sparse warns about converting void * to void __user *. This is not new
but only got noticed now that vhost is built on more systems.
This is just a question of __user tags missing in a couple of places,
so fix it up.

Fixes: f88949138058 ("vhost: introduce O(1) vq metadata cache")
Reported-by: kbuild test robot <redacted>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
  drivers/vhost/vhost.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index d450e16c5c25..21a59b598ed8 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c

@@ -730,7 +730,7 @@ static inline void __user *vhost_vq_meta_fetch(struct vhost_virtqueue *vq,
  	if (!map)
  		return NULL;
  
-	return (void *)(uintptr_t)(map->addr + addr - map->start);
+	return (void __user *)(uintptr_t)(map->addr + addr - map->start);
  }
  
  /* Can we switch to this memory table? */

@@ -869,7 +869,7 @@ static void __user *__vhost_get_user_slow(struct vhost_virtqueue *vq,
   * not happen in this case.
   */
  static inline void __user *__vhost_get_user(struct vhost_virtqueue *vq,
-					    void *addr, unsigned int size,
+					    void __user *addr, unsigned int size,
  					    int type)
  {
  	void __user *uaddr = vhost_vq_meta_fetch(vq,