commit 4112e389ea934463fd2160c8f24edaf11bc931b0
author Swarup Nayak <swarupnpvt@gmail.com> Mon Dec 11 17:36:54 2017 +0530
committer Neale Ranns <nranns@cisco.com> Tue Dec 12 09:06:22 2017 +0000
tree 9c7ba36e0ac3ecfb3ba4fb6b5629622f91f3d8dc
parent 561af9b441c7392cf391dd46399b0b16b876a08a

VPP-1092 Correcting ip punt delete flow, when recv if index valid but doesnt exist in configuration

Change-Id: I01a69c4eef2c6224a24907b8fed12dcb1b642307
Signed-off-by: Swarup Nayak <swarupnpvt@gmail.com>

src/vnet/ip/ip4_punt_drop.c

diff --git a/src/vnet/ip/ip4_punt_drop.c b/src/vnet/ip/ip4_punt_drop.c
index ceb1bb8..5f40e14 100644
--- a/src/vnet/ip/ip4_punt_drop.c
+++ b/src/vnet/ip/ip4_punt_drop.c
@@ -115,6 +115,7 @@
 ip_punt_redirect_t ip4_punt_redirect_cfg = {
   .any_rx_sw_if_index = {
     .tx_sw_if_index = ~0,
+	.adj_index = ADJ_INDEX_INVALID,
   },
 };
 /* *INDENT-ON* */
@@ -309,6 +310,7 @@
  */
 ip_punt_redirect_rx_t uninit_rx_redirect = {
   .tx_sw_if_index = ~0,
+  .adj_index = ADJ_INDEX_INVALID,
 };
 
 void
@@ -351,6 +353,9 @@
       old = &cfg->redirect_by_rx_sw_if_index[rx_sw_if_index];
     }
 
+  if ((old == NULL) || (old->adj_index == ADJ_INDEX_INVALID))
+    return;
+
   adj_unlock (old->adj_index);
   *old = uninit_rx_redirect;
 }