From 104ce885cb32f7bf8433f7127b611f6932d6d75a Mon Sep 17 00:00:00 2001
From: wangjialiang <wangjialiang@espressif.com>
Date: Thu, 21 Jul 2022 20:25:19 +0800
Subject: [PATCH] ble_mesh: stack: The value of expect_ack_for will be rewrited
 after send_pub_key().

For case MESH/PVNR/PROV/BV-04-C
---
 components/bt/esp_ble_mesh/mesh_core/provisioner_prov.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/components/bt/esp_ble_mesh/mesh_core/provisioner_prov.c b/components/bt/esp_ble_mesh/mesh_core/provisioner_prov.c
index 4945e1faee..60ac6c2f03 100644
--- a/components/bt/esp_ble_mesh/mesh_core/provisioner_prov.c
+++ b/components/bt/esp_ble_mesh/mesh_core/provisioner_prov.c
@@ -2943,6 +2943,12 @@ static void gen_prov_ack(const uint8_t idx, struct prov_rx *rx, struct net_buf_s
         case PROV_START:
             pub_key_oob = link[idx].conf_inputs[13];
             send_pub_key(idx, pub_key_oob);
+            /* For case MESH/PVNR/PROV/BV-04-C, if using OOB public key,
+             * the value of expect_ack_for shall be PROV_PUB_KEY.
+             */
+            if (pub_key_oob) {
+                return;
+            }
             break;
         case PROV_PUB_KEY:
             prov_gen_dh_key(idx);