From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 28 Oct 2014 21:22:18 +0000 (+1100)
Subject: xfs: bulkstat doesn't release AGI buffer on error
X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~149^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a6bbce54efa9145dbcf3029c885549f7ebc40a3b;p=pandora-kernel.git

xfs: bulkstat doesn't release AGI buffer on error

The recent refactoring of the bulkstat code left a small landmine in
the code. If a inobt read fails, then the tree walk is aborted and
returns without releasing the AGI buffer or freeing the cursor. This
can lead to a subsequent bulkstat call hanging trying to grab the
AGI buffer again.

cc: <stable@vger.kernel.org>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
---

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