From: Florin Coras <fcoras@cisco.com>
Date: Wed, 24 Jul 2019 05:38:16 +0000 (-0700)
Subject: tls: handle engine listen failure
X-Git-Tag: v20.01-rc0~121
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F15%2F20815%2F2;p=vpp.git

tls: handle engine listen failure

Type:fix

Change-Id: I528b7cfcb7a6aada94ee3649378e6fbe84d2e4e6
Signed-off-by: Florin Coras <fcoras@cisco.com>
---

diff --git a/src/vnet/tls/tls.c b/src/vnet/tls/tls.c
index 6769fd254b6..4a9ec4e7eb6 100644
--- a/src/vnet/tls/tls.c
+++ b/src/vnet/tls/tls.c
@@ -602,7 +602,18 @@ tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep)
   lctx->tcp_is_ip4 = sep->is_ip4;
   lctx->tls_ctx_engine = engine_type;
 
-  tls_vfts[engine_type].ctx_start_listen (lctx);
+  if (tls_vfts[engine_type].ctx_start_listen (lctx))
+    {
+      vnet_unlisten_args_t a = {
+	.handle = lctx->tls_session_handle,
+	.app_index = tls_main.app_index,
+	.wrk_map_index = 0
+      };
+      if ((vnet_unlisten (&a)))
+	clib_warning ("unlisten returned");
+      tls_listener_ctx_free (lctx);
+      lctx_index = SESSION_INVALID_INDEX;
+    }
 
   TLS_DBG (1, "Started listening %d, engine type %d", lctx_index,
 	   engine_type);