xen: Log errno rather than return value
commit7cdcca725b6bfc96634c15e3f74ae4b148cf9c40
authorRoss Lagerwall <ross.lagerwall@citrix.com>
Wed, 11 Oct 2017 15:52:03 +0000 (11 16:52 +0100)
committerStefano Stabellini <sstabellini@kernel.org>
Thu, 26 Oct 2017 21:26:48 +0000 (26 14:26 -0700)
tree46bf1668c8b6be9aa6f513a44359c775f3892dec
parente38c3e86dfffe3cc806d051b9deeab31836b196a
xen: Log errno rather than return value

xen_modified_memory() sets errno to communicate what went wrong so log
this rather than the return value which is not interesting.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
hw/i386/xen/xen-hvm.c