From b9ad452ec92a7dcbed680acb3f3b8ec29fa660df Mon Sep 17 00:00:00 2001
From: Tiago Vignatti <tiago.vignatti@nokia.com>
Date: Thu, 1 Apr 2010 18:57:50 +0300
Subject: [PATCH] xfree86: die gracefully in the vga arbiter if AddScreen fails

vga arbiter will be locked in one device while AbortDDX will call LeaveVT
routines from the other device. Fail!

Signed-off-by: Tiago Vignatti <tiago.vignatti@nokia.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 hw/xfree86/common/xf86Init.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/xfree86/common/xf86Init.c b/hw/xfree86/common/xf86Init.c
index 72241a776..71ac9a9fe 100644
--- a/hw/xfree86/common/xf86Init.c
+++ b/hw/xfree86/common/xf86Init.c
@@ -1269,7 +1269,9 @@ AbortDDX(void)
 	       * we might not have been wrapped yet. Therefore enable
 	       * screen explicitely.
 	       */
+	      xf86VGAarbiterLock(xf86Screens[i]);
 	      (xf86Screens[i]->LeaveVT)(i, 0);
+	      xf86VGAarbiterUnlock(xf86Screens[i]);
 	  }
   }