From: Li Zefan <lizefan@huawei.com>
Date: Wed, 12 Feb 2014 20:44:57 +0000 (-0800)
Subject: jffs2: remove from wait queue after schedule()
X-Git-Tag: v3.2.58~55
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22af2c501a2c1980e848ce138031ed1cab278f55;p=pandora-kernel.git

jffs2: remove from wait queue after schedule()

commit 3ead9578443b66ddb3d50ed4f53af8a0c0298ec5 upstream.

@wait is a local variable, so if we don't remove it from the wait queue
list, later wake_up() may end up accessing invalid memory.

This was spotted by eyes.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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