linux-kernel - Re: [PATCH 2/7] ipc: fix trivial warning

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Message-ID: <94a0d4530911111628p3edad1a0me3bb9f312491c637@mail.gmail.com>
Date:	Thu, 12 Nov 2009 02:28:23 +0200
From:	Felipe Contreras <felipe.contreras@...il.com>
To:	Jiri Kosina <jkosina@...e.cz>
Cc:	linux-kernel@...r.kernel.org,
	Heiko Carstens <heiko.carstens@...ibm.com>
Subject: Re: [PATCH 2/7] ipc: fix trivial warning

On Tue, Oct 20, 2009 at 12:50 AM, Jiri Kosina <jkosina@...e.cz> wrote:
> On Mon, 19 Oct 2009, Felipe Contreras wrote:
>> Yes, but it's used by ipcctl_pre_down, which from what I can see is
>> only using those arguments when cmd == IPC_SET, so everything is ok.
>> But still, I don't think the compiler _should_ know what
>> ipcctl_pre_down is going to do, if you look _only_ at msgctl_down,
>> then uninitialized_var is OK.
>
> Well at least older compilers were able to see this, only 4.4 seems to be
> warning here ... I have applied the patch for now, but I am really not
> fully convinced about it yet, we should probably report it to gcc folks
> anyway.

I have in my to-do list to report this to the gcc guys, but in the
meantime I don't see this patch applied.

-- 
Felipe Contreras
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