diff --git a/devices/igb/Makefile.am b/devices/igb/Makefile.am
index 0a5f7275..1ee45730 100644
--- a/devices/igb/Makefile.am
+++ b/devices/igb/Makefile.am
@@ -1,6 +1,6 @@
 #------------------------------------------------------------------------------
 #
-#  Copyright (C) 2006-2021  Florian Pose, Ingenieurgemeinschaft IgH
+#  Copyright (C) 2006-2026  Florian Pose, Ingenieurgemeinschaft IgH
 #
 #  This file is part of the IgH EtherCAT Master.
 #
@@ -26,14 +26,14 @@ EXTRA_DIST = \
 	e1000_82575-3.18-ethercat.h \
 	e1000_82575-3.18-orig.c \
 	e1000_82575-3.18-orig.h \
-	e1000_82575-4.19-ethercat.c \
-	e1000_82575-4.19-ethercat.h \
-	e1000_82575-4.19-orig.c \
-	e1000_82575-4.19-orig.h \
 	e1000_82575-4.4-ethercat.c \
 	e1000_82575-4.4-ethercat.h \
 	e1000_82575-4.4-orig.c \
 	e1000_82575-4.4-orig.h \
+	e1000_82575-4.19-ethercat.c \
+	e1000_82575-4.19-ethercat.h \
+	e1000_82575-4.19-orig.c \
+	e1000_82575-4.19-orig.h \
 	e1000_82575-5.10-ethercat.c \
 	e1000_82575-5.10-ethercat.h \
 	e1000_82575-5.10-orig.c \
@@ -55,8 +55,8 @@ EXTRA_DIST = \
 	e1000_82575-6.4-orig.c \
 	e1000_82575-6.4-orig.h \
 	e1000_82575-6.8-ethercat.c \
-	e1000_82575-6.8-orig.c \
 	e1000_82575-6.8-ethercat.h \
+	e1000_82575-6.8-orig.c \
 	e1000_82575-6.8-orig.h \
 	e1000_82575-6.12-ethercat.c \
 	e1000_82575-6.12-ethercat.h \
@@ -64,10 +64,10 @@ EXTRA_DIST = \
 	e1000_82575-6.12-orig.h \
 	e1000_defines-3.18-ethercat.h \
 	e1000_defines-3.18-orig.h \
-	e1000_defines-4.19-ethercat.h \
-	e1000_defines-4.19-orig.h \
 	e1000_defines-4.4-ethercat.h \
 	e1000_defines-4.4-orig.h \
+	e1000_defines-4.19-ethercat.h \
+	e1000_defines-4.19-orig.h \
 	e1000_defines-5.10-ethercat.h \
 	e1000_defines-5.10-orig.h \
 	e1000_defines-5.14-ethercat.h \
@@ -84,10 +84,10 @@ EXTRA_DIST = \
 	e1000_defines-6.12-orig.h \
 	e1000_hw-3.18-ethercat.h \
 	e1000_hw-3.18-orig.h \
-	e1000_hw-4.19-ethercat.h \
-	e1000_hw-4.19-orig.h \
 	e1000_hw-4.4-ethercat.h \
 	e1000_hw-4.4-orig.h \
+	e1000_hw-4.19-ethercat.h \
+	e1000_hw-4.19-orig.h \
 	e1000_hw-5.10-ethercat.h \
 	e1000_hw-5.10-orig.h \
 	e1000_hw-5.14-ethercat.h \
@@ -106,14 +106,14 @@ EXTRA_DIST = \
 	e1000_i210-3.18-ethercat.h \
 	e1000_i210-3.18-orig.c \
 	e1000_i210-3.18-orig.h \
-	e1000_i210-4.19-ethercat.c \
-	e1000_i210-4.19-ethercat.h \
-	e1000_i210-4.19-orig.c \
-	e1000_i210-4.19-orig.h \
 	e1000_i210-4.4-ethercat.c \
 	e1000_i210-4.4-ethercat.h \
 	e1000_i210-4.4-orig.c \
 	e1000_i210-4.4-orig.h \
+	e1000_i210-4.19-ethercat.c \
+	e1000_i210-4.19-ethercat.h \
+	e1000_i210-4.19-orig.c \
+	e1000_i210-4.19-orig.h \
 	e1000_i210-5.10-ethercat.c \
 	e1000_i210-5.10-ethercat.h \
 	e1000_i210-5.10-orig.c \
@@ -146,14 +146,14 @@ EXTRA_DIST = \
 	e1000_mac-3.18-ethercat.h \
 	e1000_mac-3.18-orig.c \
 	e1000_mac-3.18-orig.h \
-	e1000_mac-4.19-ethercat.c \
-	e1000_mac-4.19-ethercat.h \
-	e1000_mac-4.19-orig.c \
-	e1000_mac-4.19-orig.h \
 	e1000_mac-4.4-ethercat.c \
 	e1000_mac-4.4-ethercat.h \
 	e1000_mac-4.4-orig.c \
 	e1000_mac-4.4-orig.h \
