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From: Tycho Nightingale <tychon@FreeBSD.org>
Date: Tue, 11 Mar 2014 22:12:12 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r263054 - head/sys/amd64/vmm/io
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Author: tychon
Date: Tue Mar 11 22:12:12 2014
New Revision: 263054
URL: http://svnweb.freebsd.org/changeset/base/263054

Log:
  Don't try to return a vector to a caller that only cares if a vector
  is pending or not.
  
  Approved by:	neel (co-mentor)

Modified:
  head/sys/amd64/vmm/io/vlapic.c

Modified: head/sys/amd64/vmm/io/vlapic.c
==============================================================================
--- head/sys/amd64/vmm/io/vlapic.c	Tue Mar 11 22:11:45 2014	(r263053)
+++ head/sys/amd64/vmm/io/vlapic.c	Tue Mar 11 22:12:12 2014	(r263054)
@@ -1053,8 +1053,12 @@ vlapic_pending_intr(struct vlapic *vlapi
 	int	  	 idx, i, bitpos, vector;
 	uint32_t	*irrptr, val;
 
-	if (vlapic->extint_pending)
-		return (vatpic_pending_intr(vlapic->vm, vecptr));
+	if (vlapic->extint_pending) {
+		if (vecptr == NULL)
+			return (1);
+		else
+			return (vatpic_pending_intr(vlapic->vm, vecptr));
+	}
 
 	if (vlapic->ops.pending_intr)
 		return ((*vlapic->ops.pending_intr)(vlapic, vecptr));