From a93e20a83077f57638f8574b1c072ce6712e95ec Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Sat, 19 Mar 2011 08:45:43 +0300
Subject: [PATCH] xen-gntdev: unlock on error path in gntdev_mmap()

We should unlock here and also decrement the number of &map->users.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Reading git-format-patch failed