From: Joseph Qi <joseph.qi@huawei.com>
Date: Wed, 3 Jul 2013 22:00:52 +0000 (-0700)
Subject: ocfs2: fix mutex_unlock and possible memory leak in ocfs2_remove_btree_range
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~17^2~434
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33add0e3a09a62c7796ea9838243c1cd933d8543;p=pandora-kernel.git

ocfs2: fix mutex_unlock and possible memory leak in ocfs2_remove_btree_range

In ocfs2_remove_btree_range, when calling ocfs2_lock_refcount_tree and
ocfs2_prepare_refcount_change_for_del failed, it goes to out and then
tries to call mutex_unlock without mutex_lock before.  And when calling
ocfs2_reserve_blocks_for_rec_trunc failed, it should free ref_tree
before return.

Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Reviewed-by: Jie Liu <jeff.liu@oracle.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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