diff options
| -rw-r--r-- | ospf6d/ospf6_spf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ospf6d/ospf6_spf.c b/ospf6d/ospf6_spf.c index a9bd7febcf..f9c47cbce5 100644 --- a/ospf6d/ospf6_spf.c +++ b/ospf6d/ospf6_spf.c @@ -461,6 +461,10 @@ void ospf6_spf_reason_string(uint32_t reason, char *buf, int size) if (!buf) return; + if (!reason) { + buf[0] = '\0'; + return; + } for (bit = 0; bit < array_size(ospf6_spf_reason_str); bit++) { if ((reason & (1 << bit)) && (len < size)) { len += snprintf((buf + len), (size - len), "%s%s", |