From: Boaz Harrosh <bharrosh@panasas.com>
Date: Wed, 16 May 2012 11:22:21 +0000 (+0300)
Subject: exofs: Fix CRASH on very early IO errors.
X-Git-Tag: v3.2.20~81
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=27b4384504c58e94b0938b467261f893aeab9966;p=pandora-kernel.git

exofs: Fix CRASH on very early IO errors.

commit 6abe4a87f7bc7978705c386dbba0ca0c7790b3ec upstream.

If at exofs_fill_super() we had an early termination
do to any error, like an IO error while reading the
super-block. We would crash inside exofs_free_sbi().

This is because sbi->oc.numdevs was set to 1, before
we actually have a device table at all.

Fix it by moving the sbi->oc.numdevs = 1 to after the
allocation of the device table.

Reported-by: Johannes Schild <JSchild@gmx.de>

Stable: This is a bug since v3.2.0
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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