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由 Marc-André Lureau 提交于
Calling qemu_chr_fe_set_msgfds() on unconnected socket leads to crash since s->ioc is NULL in this case. Return an error earlier instead. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
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