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UBI: fix use-after-free on error path
authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Thu, 5 Jan 2012 08:47:18 +0000 (10:47 +0200)
committerArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Thu, 5 Jan 2012 09:19:19 +0000 (11:19 +0200)
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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