From f45b644e11127e07fe909f418d1c0e2ca3285743 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Tue, 10 Nov 2015 14:49:01 -0700
Subject: [PATCH] st/wgl: add a lock assertion in
 stw_framebuffer_from_hwnd_locked()

Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
---
 src/gallium/state_trackers/wgl/stw_framebuffer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/state_trackers/wgl/stw_framebuffer.c b/src/gallium/state_trackers/wgl/stw_framebuffer.c
index 7d7248e0030..b49bc22e21f 100644
--- a/src/gallium/state_trackers/wgl/stw_framebuffer.c
+++ b/src/gallium/state_trackers/wgl/stw_framebuffer.c
@@ -55,6 +55,7 @@ stw_framebuffer_from_hwnd_locked(HWND hwnd)
    for (fb = stw_dev->fb_head; fb != NULL; fb = fb->next)
       if (fb->hWnd == hwnd) {
          stw_framebuffer_lock(fb);
+         assert(fb->mutex.RecursionCount == 1);
          return fb;
       }
 
-- 
2.30.2