From 75997117e43acef0894aeadbfda8f781f9bc4b70 Mon Sep 17 00:00:00 2001
From: Andrew Leech <andrew.leech@planetinnovation.com.au>
Date: Thu, 23 Sep 2021 14:42:37 +1000
Subject: [PATCH] aioble/security: Only schedule save when needed.

Was getting occasional: RuntimeError: schedule queue full
---
 micropython/bluetooth/aioble/aioble/security.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/micropython/bluetooth/aioble/aioble/security.py b/micropython/bluetooth/aioble/aioble/security.py
index 8e04d5b7b..9ae9debb4 100644
--- a/micropython/bluetooth/aioble/aioble/security.py
+++ b/micropython/bluetooth/aioble/aioble/security.py
@@ -106,8 +106,9 @@ def _security_irq(event, data):
             _secrets[key] = value
 
         # Queue up a save (don't synchronously write to flash).
-        _modified = True
-        schedule(_save_secrets, None)
+        if not _modified:
+            _modified = True
+            schedule(_save_secrets, None)
 
         return True