From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcelo Tosatti <mtosatti@redhat.com>
Subject: [patch 22/23] QEMU/KVM: zero ioport_opaque on
	isa_unassign_ioport
Date: Tue, 04 Mar 2008 15:34:41 -0300
Message-ID: <20080304183904.075170960@localhost.localdomain>
References: <20080304183419.187172133@localhost.localdomain>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
	Avi Kivity <avi@qumranet.com>, Glauber Costa <gcosta@redhat.com>
To: kvm-devel@lists.sourceforge.net
Return-path: <kvm-devel-bounces@lists.sourceforge.net>
Content-Disposition: inline; filename=isa-unassign-opaque
List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/kvm-devel>,
	<mailto:kvm-devel-request@lists.sourceforge.net?subject=unsubscribe>
List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=kvm-devel>
List-Post: <mailto:kvm-devel@lists.sourceforge.net>
List-Help: <mailto:kvm-devel-request@lists.sourceforge.net?subject=help>
List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/kvm-devel>,
	<mailto:kvm-devel-request@lists.sourceforge.net?subject=subscribe>
Sender: kvm-devel-bounces@lists.sourceforge.net
Errors-To: kvm-devel-bounces@lists.sourceforge.net
List-Id: kvm.vger.kernel.org

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

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

Index: kvm-userspace.hotplug/qemu/vl.c
===================================================================
--- kvm-userspace.hotplug.orig/qemu/vl.c
+++ kvm-userspace.hotplug/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;
     }
 }
 

-- 


-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/