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From: Ingo Molnar <mingo@elte.hu>
To: Andrew Lutomirski <luto@mit.edu>
Cc: Rakib Mullick <rakib.mullick@gmail.com>,
	hpa@zytor.com, tglx@linutronix.de, x86@kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86, vsyscall: Fix build warning in vsyscall_64.c
Date: Mon, 13 Jun 2011 11:29:40 +0200	[thread overview]
Message-ID: <20110613092940.GB8282@elte.hu> (raw)
In-Reply-To: <BANLkTi=SQb6EL4+bdH2Q+iwaW9E3i+48Ew@mail.gmail.com>


* Andrew Lutomirski <luto@mit.edu> wrote:

> On Sat, Jun 11, 2011 at 3:31 AM, Rakib Mullick <rakib.mullick@gmail.com> wrote:
> > Due to commit 5cec93c216db77 (x86-64: Emulate legacy vsyscalls), we get the following warning:
> >
> >   arch/x86/kernel/vsyscall_64.c: In function ‘do_emulate_vsyscall’:
> >   arch/x86/kernel/vsyscall_64.c:111:7: warning: ‘ret’ may be used uninitialized in this function
> 
> What's the code path that uses ret without initializing it?

If the code is correct but GCC got confused then please use the 
simplest possible patch to help GCC find its way around the code.

Thanks,

	Ingo

  parent reply	other threads:[~2011-06-13  9:29 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-11  7:31 Rakib Mullick
2011-06-11 11:01 ` Andrew Lutomirski
2011-06-12  5:12   ` Rakib Mullick
2011-06-13  2:52     ` Andrew Lutomirski
2011-06-13  4:54       ` Rakib Mullick
2011-06-13  8:45         ` Rakib Mullick
2011-06-13 18:06           ` Andrew Lutomirski
2011-06-14 17:43             ` Rakib Mullick
2011-06-14 18:03               ` Andy Lutomirski
2011-06-14 21:16                 ` Ingo Molnar
2011-06-14 21:24                   ` Linus Torvalds
2011-06-14 21:31                     ` Ingo Molnar
2011-06-14 21:33                       ` Andrew Lutomirski
2011-06-15  5:59                         ` Rakib Mullick
2011-06-15  7:25                           ` Ingo Molnar
2011-06-15 18:49                             ` Linus Torvalds
2011-06-15 19:24                               ` Andrew Lutomirski
2011-06-15 19:32                                 ` Linus Torvalds
2011-06-15 19:51                                   ` Andrew Lutomirski
2011-06-13  9:29   ` Ingo Molnar [this message]
2011-06-13 13:03     ` Andrew Lutomirski
2011-06-13 14:14       ` Ingo Molnar
2011-06-13 14:18         ` Andrew Lutomirski
2011-06-13 17:05           ` Rakib Mullick
2011-06-13 17:06             ` Andrew Lutomirski

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