commit c389de2aa8819030f8a9a15f2e3d67ca853bb43b
author Damjan Marion <damarion@cisco.com> Fri May 14 15:48:52 2021 +0200
committer Florin Coras <florin.coras@gmail.com> Fri May 14 15:45:05 2021 +0000
tree dd45d0188567de6a899b538e5cb7d2fbb0de495e
parent 4fca744234286374a24afd31507be809383fd763

interface: update tx queue runtime if vector size changes

Fixes issue which causes crash in case when VPP only runs with main thread.

Type: fix
Change-Id: Ia0ca973bb7e7ff81f15b37764ae248e2502bdcec
Signed-off-by: Damjan Marion <damarion@cisco.com>

src/vnet/interface/runtime.c

diff --git a/src/vnet/interface/runtime.c b/src/vnet/interface/runtime.c
index e318e43..7ec1049 100644
--- a/src/vnet/interface/runtime.c
+++ b/src/vnet/interface/runtime.c
@@ -169,7 +169,11 @@
 
   new_out_runtimes =
     vec_dup_aligned (hi->output_node_thread_runtimes, CLIB_CACHE_LINE_BYTES);
-  vec_validate_aligned (new_out_runtimes, n_threads, CLIB_CACHE_LINE_BYTES);
+  vec_validate_aligned (new_out_runtimes, n_threads - 1,
+			CLIB_CACHE_LINE_BYTES);
+
+  if (vec_len (hi->output_node_thread_runtimes) != vec_len (new_out_runtimes))
+    something_changed_on_tx = 1;
 
   for (int i = 0; i < vec_len (hi->tx_queue_indices); i++)
     {