vfio-ccw: Set pa_nr to 0 if memory allocation fails for pa_iova_pfn
[ Upstream commit
c1ab69268d124ebdbb3864580808188ccd3ea355 ]
So we don't call try to call vfio_unpin_pages() incorrectly.
Fixes:
0a19e61e6d4c ("vfio: ccw: introduce channel program interfaces")
Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <
33a89467ad6369196ae6edf820cbcb1e2d8d050c.
1562854091.git.alifm@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>