Merge remote-tracking branch 'qt/5.9' into 5.10v5.10.0-beta3

Change-Id: I6c283081669594b3e8c6b30194bb96e389319cb2

1 files changed, 3 insertions, 3 deletions

diff --git a/src/client/qwaylandbuffer_p.h b/src/client/qwaylandbuffer_p.h
index 9e8cba2e4..b3513d151 100644
--- a/src/client/qwaylandbuffer_p.h
+++ b/src/client/qwaylandbuffer_p.h
@@ -73,14 +73,14 @@ public:
     virtual QSize size() const = 0;
     virtual int scale() const { return 1; }
 
-    void setBusy() { mBusy = true; }
-    bool busy() const { return mBusy; }
+    void setBusy() { mBusy++; }
+    bool busy() const { return mBusy > 0; }
 
 protected:
     struct wl_buffer *mBuffer;
 
 private:
-    bool mBusy;
+    int mBusy;
 
     static void release(void *data, wl_buffer *);
     static const wl_buffer_listener listener;