commit 1643f2b232628905e8f32965ff36a87bd53b93c5
author Gerd Hoffmann <kraxel@redhat.com> Thu May 24 10:55:01 2012 +0200
committer Anthony Liguori <aliguori@us.ibm.com> Wed May 30 10:28:44 2012 +0800
tree c03f698a9925bf08c98264a4ff1382c72be45c4a
parent 1352672860399b40965b5093dd026688979e60a5

vnc: fix segfault in vnc_display_pw_expire()

NULL pointer dereference in case no vnc server is configured.
Catch this and return -EINVAL like vnc_display_password() does.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

ui/vnc.c

diff --git a/ui/vnc.c b/ui/vnc.c
index be384a5..54bc5ad 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -2849,6 +2849,10 @@
 {
     VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display;
 
+    if (!vs) {
+        return -EINVAL;
+    }
+
     vs->expires = expires;
     return 0;
 }