From 17248082ea70fbabf58e44fde182a8db1cc8f1c2 Mon Sep 17 00:00:00 2001
From: Sergei Lissianoi <54454955+selissia@users.noreply.github.com>
Date: Wed, 12 Oct 2022 12:38:15 -0400
Subject: [PATCH] Add an assert to guard the FIXED_ENDPOINT_COUNT value
 (#23121)

* Add an assert to guard the FIXED_ENDPOINT_COUNT value
---
 src/app/util/attribute-storage.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/app/util/attribute-storage.cpp b/src/app/util/attribute-storage.cpp
index 1d7b65e802735c..a3803a8cfbd58c 100644
--- a/src/app/util/attribute-storage.cpp
+++ b/src/app/util/attribute-storage.cpp
@@ -107,6 +107,9 @@ void emberAfEndpointConfigure(void)
 {
     uint16_t ep;
 
+    static_assert(FIXED_ENDPOINT_COUNT <= std::numeric_limits<decltype(ep)>::max(),
+                  "FIXED_ENDPOINT_COUNT must not exceed the size of the endpoint data type");
+
 #if !defined(EMBER_SCRIPTED_TEST)
     uint16_t fixedEndpoints[]             = FIXED_ENDPOINT_ARRAY;
     uint16_t fixedDeviceTypeListLengths[] = FIXED_DEVICE_TYPE_LENGTHS;