
We delete without check whether it existed during exit. This will lead NULL pointer deference since it was created conditionally depends on guest driver status and features. So add a check of existence before trying to delete it. Cc: qemu-stable@nongnu.org Signed-off-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-id: 1383728288-28469-1-git-send-email-jasowang@redhat.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
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Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org - QEMU team
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