[PATCH 1/2] vhost: remove the possible fruitless search on iotlb prefetch

[Koichiro Den]

Signed-off-by: Koichiro Den <d...@klaipeden.com>
---
 drivers/vhost/vhost.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index e4613a3c362d..93e909afc1c3 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1184,7 +1184,7 @@ static int iotlb_access_ok(struct vhost_virtqueue *vq,
        while (len > s) {
                node = vhost_umem_interval_tree_iter_first(&umem->umem_tree,
                                                           addr,
-                                                          addr + len - 1);
+                                                          addr + len - s - 1);
                if (node == NULL || node->start > addr) {
                        vhost_iotlb_miss(vq, addr, access);
                        return false;
-- 
2.9.4