diff --git a/package/kernel/rtl8188eu/patches/040-remove-extern-inline.patch b/package/kernel/rtl8188eu/patches/040-remove-extern-inline.patch
new file mode 100644
index 0000000000..e3355e3aa6
--- /dev/null
+++ b/package/kernel/rtl8188eu/patches/040-remove-extern-inline.patch
@@ -0,0 +1,24 @@
+--- a/include/ieee80211.h
++++ b/include/ieee80211.h
+@@ -1529,18 +1529,18 @@ enum ieee80211_state {
+ 	(((Addr[2]) & 0xff) == 0xff) && (((Addr[3]) & 0xff) == 0xff) && (((Addr[4]) & 0xff) == 0xff) && \
+ 				     (((Addr[5]) & 0xff) == 0xff))
+ #else
+-extern __inline int is_multicast_mac_addr(const u8 *addr)
++__inline static int is_multicast_mac_addr(const u8 *addr)
+ {
+ 	return (addr[0] != 0xff) && (0x01 & addr[0]);
+ }
+ 
+-extern __inline int is_broadcast_mac_addr(const u8 *addr)
++__inline static int is_broadcast_mac_addr(const u8 *addr)
+ {
+ 	return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&   \
+ 		(addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff));
+ }
+ 
+-extern __inline int is_zero_mac_addr(const u8 *addr)
++__inline static int is_zero_mac_addr(const u8 *addr)
+ {
+ 	return ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) &&   \
+ 		(addr[3] == 0x00) && (addr[4] == 0x00) && (addr[5] == 0x00));
diff --git a/package/kernel/rtl8192eu/patches/040-remove-extern-inline.patch b/package/kernel/rtl8192eu/patches/040-remove-extern-inline.patch
new file mode 100644
index 0000000000..b925f8fd62
--- /dev/null
+++ b/package/kernel/rtl8192eu/patches/040-remove-extern-inline.patch
@@ -0,0 +1,24 @@
+--- a/include/ieee80211.h
++++ b/include/ieee80211.h
+@@ -780,18 +780,18 @@ join_res:
+ #define PORT_FMT "%u"
+ #define PORT_ARG(x) ntohs(*((u16 *)(x)))
+ 
+-extern __inline int is_multicast_mac_addr(const u8 *addr)
++__inline int is_multicast_mac_addr(const u8 *addr)
+ {
+ 	return (addr[0] != 0xff) && (0x01 & addr[0]);
+ }
+ 
+-extern __inline int is_broadcast_mac_addr(const u8 *addr)
++__inline int is_broadcast_mac_addr(const u8 *addr)
+ {
+ 	return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&   \
+ 		(addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff));
+ }
+ 
+-extern __inline int is_zero_mac_addr(const u8 *addr)
++__inline int is_zero_mac_addr(const u8 *addr)
+ {
+ 	return ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) &&   \
+ 		(addr[3] == 0x00) && (addr[4] == 0x00) && (addr[5] == 0x00));
diff --git a/package/kernel/rtl8812au-ac/patches/060-remove-extern-inline.patch b/package/kernel/rtl8812au-ac/patches/060-remove-extern-inline.patch
new file mode 100644
index 0000000000..11b8a0cb12
--- /dev/null
+++ b/package/kernel/rtl8812au-ac/patches/060-remove-extern-inline.patch
@@ -0,0 +1,24 @@
+--- a/include/ieee80211.h
++++ b/include/ieee80211.h
+@@ -1616,18 +1616,18 @@ enum ieee80211_state {
+ 	(((Addr[2]) & 0xff) == 0xff) && (((Addr[3]) & 0xff) == 0xff) && (((Addr[4]) & 0xff) == 0xff) && \
+ 				     (((Addr[5]) & 0xff) == 0xff))
+ #else
+-extern __inline int is_multicast_mac_addr(const u8 *addr)
++__inline static int is_multicast_mac_addr(const u8 *addr)
+ {
+ 	return (addr[0] != 0xff) && (0x01 & addr[0]);
+ }
+ 
+-extern __inline int is_broadcast_mac_addr(const u8 *addr)
++__inline static int is_broadcast_mac_addr(const u8 *addr)
+ {
+ 	return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&   \
+ 		(addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff));
+ }
+ 
+-extern __inline int is_zero_mac_addr(const u8 *addr)
++__inline static int is_zero_mac_addr(const u8 *addr)
+ {
+ 	return ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) &&   \
+ 		(addr[3] == 0x00) && (addr[4] == 0x00) && (addr[5] == 0x00));
diff --git a/package/kernel/rtl8821cu/patches/030-change-value-of-vht-enable.patch b/package/kernel/rtl8821cu/patches/030-change-value-of-vht-enable.patch
index 34dcd8e4de..d82aa31bfd 100644
--- a/package/kernel/rtl8821cu/patches/030-change-value-of-vht-enable.patch
+++ b/package/kernel/rtl8821cu/patches/030-change-value-of-vht-enable.patch
@@ -1,6 +1,6 @@
 --- a/os_dep/linux/os_intfs.c
 +++ b/os_dep/linux/os_intfs.c
-@@ -238,7 +238,7 @@
+@@ -238,7 +238,7 @@ int rtw_bfee_rf_number = 0; /*Beamformee
  #endif /* CONFIG_80211N_HT */
  
