sharpd: be explicit if nht is uninstalled

Emit a debug if sharpd gets a nexthop-tracking message
without any nexthops.

Signed-off-by: Mark Stapp <mjs@voltanet.io>

diff --git a/sharpd/sharp_zebra.c b/sharpd/sharp_zebra.c
index baa4e2ad5b8f14de939907a3a6e7a5f2830aa9c1..20db86cfba309074ef6fe814c53325d9cf2906ee 100644 (file)
--- a/sharpd/sharp_zebra.c
+++ b/sharpd/sharp_zebra.c
@@ -435,6 +435,12 @@ static int sharp_debug_nexthops(struct zapi_route *api)
        int i;
        char buf[PREFIX_STRLEN];
 
+       if (api->nexthop_num == 0) {
+               zlog_debug(
+                       "        Not installed");
+               return 0;
+       }
+
        for (i = 0; i < api->nexthop_num; i++) {
                struct zapi_nexthop *znh = &api->nexthops[i];