tree 1b06a72abee6ccbffdaa2d875f7d4664201ea73d
parent b7da6c60814a5c8703e9fa0d943ec3240e9d94ab
author Alexander Graf <agraf@suse.de> 1367326936 +0200
committer Anthony Liguori <aliguori@us.ibm.com> 1367332811 -0500

QOM: Fail casts for unknown types

When we try to cast an object to an unknown type, fail the cast. Today
we would simply run into an assert().

This fixes a bug on qemu-system-s390x for me that gets triggered by the
audio code looking for PCI and ISA buses.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1367326936-28539-1-git-send-email-agraf@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>