From: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Date: Thu, 5 Jan 2012 08:47:18 +0000 (+0200)
Subject: UBI: fix use-after-free on error path
X-Git-Tag: v3.3-rc1~117^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e57e0d8e818512047fe379157c3f77f1b9fabffb;p=pandora-kernel.git

UBI: fix use-after-free on error path

When we fail to erase a PEB, we free the corresponding erase entry object,
but then re-schedule this object if the error code was something like -EAGAIN.
Obviously, it is a bug to use the object after we have freed it.

Reported-by: Emese Revfy <re.emese@gmail.com>
Cc: stable@kernel.org [v2.6.23+]
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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