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From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
To: Kees Cook <keescook@chromium.org>, linux-kernel@vger.kernel.org
Cc: dev@openvswitch.org, Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	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 <labbott@redhat.com>,
	linux-kbuild@vger.kernel.org,
	Alexander Popov <alex.popov@linux.com>
Subject: Re: [Intel-wired-lan] [PATCH 1/3] treewide: Lift switch variables out of switches
Date: Wed, 23 Jan 2019 08:51:38 -0800	[thread overview]
Message-ID: <7d8a6120ea335d74c41a5fba3754518ea60e936e.camel@intel.com> (raw)
In-Reply-To: <20190123110349.35882-2-keescook@chromium.org>

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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:
> 
> fs/fcntl.c: In function ‘send_sigio_to_task’:
> fs/fcntl.c:738:13: warning: statement will never be executed [-
> Wswitch-unreachable]
>    siginfo_t si;
>              ^~
> 
> Signed-off-by: Kees Cook <keescook@chromium.org>

Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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(-)


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  parent reply	other threads:[~2019-01-23 16:50 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-23 11:03 [PATCH 0/3] gcc-plugins: Introduce stackinit plugin Kees Cook
2019-01-23 11:03 ` [PATCH 1/3] treewide: Lift switch variables out of switches Kees Cook
2019-01-23 11:58   ` Greg KH
2019-01-23 12:09     ` Jann Horn
2019-01-23 12:12       ` Ard Biesheuvel
2019-01-23 13:21       ` William Kucharski
2019-01-23 14:17     ` [Intel-gfx] " Jani Nikula
2019-01-23 14:23       ` Jani Nikula
2019-01-23 14:47       ` Edwin Zimmerman
2019-01-23 15:46         ` Jani Nikula
2019-01-23 18:55           ` Kees Cook
2019-01-24  8:10             ` Greg KH
2019-01-23 19:18       ` Matthew Wilcox
2019-01-23 20:36         ` Kees Cook
2019-01-23 16:51   ` Jeff Kirsher [this message]
2019-01-24 12:58   ` Edwin Zimmerman
2019-01-23 11:03 ` [PATCH 2/3] gcc-plugins: Introduce stackinit plugin Kees Cook
2019-01-23 11:03 ` [PATCH 3/3] lib: Introduce test_stackinit module Kees Cook
2019-01-29  0:12 ` [PATCH 0/3] gcc-plugins: Introduce stackinit plugin Alexander Popov
2019-02-12 17:54   ` Kees Cook

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