diff options
| -rw-r--r-- | drivers/vfio/vfio.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c index 262ab0efd06c..532bcaf28c11 100644 --- a/drivers/vfio/vfio.c +++ b/drivers/vfio/vfio.c @@ -2051,6 +2051,9 @@ int vfio_group_pin_pages(struct vfio_group *group, if (!group || !user_iova_pfn || !phys_pfn || !npage) return -EINVAL; + if (group->dev_counter > 1) + return -EINVAL; + if (npage > VFIO_PIN_PAGES_MAX_ENTRIES) return -E2BIG; |