From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B63F91AB6F1; Wed, 27 May 2026 12:03:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779883418; cv=none; b=t3Ree9xTA1RvlUeIxhogUOrJT897i4ETL2nOOkSctYyl3BJeKlGCbFg3AIbXbMFaU++Zgu7SOgzX8ZJcgOoyAaErmbc0wXjhlR6b2PjzFOQb03mvBGCvN3R9r1K4gi6KDiFSdnxdoMEJa4+YLTYW0tcONONqkHMVws0/jgCeFnA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779883418; c=relaxed/simple; bh=a496n5sTC7BfmYWW6eYgn0TqTm9K39oP4g8vv+LxFjo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KU5WP4IZS6fMHpdeIb7klAuYswl0BkvKKjjY5QYvUIdqXX5v8ki85i5OwiJNdpAVY4f8kw2Ll94e0MozFR7pZUnMI/bKsXuiY+Zdsswbi9Vz3+yvMlBFu5TbNpddo3hcdI6BuNFneilJ7V3sp58pbqfx8gGSx0eJIUmGMlrrb7s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MTlbxlv2; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MTlbxlv2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 56C011F000E9; Wed, 27 May 2026 12:03:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779883417; bh=MgyJIuDX8DjcMC2ItkXGm+xZ0l0lqXTDmtritZLXgZ0=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=MTlbxlv2Ej5I5fbPMMBpHlV8MAjfxrRNflR69autOhX7r3iw+mMialUKnCM9+WQ0p pAQ5NVccVYPbD8en2OImYICzCvZ5OP6RuR9UObs5wfrfuIAAq/oaApKv6akPly1wSN NzrUhAd1bjbWc+nvIzmKuQcY3vhgHN5emDXKImSGQ9nsgDnTbtjS5+Exm/+wvqeVeM 8/3nBfjpyNd9bqR7PNo5WCsfzbgCqVje7NgW+ixrGngucGUADZOe2GfUHDcD7HfUs5 7ejvj8JGYFdL5BBdmbjhHhJyDDkog4QVTh85XB6eJo/+f3cdkcYdV/n7F6D6CzINin nL9y+E5uxg+hg== Date: Wed, 27 May 2026 13:03:29 +0100 From: Simon Horman To: Thorsten Blum Cc: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Amir Goldstein , Tim Bird , Christian Brauner , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next] net/dns_resolver: consolidate namelen checks in dns_query Message-ID: <20260527120329.GL2256768@horms.kernel.org> References: <20260525095400.821912-3-thorsten.blum@linux.dev> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260525095400.821912-3-thorsten.blum@linux.dev> On Mon, May 25, 2026 at 11:54:01AM +0200, Thorsten Blum wrote: > Consolidate the namelen checks and return -EINVAL early if needed. Drop > the namelen == 0 check since it is covered by namelen < 3. > > Signed-off-by: Thorsten Blum Reviewed-by: Simon Horman