From 7969bed068ee64e58965e18dff7e55024a835bac Mon Sep 17 00:00:00 2001
From: Bowen Wang <wangbowen6@xiaomi.com>
Date: Thu, 10 Oct 2024 14:15:17 +0800
Subject: [PATCH] lib: system nuttx: include <stddef.h> in nuttx/io.c

Because nuttx/io.c use NULL and NULL is defined in <stddef.h>.

Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
---
 lib/system/nuttx/io.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/system/nuttx/io.c b/lib/system/nuttx/io.c
index ab9bc6ab..c21d7c82 100644
--- a/lib/system/nuttx/io.c
+++ b/lib/system/nuttx/io.c
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+#include <stddef.h>
 #include <metal/cache.h>
 #include <metal/io.h>
 #include <nuttx/arch.h>