Checking the return value of rte_metrics_update_values, if failed
returning that value.
Coverity had picked up that that the return value wasn't being checked.
Coverity issue: 336863
Fixes: 2ad7ba9a6567 ("bitrate: add bitrate statistics library")
Cc: stable@dpdk.org
Signed-off-by: Andrius Sirvys <andrius.sirvys@intel.com>
Acked-by: Rami Rosen <ramirose@gmail.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
72ec13b0a1