qdev: skip bus check for bus-less devices in qdev_unplug()
commit120dc38f6113b676ecef0a2c9e42fc08cace5bdb
authorIgor Mammedov <imammedo@redhat.com>
Fri, 3 May 2013 13:25:36 +0000 (3 15:25 +0200)
committerAnthony Liguori <aliguori@us.ibm.com>
Fri, 3 May 2013 17:05:33 +0000 (3 12:05 -0500)
tree43491d62cb03c0377396d7772fe7771339b2d48c
parent6f32a6b47ef4247ad14dad63c6ee231fdce4c5e9
qdev: skip bus check for bus-less devices in qdev_unplug()

Since commit 2f7bd829db "qdev: Fix device_add bus assumptions"
it's possible to device_add bus-less device, but if such device is
unplugged it will dereference NULL parent_bus in qdev_unplug().

Fix it by taking in account that parent_bus might be NULL and
skipping bus check.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 1367587536-14964-1-git-send-email-imammedo@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
hw/core/qdev.c