From 582b2d100eef404288b5782cdf3bb22310d13446 Mon Sep 17 00:00:00 2001
From: Jonathan Lemon <jlemon@FreeBSD.org>
Date: Thu, 1 Oct 1998 20:45:28 +0000
Subject: Don't try to save FP state if npxproc is null. Submitted by:	Tor
 Egge

---
 sys/i386/i386/vm86bios.s | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'sys')

diff --git a/sys/i386/i386/vm86bios.s b/sys/i386/i386/vm86bios.s
index 8607a465ba6f..ce53bcf25776 100644
--- a/sys/i386/i386/vm86bios.s
+++ b/sys/i386/i386/vm86bios.s
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: vm86bios.s,v 1.5 1998/09/28 03:26:22 tegge Exp $
+ *	$Id: vm86bios.s,v 1.6 1998/09/29 18:01:18 jlemon Exp $
  */
 
 #include "opt_vm86.h"
@@ -75,6 +75,8 @@ ENTRY(vm86_bioscall)
 	movl	_curproc,%ecx
 	cmpl	%ecx,_npxproc		/* do we need to save fp? */
 	jne	1f
+	testl	%ecx,%ecx
+	je 	1f			/* no curproc/npxproc */
 	pushl	%edx
 	movl	P_ADDR(%ecx),%ecx
 	addl	$PCB_SAVEFPU,%ecx
-- 
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