Add missing init fn dependency to ipsec_init

ipsec_init fails if vnet_feature_init hasn't occurred. Can happen if a
particular set of plugins are loaded.

Change-Id: I67b289d640c28d04e248b9a09ebcc8f205834fd2
Signed-off-by: Dave Barach <dave@barachs.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/vnet/ipsec/ipsec.c b/src/vnet/ipsec/ipsec.c
index 3586ca2627f..4e69e734702 100644
--- a/src/vnet/ipsec/ipsec.c
+++ b/src/vnet/ipsec/ipsec.c
@@ -107,6 +107,7 @@ ipsec_add_feature (const char *arc_name,
   u8 arc;
 
   arc = vnet_get_feature_arc_index (arc_name);
+  ASSERT (arc != ~0);
   *out_feature_index = vnet_get_feature_index (arc, node_name);
 }
 
@@ -247,6 +248,10 @@ ipsec_init (vlib_main_t * vm)
   ipsec_main_t *im = &ipsec_main;
   ipsec_main_crypto_alg_t *a;
 
+  /* Backend registration requires the feature arcs to be set up */
+  if ((error = vlib_call_init_function (vm, vnet_feature_init)))
+    return (error);
+
   im->vnet_main = vnet_get_main ();
   im->vlib_main = vm;