From dc491cfc14074064ed54a872b62cce6ca1330644 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Mon, 7 Apr 2014 12:15:44 +0200
Subject: [PATCH] spice: monitors_config: check pointer before dereferencing

Reported-by: Fabio Fantoni <fabio.fantoni@m2r.biz>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 ui/spice-display.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ui/spice-display.c b/ui/spice-display.c
index e28698c6b6..ce6b220f55 100644
--- a/ui/spice-display.c
+++ b/ui/spice-display.c
@@ -549,6 +549,10 @@ static int interface_client_monitors_config(QXLInstance *sin,
     QemuUIInfo info;
     int rc;
 
+    if (!mc) {
+        return 1;
+    }
+
     /*
      * FIXME: multihead is tricky due to the way
      * spice has multihead implemented.