1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 94dbd25caa30..112156f68afb 100644
--- a/drivers/vhost/vhost.c
+++ b/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;
 }