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

Browse source

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>

...

This commit is contained in:

Jeremy Fitzhardinge 2009-03-08 04:10:00 -07:00

parent 441c7416b5

commit f31fdf5105

1 changed files with 3 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

3

drivers/xen/xenfs/privcmd.c

View file