From: Steven Rostedt <rostedt@goodmis.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
"Yann E . MORIN" <yann.morin.1998@free.fr>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Michal Marek <mmarek@suse.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Randy Dunlap <rdunlap@infradead.org>,
stable <stable@vger.kernel.org>
Subject: Re: [PATCH 1/3] Kconfig: disable PROFILE_ALL_BRANCHES for compile testing
Date: Fri, 16 Feb 2018 17:50:11 -0500 [thread overview]
Message-ID: <20180216175011.2f18dfd6@gandalf.local.home> (raw)
In-Reply-To: <CAK8P3a1U-FWXOAut9322BoK3H8drRvHh8E8CcsEq7HG2cv635Q@mail.gmail.com>
On Fri, 16 Feb 2018 23:40:22 +0100
Arnd Bergmann <arnd@arndb.de> wrote:
> ((CAPI_MSG *) msg)->info.facility_req.structs[1] =
> LI_REQ_SILENT_UPDATE & 0xff;
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/isdn/hardware/eicon/message.c:11163:54: error: array subscript
> is above array bounds [-Werror=array-bounds]
> ((CAPI_MSG *) msg)->info.facility_req.structs[2] =
> LI_REQ_SILENT_UPDATE >> 8;
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/isdn/hardware/eicon/message.c:11164:54: error: array subscript
> is above array bounds [-Werror=array-bounds]
> ((CAPI_MSG *) msg)->info.facility_req.structs[3] = 0;
>
> All those are nonsense AFAICT, and we see them only because the "if()" override
> ends up confusing gcc's value-range tracking in the same way it used to cause
> lots of -Wmaybe-uninitialized warnings (which we just disable these days
> with PROFILE_ALL_BRANCHES).
I'm fine with your patch then.
-- Steve
next prev parent reply other threads:[~2018-02-16 22:50 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-16 21:41 [PATCH 0/3] fixing the last failures in randconfig builds Arnd Bergmann
2018-02-16 21:41 ` [PATCH 1/3] Kconfig: disable PROFILE_ALL_BRANCHES for compile testing Arnd Bergmann
2018-02-16 22:03 ` Steven Rostedt
2018-02-16 22:14 ` Arnd Bergmann
2018-02-16 22:40 ` Arnd Bergmann
2018-02-16 22:50 ` Steven Rostedt [this message]
2018-02-17 13:32 ` Greg Kroah-Hartman
2018-02-20 9:32 ` Masahiro Yamada
2018-02-16 21:41 ` [PATCH 2/3] Kconfig: improve handling for all{rand,yes,no,}.config fragments Arnd Bergmann
2018-02-20 9:26 ` Masahiro Yamada
2018-02-20 9:59 ` Arnd Bergmann
2018-02-20 17:04 ` Masahiro Yamada
2018-02-21 16:57 ` Arnd Bergmann
2018-02-22 17:27 ` Masahiro Yamada
2018-02-23 4:13 ` Masahiro Yamada
2018-02-16 21:41 ` [PATCH 3/3] Kconfig: add a default allrandom.config Arnd Bergmann
2018-02-20 9:16 ` Masahiro Yamada
2018-02-20 11:11 ` Arnd Bergmann
2018-02-20 16:51 ` Masahiro Yamada
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