bus/vmbus: fix leak on device scan
bus/vmbus: fix leak on device scan

Caught running ASAN.
The device name was leaked on scan.
rte_device name field being a const, use a local pointer and release
in error path.

Fixes: 831dba47bd36 ("bus/vmbus: add Hyper-V virtual bus support")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <f28529695cfa9e3e1eb84e7072aa626af4abb18e@redhat.com>
Acked-by: Long Li <7c3f1736f0d21e1e8ded3a98dcacf1239706b2af@microsoft.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk