From: Aloys Augustin <aloaugus@cisco.com>
Date: Wed, 24 Apr 2019 11:21:43 +0000 (+0200)
Subject: UDPC: Fix open segfault with multiple workers
X-Git-Tag: v20.01-rc0~744
X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=commitdiff_plain;h=8e58499690a278a598c9ef7abf47b72fafad7e50

UDPC: Fix open segfault with multiple workers

Change-Id: Ib4a64f17831e2419f1d6140a6d24649c096bdfa5
Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
---

diff --git a/src/vnet/udp/udp.c b/src/vnet/udp/udp.c
index 46a26e484ed..138fe578a01 100644
--- a/src/vnet/udp/udp.c
+++ b/src/vnet/udp/udp.c
@@ -344,9 +344,11 @@ int
 udpc_connection_open (transport_endpoint_cfg_t * rmt)
 {
   udp_connection_t *uc;
+  /* Reproduce the logic of udp_open_connection to find the correct thread */
+  u32 thread_index = vlib_num_workers ()? 1 : vlib_get_main ()->thread_index;
   u32 uc_index;
   uc_index = udp_open_connection (rmt);
-  uc = udp_connection_get (uc_index, vlib_get_thread_index ());
+  uc = udp_connection_get (uc_index, thread_index);
   uc->is_connected = 1;
   return uc_index;
 }