From 7cbfb8edc9dbcd460490a4d09b048dd2c6aa8edd Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@google.com>
Date: Tue, 27 May 2025 21:31:01 -0700
Subject: [PATCH] [error] cast `aError` to `size_t` (#11533)

---
 src/core/common/error.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/common/error.cpp b/src/core/common/error.cpp
index ec15c4aaf..5efa8e616 100644
--- a/src/core/common/error.cpp
+++ b/src/core/common/error.cpp
@@ -81,7 +81,7 @@ const char *ErrorToString(Error aError)
         "Rejected",                   // (37) kErrorRejected
     };
 
-    return aError < GetArrayLength(kErrorStrings) ? kErrorStrings[aError] : "UnknownErrorType";
+    return static_cast<size_t>(aError) < GetArrayLength(kErrorStrings) ? kErrorStrings[aError] : "UnknownErrorType";
 }
 
 } // namespace ot