GangCao 5d106e75e0 net: add the check for the add and delete IP operation
To properly return the error case when adding an existing
IP or delete a not existed IP. Proper test case is also
updated.

This is also to fix below issue:
https://github.com/spdk/spdk/issues/992

Change-Id: Ia4d3af8cc86d9bdb66b18a165510cd08f9bfa555
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/476543
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-12-09 17:39:50 +00:00
..