When the cfm module has never received a bad CCM message, it would
report a negative time.
---
lib/cfm.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/lib/cfm.c b/lib/cfm.c
index 4e5117d..fc7486e 100644
--- a/lib/cfm.c
+++ b/lib/cfm.c
@@ -399,11 +399,14 @@ cfm_dump_ds(const struct cfm *cfm, struct ds *ds)
ds_put_format(ds, "\tinterval: %dms\n", cfmi->ccm_interval_ms);
ds_put_format(ds, "\ttime since CCM tx: %lldms\n", now - cfmi->ccm_sent);
- ds_put_format(ds, "\ttime since bad CCM rx: %lldms\n",
- now - cfmi->x_recv_time);
ds_put_format(ds, "\ttime since fault check: %lldms\n",
now - cfmi->fault_check);
+ if (cfmi->x_recv_time != LLONG_MIN) {
+ ds_put_format(ds, "\ttime since bad CCM rx: %lldms\n",
+ now - cfmi->x_recv_time);
+ }
+
ds_put_cstr(ds, "\n");
HMAP_FOR_EACH (rmp, node, &cfm->remote_mps) {
ds_put_format(ds, "Remote MPID %"PRIu16": %s\n", rmp->mpid,
--
1.7.4.2
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