From 814ea0ed8869a29ea84a5f1ac336062514781cf0 Mon Sep 17 00:00:00 2001
From: Piotr Narajowski <piotr.narajowski@codecoup.pl>
Date: Thu, 1 Aug 2024 16:47:03 +0200
Subject: [PATCH] host: sm: ignore security request

We should ignore second security request pairing has already started
---
 nimble/host/src/ble_sm.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/nimble/host/src/ble_sm.c b/nimble/host/src/ble_sm.c
index bb1dfe0842..eed5e3638b 100644
--- a/nimble/host/src/ble_sm.c
+++ b/nimble/host/src/ble_sm.c
@@ -2007,6 +2007,14 @@ ble_sm_sec_req_rx(uint16_t conn_handle, struct os_mbuf **om,
     ble_hs_lock();
 
     conn = ble_hs_conn_find_assert(conn_handle);
+
+    /* Check if pairing procedure is already in progress */
+    if (ble_sm_proc_find(conn_handle, BLE_SM_PROC_STATE_PAIR, 1, NULL)) {
+        ble_hs_unlock();
+        res->app_status = 0;
+        return;
+    }
+
     if (!(conn->bhc_flags & BLE_HS_CONN_F_MASTER)) {
         res->app_status = BLE_HS_SM_US_ERR(BLE_SM_ERR_CMD_NOT_SUPP);
         res->sm_err = BLE_SM_ERR_CMD_NOT_SUPP;