From: Theodore Ts'o <tytso@mit.edu>
Date: Tue, 28 Jul 2009 03:09:47 +0000 (-0400)
Subject: ext4: Avoid null pointer dereference when decoding EROFS w/o a journal
X-Git-Tag: v2.6.27.46~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a3edfd184017a67b30080c1e0d46b91d7306b3d9;p=pandora-kernel.git

ext4: Avoid null pointer dereference when decoding EROFS w/o a journal

commit 78f1ddbb498283c2445c11b0dfa666424c301803 upstream.

We need to check to make sure a journal is present before checking the
journal flags in ext4_decode_error().

Signed-off-by: Eric Sesterhenn <eric.sesterhenn@lsexperts.de>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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