If sysfs directory was incorrectly formatted then the vmbus
setup code would leak a directory handle in the error path.
Coverity issue: 302848
Fixes: 831dba47bd36 ("bus/vmbus: add Hyper-V virtual bus support")
Cc: stable@dpdk.org
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
6521c9a2f7