From: Nate Diller <nate@namesys.com>
Date: Sun, 30 Oct 2005 23:02:24 +0000 (-0800)
Subject: [PATCH] block cleanups: Fix iosched module refcount leak
X-Git-Tag: v2.6.15-rc1~59^2~15^2~93
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ca7d93bb27876e5fd4ebfcb3b00627107bdad4d;p=pandora-kernel.git

[PATCH] block cleanups: Fix iosched module refcount leak

If the requested I/O scheduler is already in place, elevator_switch simply
leaves the queue alone, and returns.  However, it forgets to call
elevator_put, so

'echo [current_sched] > /sys/block/[dev]/queue/scheduler'

will leak a reference, causing the current_sched module to be permanently
pinned in memory.

Signed-off-by: Nate Diller <nate@namesys.com>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

Reading git-diff-tree failed