From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1JZAuU-0008EQ-9i
	for qemu-devel@nongnu.org; Tue, 11 Mar 2008 16:17:18 -0400
Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1JZAuQ-0008BM-QH
	for qemu-devel@nongnu.org; Tue, 11 Mar 2008 16:17:17 -0400
Received: from [199.232.76.173] (helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1JZAuQ-0008B8-CN
	for qemu-devel@nongnu.org; Tue, 11 Mar 2008 16:17:14 -0400
Received: from mx1.redhat.com ([66.187.233.31])
	by monty-python.gnu.org with esmtp (Exim 4.60)
	(envelope-from <mtosatti@redhat.com>) id 1JZAuQ-0004Ib-44
	for qemu-devel@nongnu.org; Tue, 11 Mar 2008 16:17:14 -0400
Message-Id: <20080311201419.044211764@localhost.localdomain>
References: <20080311201151.959635433@localhost.localdomain>
Date: Tue, 11 Mar 2008 17:12:14 -0300
From: Marcelo Tosatti <mtosatti@redhat.com>
Content-Disposition: inline; filename=isa-unassign-opaque
Subject: [Qemu-devel] [patch 23/24] QEMU/KVM: zero ioport_opaque on
	isa_unassign_ioport
Reply-To: qemu-devel@nongnu.org
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: qemu-devel@nongnu.org, kvm-devel@lists.sourceforge.net
Cc: aliguori@us.ibm.com, Marcelo Tosatti <mtosatti@redhat.com>

If the io port is unassigned, the previous private pointer is 
meaningless.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

Index: kvm-userspace.hotplug2/qemu/vl.c
===================================================================
--- kvm-userspace.hotplug2.orig/qemu/vl.c
+++ kvm-userspace.hotplug2/qemu/vl.c
@@ -399,6 +399,8 @@ void isa_unassign_ioport(int start, int 
         ioport_write_table[0][i] = default_ioport_writeb;
         ioport_write_table[1][i] = default_ioport_writew;
         ioport_write_table[2][i] = default_ioport_writel;
+
+        ioport_opaque[i] = NULL;
     }
 }
 

--