From: Roger Pau Monné <roger.pau@citrix.com>
Date: Mon, 15 Sep 2014 09:55:27 +0000 (+0200)
Subject: xen-blkback: fix leak on grant map error path
X-Git-Tag: omap-for-v3.19/prcm-cleanup~49^2~1^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=61cecca865280bef4f8a9748d0a9afa5df351ac2;p=pandora-kernel.git

xen-blkback: fix leak on grant map error path

Fix leaking a page when a grant mapping has failed.

CC: stable@vger.kernel.org
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reported-and-Tested-by: Tao Chen <boby.chen@huawei.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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