X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ffib%2Ffib_entry_src.c;h=1fb040608b415ac1287e2bc33c3d37e5be471dd9;hb=c0790cfef0bd1c56f4c75dc4f959584148386258;hp=060fac941d2851b1aa23c464519d7e6a1718723e;hpb=ce1aae4e88d8ed2c73e8213115cf9f3a4e37370f;p=vpp.git

diff --git a/src/vnet/fib/fib_entry_src.c b/src/vnet/fib/fib_entry_src.c
index 060fac941d2..1fb040608b4 100644
--- a/src/vnet/fib/fib_entry_src.c
+++ b/src/vnet/fib/fib_entry_src.c
@@ -382,6 +382,14 @@ fib_entry_src_mk_lb (fib_entry_t *fib_entry,
         .fct = fct,
     };
 
+    /*
+     * As an optimisation we allocate the vector of next-hops to be sized
+     * equal to the maximum nuber of paths we will need, which is also the
+     * most likely number we will need, since in most cases the paths are 'up'.
+     */
+    vec_validate(ctx.next_hops, fib_path_list_get_n_paths(esrc->fes_pl));
+    vec_reset_length(ctx.next_hops);
+
     lb_proto = fib_proto_to_dpo(fib_entry->fe_prefix.fp_proto);
 
     fib_path_list_walk(esrc->fes_pl,