tree 0a722a5f3ddc104db0b2c57e8ee7f192626aa22f
parent 441c7416b55d3d48b4aaafc5bdd804092387d877
author Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> 1236510600 -0700
committer Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> 1287616952 -0700

xen/privcmd: make sure vma is ours before doing anything to it

Test vma->vm_ops is our operations to make sure we created it.
We don't want to stomp on other random vmas.

[ Impact: bugfix; prevent ioctl from affecting other mappings ]

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>