1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index fb12fe205f86..e33dc8e9e87d 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -457,9 +457,12 @@ static void update_balloon_size_func(struct work_struct *work)
                           update_balloon_size_work);
         diff = towards_target(vb);
 
+        if (!diff)
+                return;
+
         if (diff > 0)
                 diff -= fill_balloon(vb, diff);
-        else if (diff < 0)
+        else
                 diff += leak_balloon(vb, -diff);
         update_balloon_size(vb);