From: Keir Fraser <keir.fraser@citrix.com>
Date: Wed, 20 Aug 2008 08:02:15 +0000 (+0100)
Subject: ioemu: Fix unmapping issue on hot-removing pass-thru device
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14139
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=97b6b26dad7f0f68cdd15690fab93a3e89cbc33f;p=xen.git

ioemu: Fix unmapping issue on hot-removing pass-thru device

Signed-off-by: Yuji Shimada <shimada-yxb@necst.nec.co.jp>
---

diff --git a/tools/ioemu/hw/pass-through.c b/tools/ioemu/hw/pass-through.c
index ab1bc774b2..1c00b624b9 100644
--- a/tools/ioemu/hw/pass-through.c
+++ b/tools/ioemu/hw/pass-through.c
@@ -1423,7 +1423,7 @@ static void pt_unregister_regions(struct pt_dev *assigned_device)
     for ( i = 0; i < PCI_NUM_REGIONS; i++ )
     {
         e_size = assigned_device->bases[i].e_size;
-        if ( e_size == 0 )
+        if ( (e_size == 0) || (assigned_device->bases[i].e_physbase == -1) )
             continue;
 
         type = d->io_regions[i].type;