From: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Date: Wed, 9 Feb 2011 20:11:59 +0000 (-0500)
Subject: xen-gntdev: Use map->vma for checking map validity
X-Git-Tag: v2.6.39-rc1~439^3~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=84e4075d60fc8f1c0b937765620bc784dd0c3d39;p=pandora-kernel.git

xen-gntdev: Use map->vma for checking map validity

The is_mapped flag used to be set at the completion of the map operation,
but was not checked in all error paths. Use map->vma instead, which will
now be cleared if the initial grant mapping fails.

Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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