From d63200c0b479839e9ff567023eb0205c04300143 Mon Sep 17 00:00:00 2001
From: luoxu <luoxu@espressif.com>
Date: Fri, 30 Dec 2022 16:15:37 +0800
Subject: [PATCH] ble_mesh: stack: add send transaction ack befor provisioner
 send prov failed msg

---
 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 8ff6ce83ce..41e358c903 100644
--- a/components/bt/esp_ble_mesh/mesh_core/provisioner_prov.c
+++ b/components/bt/esp_ble_mesh/mesh_core/provisioner_prov.c
@@ -2871,6 +2871,12 @@ static void prov_msg_recv(const uint8_t idx)
     return;
 
 fail:
+    /**
+     * FOR the case MESH/PVNR/PROV/BV-10-C and MESH/PVNR/PROV/BI-14-C
+     * Provisioner should send transaction ack before closing the link
+     */
+    gen_prov_ack_send(idx, link[idx].rx.trans_id);
+
     close_link(idx, CLOSE_REASON_FAILED);
     return;
 }