diff options
| -rw-r--r-- | drivers/vhost/vdpa.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index f2db99031e2f..29ed4173f04e 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -348,7 +348,9 @@ static long vhost_vdpa_get_iova_range(struct vhost_vdpa *v, u32 __user *argp) .last = v->range.last, }; - return copy_to_user(argp, &range, sizeof(range)); + if (copy_to_user(argp, &range, sizeof(range))) + return -EFAULT; + return 0; } static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd, |