lib: prefix2str initialises incoming buffer in case erroneous EVPN pfx

In the case, evpn prefix is requested to be transformed into string, and
if the evpn prefix is not an evpn route type 5 entry, then the prefix is
returning an initialised string that mentions the vpn prefix is unknown.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>

diff --git a/lib/prefix.c b/lib/prefix.c
index 8948a2ac19e50bd3b03fcadecd40050e360b173e..19cf7dd8f98a6aa6b391b9267e7362ce2ae77f83 100644 (file)
--- a/lib/prefix.c
+++ b/lib/prefix.c
@@ -880,6 +880,10 @@ prefix2str (union prefixconstptr pu, char *str, int size)
                                  buf, PREFIX2STR_BUFFER),
                       p->prefixlen);
           }
+        else
+          {
+            sprintf (str, "UNK AF_ETHER prefix");
+          }
         break;
       default:
         sprintf (str, "UNK prefix");