fix memory leak in hyper_find_virtio_port
fix memory leak in hyper_find_virtio_port

Signed-off-by: Gao feng <7f710758e13fe1707f3aa2e93d3a8f5444b6a90e@gmail.com>

gao-feng/hyperstart,laijs/hyperstart,laijs/hyperstart,hyperhq/hyperstart,hyperhq/hyperstart,gao-feng/hyperstart