From: aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Wed, 11 Feb 2009 15:21:29 +0000 (+0000)
Subject: qemu: zero ioport_opaque on isa_unassign_ioport (Marcelo Tosatti)
X-Git-Tag: release_0_10_0~80
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a7607f7e9bdf69c80be33b6386f48cba19fc0fb7;p=thirdparty%2Fqemu.git

qemu: zero ioport_opaque on isa_unassign_ioport (Marcelo Tosatti)

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

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6606 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/vl.c b/vl.c
index ba1e6435731..cdb91591c56 100644
--- a/vl.c
+++ b/vl.c
@@ -404,6 +404,8 @@ void isa_unassign_ioport(int start, int length)
         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;
     }
 }