--- /dev/null
+From: Sven Eckelmann <sven@narfation.org>
+Date: Fri, 2 Feb 2024 22:49:48 +0100
+Subject: Revert "batman-adv: Switch to linux/array_size.h"
+
+The original patch requires Linux 6.7.0 or a mac80211 compat header with this
+name. But the mac80211 package is currently not providing this header and
+OpenWrt main is still using older Linux kernel versions for some targets.
+
+This reverts commit f33d7f724675544a36b24c77f8d4b95d41252ae2.
+
+--- a/compat-include/linux/array_size.h
++++ /dev/null
+@@ -1,20 +0,0 @@
+-/* SPDX-License-Identifier: GPL-2.0 */
+-/* Copyright (C) B.A.T.M.A.N. contributors:
+- *
+- * Marek Lindner, Simon Wunderlich
+- *
+- * This file contains macros for maintaining compatibility with older versions
+- * of the Linux kernel.
+- */
+-
+-#ifndef _NET_BATMAN_ADV_COMPAT_LINUX_ARRAY_SIZE_H_
+-#define _NET_BATMAN_ADV_COMPAT_LINUX_ARRAY_SIZE_H_
+-
+-#include <linux/version.h>
+-#if LINUX_VERSION_IS_GEQ(6, 7, 0)
+-#include_next <linux/array_size.h>
+-#else
+-#include <linux/kernel.h>
+-#endif
+-
+-#endif /* _NET_BATMAN_ADV_COMPAT_LINUX_ARRAY_SIZE_H_ */
+--- a/net/batman-adv/main.c
++++ b/net/batman-adv/main.c
+@@ -6,7 +6,6 @@
+
+ #include "main.h"
+
+-#include <linux/array_size.h>
+ #include <linux/atomic.h>
+ #include <linux/build_bug.h>
+ #include <linux/byteorder/generic.h>
+@@ -20,6 +19,7 @@
+ #include <linux/init.h>
+ #include <linux/ip.h>
+ #include <linux/ipv6.h>
++#include <linux/kernel.h>
+ #include <linux/kobject.h>
+ #include <linux/kref.h>
+ #include <linux/list.h>
+--- a/net/batman-adv/netlink.c
++++ b/net/batman-adv/netlink.c
+@@ -7,7 +7,6 @@
+ #include "netlink.h"
+ #include "main.h"
+
+-#include <linux/array_size.h>
+ #include <linux/atomic.h>
+ #include <linux/bitops.h>
+ #include <linux/bug.h>
+@@ -21,6 +20,7 @@
+ #include <linux/if_ether.h>
+ #include <linux/if_vlan.h>
+ #include <linux/init.h>
++#include <linux/kernel.h>
+ #include <linux/limits.h>
+ #include <linux/list.h>
+ #include <linux/minmax.h>