From: Christoph Hellwig <hch@infradead.org>
Date: Mon, 18 Nov 2013 13:07:47 +0000 (-0800)
Subject: nfsd: make sure to balance get/put_write_access
X-Git-Tag: v3.2.54~113
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9bbbbf7ff19de7a05190217a62e9f599f18ecd7d;p=pandora-kernel.git

nfsd: make sure to balance get/put_write_access

commit 987da4791052fa298b7cfcde4dea9f6f2bbc786b upstream.

Use a straight goto error label style in nfsd_setattr to make sure
we always do the put_write_access call after we got it earlier.

Note that the we have been failing to do that in the case
nfsd_break_lease() returns an error, a bug introduced into 2.6.38 with
6a76bebefe15d9a08864f824d7f8d5beaf37c997 "nfsd4: break lease on nfsd
setattr".

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
[bwh: Backported to 3.2: notify_change() takes only 2 arguments]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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