  #ifdef CONFIG_80211AC_VHT
diff --git a/package/kernel/rtl8821cu/patches/040-wireless-5.8.patch b/package/kernel/rtl8821cu/patches/040-wireless-5.8.patch
index 2453c61ff0..273ffc6805 100644
--- a/package/kernel/rtl8821cu/patches/040-wireless-5.8.patch
+++ b/package/kernel/rtl8821cu/patches/040-wireless-5.8.patch
@@ -1,8 +1,6 @@
-diff --git a/os_dep/linux/ioctl_cfg80211.c b/os_dep/linux/ioctl_cfg80211.c
-index d9c81c9..3e7e27a 100755
 --- a/os_dep/linux/ioctl_cfg80211.c
 +++ b/os_dep/linux/ioctl_cfg80211.c
-@@ -7149,7 +7149,7 @@ static void cfg80211_rtw_mgmt_frame_register(struct wiphy *wiphy,
+@@ -7149,7 +7149,7 @@ static void cfg80211_rtw_mgmt_frame_regi
  #else
  	struct net_device *ndev,
  #endif
@@ -11,7 +9,7 @@ index d9c81c9..3e7e27a 100755
  	struct mgmt_frame_regs *upd)
  #else
  	u16 frame_type, bool reg)
-@@ -7178,7 +7178,7 @@ static void cfg80211_rtw_mgmt_frame_register(struct wiphy *wiphy,
+@@ -7178,7 +7178,7 @@ static void cfg80211_rtw_mgmt_frame_regi
  	/* Wait QC Verify */
  	return;
  
@@ -20,7 +18,7 @@ index d9c81c9..3e7e27a 100755
  	SET_CFG80211_REPORT_MGMT(pwdev_priv, IEEE80211_STYPE_PROBE_REQ, upd->interface_stypes & BIT(IEEE80211_STYPE_PROBE_REQ >> 4));
  #else
  	switch (frame_type) {
-@@ -9467,7 +9467,7 @@ static struct cfg80211_ops rtw_cfg80211_ops = {
+@@ -9467,7 +9467,7 @@ static struct cfg80211_ops rtw_cfg80211_
  
  #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
  	.mgmt_tx = cfg80211_rtw_mgmt_tx,
@@ -29,11 +27,9 @@ index d9c81c9..3e7e27a 100755
  	.update_mgmt_frame_registrations = cfg80211_rtw_mgmt_frame_register,
  #else
  	.mgmt_frame_register = cfg80211_rtw_mgmt_frame_register,
-diff --git a/os_dep/linux/os_intfs.c b/os_dep/linux/os_intfs.c
-index 257c581..f97fa24 100755
 --- a/os_dep/linux/os_intfs.c
 +++ b/os_dep/linux/os_intfs.c
-@@ -1302,6 +1302,14 @@ unsigned int rtw_classify8021d(struct sk_buff *skb)
+@@ -1306,6 +1306,14 @@ unsigned int rtw_classify8021d(struct sk
  }
  
  
@@ -48,7 +44,7 @@ index 257c581..f97fa24 100755
  static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb
  #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)
  	, void *accel_priv
-@@ -1310,6 +1318,7 @@ static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb
+@@ -1314,6 +1322,7 @@ static u16 rtw_select_queue(struct net_d
  	#endif
  #endif
  )