From: David Vrabel <david.vrabel@citrix.com>
Date: Wed, 24 Oct 2012 11:39:02 +0000 (+0100)
Subject: xen/gntdev: don't leak memory from IOCTL_GNTDEV_MAP_GRANT_REF
X-Git-Tag: v3.2.34~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de1e9234c8d6aa740d2c8b6df0bca372663481d9;p=pandora-kernel.git

xen/gntdev: don't leak memory from IOCTL_GNTDEV_MAP_GRANT_REF

commit a67baeb77375199bbd842fa308cb565164dd1f19 upstream.

map->kmap_ops allocated in gntdev_alloc_map() wasn't freed by
gntdev_put_map().

Add a gntdev_free_map() helper function to free everything allocated
by gntdev_alloc_map().

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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