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From: Anthony Liguori <anthony@codemonkey.ws>
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Date: Sat, 28 Mar 2009 17:29:02 +0000
Subject: [Qemu-devel] [6900] Fix monitor command (screendump) (Stefan Weil)
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Revision: 6900
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6900
Author:   aliguori
Date:     2009-03-28 17:29:02 +0000 (Sat, 28 Mar 2009)
Log Message:
-----------
Fix monitor command (screendump) (Stefan Weil)

starting with r6839, the monitor command 'screendump'
raises a nullpointer memory access which crashs Qemu.

Fix crash when calling screendump from monitor.

This was a regression introduced with r6839:
DisplayAllocator interface (Stefano Stabellini)

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

Modified Paths:
--------------
    trunk/hw/vga.c

Modified: trunk/hw/vga.c
===================================================================
--- trunk/hw/vga.c	2009-03-28 17:28:58 UTC (rev 6899)
+++ trunk/hw/vga.c	2009-03-28 17:29:02 UTC (rev 6900)
@@ -2637,6 +2637,7 @@
     dcl.dpy_resize = vga_save_dpy_resize;
     dcl.dpy_refresh = vga_save_dpy_refresh;
     register_displaychangelistener(ds, &dcl);
+    ds->allocator = &default_allocator;
     ds->surface = qemu_create_displaysurface(ds, w, h);
 
     s->ds = ds;