diff --git a/[refs] b/[refs]
index c661ee08709f..cf264faf28ed 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 57efd44c8cad440fb00ef8078cb018ab2f221373
+refs/heads/master: d7ffde35e31a81100d2d0d2c4013cbf527bb32ea
diff --git a/trunk/drivers/vhost/vhost.c b/trunk/drivers/vhost/vhost.c
index 94dbd25caa30..112156f68afb 100644
--- a/trunk/drivers/vhost/vhost.c
+++ b/trunk/drivers/vhost/vhost.c
@@ -191,7 +191,9 @@ static int vhost_worker(void *data)
 	struct vhost_dev *dev = data;
 	struct vhost_work *work = NULL;
 	unsigned uninitialized_var(seq);
+	mm_segment_t oldfs = get_fs();
 
+	set_fs(USER_DS);
 	use_mm(dev->mm);
 
 	for (;;) {
@@ -229,6 +231,7 @@ static int vhost_worker(void *data)
 
 	}
 	unuse_mm(dev->mm);
+	set_fs(oldfs);
 	return 0;
 }