thu, Jan 27, 2022 at 09:29:51AM +0100, Hans Petter Selasky wrote: H> On 1/27/22 06:16, Gleb Smirnoff wrote: H> > Why do you allow (m == NULL) in the assertion? Does it make any sense to H> > relax it this way? H> H> Because the other M_XXXX assert macros checked for NULL aswell. M_ASSERTPKTHDR() does absolutely the opposite - it asserts that m is present. M_ASSERTEXTPG() doesn't check that explicitly, but also disallows (m == NULL). -- Gleb Smirnoff