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[BLOCK] fix string handling in elv_iosched_store
authorTejun Heo <htejun@gmail.com>
Thu, 10 Nov 2005 07:55:01 +0000 (08:55 +0100)
committerJens Axboe <axboe@nelson.home.kernel.dk>
Sat, 12 Nov 2005 09:56:21 +0000 (10:56 +0100)
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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