zebra: Ensure we cannot send invalid range to kernel

The linux kernel adds 1 upon receipt of a weight, if you
send a 255 it gets unhappy.  Let's Limit range to 254 as
that kernel does not like sending of 255.

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

diff --git a/zebra/zebra_router.c b/zebra/zebra_router.c
index 8d6b2f347651a80b1bf3da1a2a24b1421abce083..4022c1a26fc61747cc8fcebc3610874b9d9dc230 100644 (file)
--- a/zebra/zebra_router.c
+++ b/zebra/zebra_router.c
@@ -343,7 +343,7 @@ void zebra_router_init(bool asic_offload, bool notify_on_ack,
 #endif
        zrouter.asic_notification_nexthop_control = false;
 
-       zrouter.nexthop_weight_scale_value = 255;
+       zrouter.nexthop_weight_scale_value = 254;
 
 #ifdef HAVE_SCRIPTING
        zebra_script_init();