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From: Andi Kleen <andi@firstfloor.org>
To: pavel@pavlinux.ru
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Repalce strncmp by memcmp
Date: Mon, 29 Nov 2010 11:18:00 +0100	[thread overview]
Message-ID: <87eia4l9gn.fsf@basil.nowhere.org> (raw)
In-Reply-To: <4CF30B46.4000203@pavlinux.ru> (Pavel Vasilyev's message of "Mon, 29 Nov 2010 05:09:10 +0300")

Pavel Vasilyev <pavel@pavlinux.ru> writes:

>     This patch replace all strncmp(a, b, c) by  memcmp(a, b, c).

Those two calls are not equivalent. Think what happens when a or b
are shorter than n and one of them is at the end of a page 
before a memory hole.

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only.

  parent reply	other threads:[~2010-11-29 10:18 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-29  2:09 [PATCH] Repalce strncmp by memcmp Pavel Vasilyev
2010-11-29  2:21 ` microcai
2010-11-29  2:29 ` Ming Lei
2010-11-29  3:11   ` Pavel Vasilyev
2010-11-29  4:13     ` Dmitry Torokhov
2010-11-29  5:26       ` YOSHIFUJI Hideaki
2010-11-29 12:41         ` Pavel Vasilyev
2010-11-29  3:10 ` Américo Wang
2010-11-29 10:18 ` Andi Kleen [this message]
2010-11-29 14:58 ` Steven Rostedt
2010-11-29 19:41   ` Pavel Vasilyev
2010-11-29 22:18     ` Steven Rostedt
2010-11-29 22:26       ` Steven Rostedt
2010-11-29 22:49         ` Pavel Vasilyev
2010-11-30  9:24           ` Américo Wang
2010-11-29 22:51         ` Ryan Mallon
2010-11-30 10:27           ` Bernd Petrovitsch
2010-11-29 23:32 ` Arnaud Lacombe
2010-11-30 10:34 ` Bernd Petrovitsch

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