diff --git a/patches/0044-mac80211-fix-builds-on-ath79-targets.patch b/patches/0044-mac80211-fix-builds-on-ath79-targets.patch
new file mode 100644
index 000000000..32ceb2806
--- /dev/null
+++ b/patches/0044-mac80211-fix-builds-on-ath79-targets.patch
@@ -0,0 +1,60 @@
+From 7d1503f1fb878bf27aa1bfa15d81394eaf8888d0 Mon Sep 17 00:00:00 2001
+From: John Crispin <john@phrozen.org>
+Date: Mon, 13 Sep 2021 13:42:00 +0200
+Subject: [PATCH] mac80211: fix builds on ath79 targets
+
+Signed-off-by: John Crispin <john@phrozen.org>
+---
+ .../100-backport_of_get_mac_address.patch     | 40 +++++++++++++++++++
+ 1 file changed, 40 insertions(+)
+ create mode 100644 package/kernel/mac80211/patches/build/100-backport_of_get_mac_address.patch
+
+diff --git a/package/kernel/mac80211/patches/build/100-backport_of_get_mac_address.patch b/package/kernel/mac80211/patches/build/100-backport_of_get_mac_address.patch
+new file mode 100644
+index 0000000000..79c2343522
+--- /dev/null
++++ b/package/kernel/mac80211/patches/build/100-backport_of_get_mac_address.patch
+@@ -0,0 +1,40 @@
++--- a/backport-include/linux/of_net.h
+++++ b/backport-include/linux/of_net.h
++@@ -2,6 +2,7 @@
++ #define _BP_OF_NET_H
++ #include_next <linux/of_net.h>
++ #include <linux/version.h>
+++#include <linux/etherdevice.h>
++ 
++ #ifndef CONFIG_OF
++ #if LINUX_VERSION_IS_LESS(3,10,0)
++@@ -12,18 +13,23 @@ static inline const void *of_get_mac_add
++ #endif
++ #endif
++ 
++-/* The behavior of of_get_mac_address() changed in kernel 5.2, it now
++- * returns an error code and not NULL in case of an error.
+++/* The behavior of of_get_mac_address() changed in kernel 5.15, it now
+++ * accepts an argument with the destination buffer to copy the address to
++  */
++-#if LINUX_VERSION_IS_LESS(5,2,0)
++-static inline const void *backport_of_get_mac_address(struct device_node *np)
+++#if LINUX_VERSION_IS_LESS(5,15,0)
+++static inline int backport_of_get_mac_address(struct device_node *np, u8 *addr)
++ {
++ 	const void *mac = of_get_mac_address(np);
++ 
+++	if (IS_ERR(mac))
+++		return PTR_ERR(mac);
+++
++ 	if (!mac)
++-		return ERR_PTR(-ENODEV);
+++		return -ENODEV;
+++
+++	memcpy(addr, mac, ETH_ALEN);
++ 
++-	return mac;
+++	return 0;
++ }
++ #define of_get_mac_address LINUX_BACKPORT(of_get_mac_address)
++ #endif /* < 5.2 */
+-- 
+2.25.1
+