From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 596731A28C; Fri, 1 Nov 2024 01:32:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730424749; cv=none; b=V6k300dB/z4nplnOWslred9DrCGb4m8CMUm+VGInaAcVDk8Z8rDaQ2cbfwaKYv6SDyDikvh4VuoBGISxXP4836Vcl0k5MmbbXA9fiTFRb6mXldFSE7Ffn7LVNyXehNtG5qnzUyPBgZvF3FwhQn6znTAHM1C3JAsiKQIsZ4DA5sM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730424749; c=relaxed/simple; bh=9w/a/KZVkh9kSiOD5aHkwB10CgeF406ZgvetA8UoLNY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=MMpbB4NnheeBJCHTUgMT4xX0mgpeSqWpFKbEkYXPiHO/mLqlRzTJDnaR0Dpdz8QZhZFlhKiC1TXVxaOMY9YifGk6M+gfkx08XrC2jfEUD6h8/hKjyqZKTGLXRHzxtYh9HPpwUZrXE5eviy2Oh0Gr42Ds+e9DA698LC6mUZK6ZQw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XO3mynuh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XO3mynuh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 579D8C4CEC3; Fri, 1 Nov 2024 01:32:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730424748; bh=9w/a/KZVkh9kSiOD5aHkwB10CgeF406ZgvetA8UoLNY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=XO3mynuhfzQiKT2eJ92oTcmBKM2UEAB4VJ64T5/bBiABHf6uIGDt+4DfeMbwVmppj 0GjB21YZJRMVSuY3+HOAENcDa3LBjFAmpGX54tHhImgCsAvftTkbF0DW1I1Sc+b0Px ZM2rUIl1I6lsFg7Gbyfi8I/XMElpXCsyep8f/F7fwXpnI0AKo4GOKROqLMJK6yHMq5 O4Sr6pa3x4JB8PemlvErJl7plVOU0mb1IcypQvrkEnMdJtb438iPH8bhF6mJy47f1I ST85Ijmfk/PCd6KG1KnLxg0fqMGqTLg3bcDyeRALnmK9miBFPlZaZEAOq3acqEyOCR DxX5Te6RZ+XcA== Date: Thu, 31 Oct 2024 18:32:27 -0700 From: Jakub Kicinski To: Nikita Kiryushin Cc: Sudarsana Kalluru , Manish Chopra , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, lvc-project@linuxtesting.org Subject: Re: [PATCH net-next v2] bnx2x: remove redundant NULL-pointer check Message-ID: <20241031183227.457cd1e5@kernel.org> In-Reply-To: <20241025174209.500712-1-kiryushin@ancud.ru> References: <20241025174209.500712-1-kiryushin@ancud.ru> 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-Transfer-Encoding: 7bit On Fri, 25 Oct 2024 20:42:03 +0300 Nikita Kiryushin wrote: > bnx2x_get_vf_config() contains NULL-pointer checks for > mac_obj and vlan_obj. > > The fields checked are assigned to (after macro expansions): > > mac_obj = &((vf)->vfqs[0].mac_obj); > vlan_obj = &((vf)->vfqs[0].vlan_obj); > > It is impossible to get NULL for those. > > Remove superfluous NULL-pointer check and associated > unreachable code to improve readability. this is an old driver and the 4 saved LoC on the control path don't seem to justify the review effort needed, anyway, sorry. -- pw-bot: reject