zebra: Notice when a route fails to install on *bsd

When we fail to install a route into bsd, note the case
where we have no viable nexthops installed for it, so
that we can know in zebra if the route is good or not.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

diff --git a/zebra/rt_socket.c b/zebra/rt_socket.c
index e8d0b71605405824312673471243acbef13308eb..c49dc7bab23fb7363e9a85d364132b0a187bc2cb 100644 (file)
--- a/zebra/rt_socket.c
+++ b/zebra/rt_socket.c
@@ -245,9 +245,12 @@ static int kernel_rtm_ipv4(int cmd, const struct prefix *p,
        } /* for (ALL_NEXTHOPS(...))*/
 
        /* If there was no useful nexthop, then complain. */
-       if (nexthop_num == 0 && IS_ZEBRA_DEBUG_KERNEL)
-               zlog_debug("%s: No useful nexthops were found in RIB entry %p",
-                          __func__, re);
+       if (nexthop_num == 0) {
+               if (IS_ZEBRA_DEBUG_KERNEL)
+                       zlog_debug("%s: No useful nexthops were found in RIB entry %p",
+                                  __func__, re);
+               return 1;
+       }
 
        return 0; /*XXX*/
 }
@@ -374,7 +377,7 @@ static int kernel_rtm_ipv6(int cmd, const struct prefix *p,
        if (nexthop_num == 0) {
                if (IS_ZEBRA_DEBUG_KERNEL)
                        zlog_debug("kernel_rtm_ipv6(): No useful nexthop.");
-               return 0;
+               return 1;
        }
 
        return 0; /*XXX*/