The config_text callback should only add a [Rpc] section if an
address is configured.
This avoids printing out a bogus configuration file
section with "Listen (null)".
Change-Id: Ibb734f6faab4c2587203623eee8a193f9a7207ba
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/390328
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>