RPC client constructor accepts optional port,
but does not check if it's None in case of
remote connection.
This patch adds the check and new error message
related to it.
Case where port is unexpectedly None
can be reproduced by starting spdkcli
when SPDK socket does not exist.
Change-Id: I46e0b99547204c6fdeac421e5de9d6991387e207
Signed-off-by: Vitaliy Mysak <vitaliy.mysak@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/460974
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>