From: Tejun Heo <htejun@gmail.com>
Date: Thu, 10 Nov 2005 07:55:01 +0000 (+0100)
Subject: [BLOCK] fix string handling in elv_iosched_store
X-Git-Tag: v2.6.15-rc2~226
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be56123568072d223263a6a70a087d1e7faabb83;p=pandora-kernel.git

[BLOCK] fix string handling in elv_iosched_store

elv_iosched_store doesn't terminate string passed from userspace if
it's too long.  Also, if the written length is zero (probably not
possible), it accesses elevator_name[-1].  This patch fixes both bugs.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
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