From fc3293cac642f8a57dbbf28e4a5d8ee0d9d44861 Mon Sep 17 00:00:00 2001
From: Paul Durrant <paul.durrant@citrix.com>
Date: Thu, 23 Jul 2015 16:38:37 +0100
Subject: [PATCH] Only the active device should unplug emulated devices

...and populate the hypercall table.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
---
 src/xenbus/fdo.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/xenbus/fdo.c b/src/xenbus/fdo.c
index 1e55381..9eb20e7 100644
--- a/src/xenbus/fdo.c
+++ b/src/xenbus/fdo.c
@@ -2985,10 +2985,14 @@ FdoS4ToS3(
 
     KeRaiseIrql(DISPATCH_LEVEL, &Irql);
 
+    if (!__FdoIsActive(Fdo))
+        goto not_active;
+
     HypercallPopulate();
 
     UnplugDevices();
 
+not_active:
     KeLowerIrql(Irql);
 
     __FdoSetSystemPowerState(Fdo, PowerSystemSleeping3);
-- 
2.39.5