metering: check rrd_last_r() return code
See merge request !2104 (merged)
(cherry picked from commit 78e23ad9)
af445afc metering: check rrd_last_r() return code
metering: check rrd_last_r() return code
See merge request !2104 (merged)
(cherry picked from commit 78e23ad9)
af445afc metering: check rrd_last_r() return code