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Commit dfe5ac5b authored by Michael S. Tsirkin's avatar Michael S. Tsirkin
Browse files

vhost: copy_to_user -> __copy_to_user 



We do access_ok checks at setup time, so we don't need to
redo them on each access.

Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 64e1c807

drivers/vhost/vhost.c

+1 −1
Original line number Diff line number Diff line
@@ -1258,7 +1258,7 @@ static int __vhost_add_used_n(struct vhost_virtqueue *vq, 


	start = vq->last_used_idx % vq->num;

	used = vq->used->ring + start;

	if (copy_to_user(used, heads, count * sizeof *used)) {

	if (__copy_to_user(used, heads, count * sizeof *used)) {

		vq_err(vq, "Failed to write used");

		return -EFAULT;

	}