From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1A38C282C2 for ; Wed, 23 Jan 2019 16:50:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AD4572085A for ; Wed, 23 Jan 2019 16:50:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726849AbfAWQuj (ORCPT ); Wed, 23 Jan 2019 11:50:39 -0500 Received: from mga18.intel.com ([134.134.136.126]:19565 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725871AbfAWQuh (ORCPT ); Wed, 23 Jan 2019 11:50:37 -0500 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Jan 2019 08:50:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,512,1539673200"; d="asc'?scan'208";a="312849120" Received: from jtkirshe-desk1.jf.intel.com ([134.134.177.96]) by fmsmga006.fm.intel.com with ESMTP; 23 Jan 2019 08:50:36 -0800 Message-ID: <7d8a6120ea335d74c41a5fba3754518ea60e936e.camel@intel.com> Subject: Re: [Intel-wired-lan] [PATCH 1/3] treewide: Lift switch variables out of switches From: Jeff Kirsher Reply-To: jeffrey.t.kirsher@intel.com To: Kees Cook , linux-kernel@vger.kernel.org Cc: dev@openvswitch.org, Ard Biesheuvel , netdev@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mm@kvack.org, linux-security-module@vger.kernel.org, kernel-hardening@lists.openwall.com, intel-wired-lan@lists.osuosl.org, linux-fsdevel@vger.kernel.org, xen-devel@lists.xenproject.org, Laura Abbott , linux-kbuild@vger.kernel.org, Alexander Popov Date: Wed, 23 Jan 2019 08:51:38 -0800 In-Reply-To: <20190123110349.35882-2-keescook@chromium.org> References: <20190123110349.35882-1-keescook@chromium.org> <20190123110349.35882-2-keescook@chromium.org> Organization: Intel Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-ckUn9AFZsnGNoWsnxDog" User-Agent: Evolution 3.30.4 (3.30.4-1.fc29) Mime-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org --=-ckUn9AFZsnGNoWsnxDog Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2019-01-23 at 03:03 -0800, Kees Cook wrote: > Variables declared in a switch statement before any case statements > cannot be initialized, so move all instances out of the switches. > After this, future always-initialized stack variables will work > and not throw warnings like this: >=20 > fs/fcntl.c: In function =E2=80=98send_sigio_to_task=E2=80=99: > fs/fcntl.c:738:13: warning: statement will never be executed [- > Wswitch-unreachable] > siginfo_t si; > ^~ >=20 > Signed-off-by: Kees Cook Acked-by: Jeff Kirsher For the e1000 changes. > --- > arch/x86/xen/enlighten_pv.c | 7 ++++--- > drivers/char/pcmcia/cm4000_cs.c | 2 +- > drivers/char/ppdev.c | 20 ++++++++--------- > -- > drivers/gpu/drm/drm_edid.c | 4 ++-- > drivers/gpu/drm/i915/intel_display.c | 2 +- > drivers/gpu/drm/i915/intel_pm.c | 4 ++-- > drivers/net/ethernet/intel/e1000/e1000_main.c | 3 ++- > drivers/tty/n_tty.c | 3 +-- > drivers/usb/gadget/udc/net2280.c | 5 ++--- > fs/fcntl.c | 3 ++- > mm/shmem.c | 5 +++-- > net/core/skbuff.c | 4 ++-- > net/ipv6/ip6_gre.c | 4 ++-- > net/ipv6/ip6_tunnel.c | 4 ++-- > net/openvswitch/flow_netlink.c | 7 +++---- > security/tomoyo/common.c | 3 ++- > security/tomoyo/condition.c | 7 ++++--- > security/tomoyo/util.c | 4 ++-- > 18 files changed, 45 insertions(+), 46 deletions(-) --=-ckUn9AFZsnGNoWsnxDog Content-Type: application/pgp-signature; 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