Alexandre Julliard : winex11: Add window data structure locking to the Expose event handler.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6a4490d8ab14a26a7647203f83e51b3dda4ff2f1
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=6a4490d8ab14a26a7647203f83e51b3dda4ff2f1

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Wed Sep 19 13:12:42 2012 +0200

winex11: Add window data structure locking to the Expose event handler.

---

 dlls/winex11.drv/event.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/dlls/winex11.drv/event.c b/dlls/winex11.drv/event.c
index c9ae725..5b50978 100644
--- a/dlls/winex11.drv/event.c
+++ b/dlls/winex11.drv/event.c
@@ -821,7 +821,7 @@ static void X11DRV_Expose( HWND hwnd, XEvent *xev )
     TRACE( "win %p (%lx) %d,%d %dx%d\n",
            hwnd, event->window, event->x, event->y, event->width, event->height );
 
-    if (!(data = X11DRV_get_win_data( hwnd ))) return;
+    if (!(data = get_win_data( hwnd ))) return;
 
     rect.left   = event->x;
     rect.top    = event->y;
@@ -858,7 +858,10 @@ static void X11DRV_Expose( HWND hwnd, XEvent *xev )
     }
     else OffsetRect( &rect, virtual_screen_rect.left, virtual_screen_rect.top );
 
-    if (!data->surface) RedrawWindow( hwnd, &rect, 0, flags );
+    if (data->surface) flags = 0;
+    release_win_data( data );
+
+    if (flags) RedrawWindow( hwnd, &rect, 0, flags );
 }