tree c03f698a9925bf08c98264a4ff1382c72be45c4a
parent 1352672860399b40965b5093dd026688979e60a5
author Gerd Hoffmann <kraxel@redhat.com> 1337849701 +0200
committer Anthony Liguori <aliguori@us.ibm.com> 1338344924 +0800

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>