+	e1000_mac-4.19-ethercat.c \
+	e1000_mac-4.19-ethercat.h \
+	e1000_mac-4.19-orig.c \
+	e1000_mac-4.19-orig.h \
 	e1000_mac-5.10-ethercat.c \
 	e1000_mac-5.10-ethercat.h \
 	e1000_mac-5.10-orig.c \
@@ -186,14 +186,14 @@ EXTRA_DIST = \
 	e1000_mbx-3.18-ethercat.h \
 	e1000_mbx-3.18-orig.c \
 	e1000_mbx-3.18-orig.h \
-	e1000_mbx-4.19-ethercat.c \
-	e1000_mbx-4.19-ethercat.h \
-	e1000_mbx-4.19-orig.c \
-	e1000_mbx-4.19-orig.h \
 	e1000_mbx-4.4-ethercat.c \
 	e1000_mbx-4.4-ethercat.h \
 	e1000_mbx-4.4-orig.c \
 	e1000_mbx-4.4-orig.h \
+	e1000_mbx-4.19-ethercat.c \
+	e1000_mbx-4.19-ethercat.h \
+	e1000_mbx-4.19-orig.c \
+	e1000_mbx-4.19-orig.h \
 	e1000_mbx-5.10-ethercat.c \
 	e1000_mbx-5.10-ethercat.h \
 	e1000_mbx-5.10-orig.c \
@@ -226,14 +226,14 @@ EXTRA_DIST = \
 	e1000_nvm-3.18-ethercat.h \
 	e1000_nvm-3.18-orig.c \
 	e1000_nvm-3.18-orig.h \
-	e1000_nvm-4.19-ethercat.c \
-	e1000_nvm-4.19-ethercat.h \
-	e1000_nvm-4.19-orig.c \
-	e1000_nvm-4.19-orig.h \
 	e1000_nvm-4.4-ethercat.c \
 	e1000_nvm-4.4-ethercat.h \
 	e1000_nvm-4.4-orig.c \
 	e1000_nvm-4.4-orig.h \
+	e1000_nvm-4.19-ethercat.c \
+	e1000_nvm-4.19-ethercat.h \
+	e1000_nvm-4.19-orig.c \
+	e1000_nvm-4.19-orig.h \
 	e1000_nvm-5.10-ethercat.c \
 	e1000_nvm-5.10-ethercat.h \
 	e1000_nvm-5.10-orig.c \
@@ -255,7 +255,7 @@ EXTRA_DIST = \
 	e1000_nvm-6.4-orig.c \
 	e1000_nvm-6.4-orig.h \
 	e1000_nvm-6.8-ethercat.c \
-	e1000_nvm-6.8-orig.h \
+	e1000_nvm-6.8-ethercat.h \
 	e1000_nvm-6.8-orig.c \
 	e1000_nvm-6.8-orig.h \
 	e1000_nvm-6.12-ethercat.c \
@@ -266,14 +266,14 @@ EXTRA_DIST = \
 	e1000_phy-3.18-ethercat.h \
 	e1000_phy-3.18-orig.c \
 	e1000_phy-3.18-orig.h \
-	e1000_phy-4.19-ethercat.c \
-	e1000_phy-4.19-ethercat.h \
-	e1000_phy-4.19-orig.c \
-	e1000_phy-4.19-orig.h \
 	e1000_phy-4.4-ethercat.c \
 	e1000_phy-4.4-ethercat.h \
 	e1000_phy-4.4-orig.c \
 	e1000_phy-4.4-orig.h \
+	e1000_phy-4.19-ethercat.c \
+	e1000_phy-4.19-ethercat.h \
+	e1000_phy-4.19-orig.c \
+	e1000_phy-4.19-orig.h \
 	e1000_phy-5.10-ethercat.c \
 	e1000_phy-5.10-ethercat.h \
 	e1000_phy-5.10-orig.c \
@@ -289,11 +289,9 @@ EXTRA_DIST = \
 	e1000_phy-6.1-ethercat.c \
 	e1000_phy-6.1-ethercat.h \
 	e1000_phy-6.1-orig.c \
-	e1000_phy-6.1-orig.c \
 	e1000_phy-6.4-ethercat.c \
 	e1000_phy-6.4-ethercat.h \
 	e1000_phy-6.4-orig.h \
-	e1000_phy-6.4-orig.h \
 	e1000_phy-6.8-ethercat.c \
 	e1000_phy-6.8-ethercat.h \
 	e1000_phy-6.8-orig.c \
@@ -304,10 +302,10 @@ EXTRA_DIST = \
 	e1000_phy-6.12-orig.h \
 	e1000_regs-3.18-ethercat.h \
 	e1000_regs-3.18-orig.h \
-	e1000_regs-4.19-ethercat.h \
-	e1000_regs-4.19-orig.h \
 	e1000_regs-4.4-ethercat.h \
 	e1000_regs-4.4-orig.h \
+	e1000_regs-4.19-ethercat.h \
+	e1000_regs-4.19-orig.h \
 	e1000_regs-5.10-ethercat.h \
 	e1000_regs-5.10-orig.h \
 	e1000_regs-5.14-ethercat.h \
@@ -324,10 +322,10 @@ EXTRA_DIST = \
 	e1000_regs-6.12-orig.h \
 	igb-3.18-ethercat.h \
 	igb-3.18-orig.h \
-	igb-4.19-ethercat.h \
-	igb-4.19-orig.h \
 	igb-4.4-ethercat.h \
 	igb-4.4-orig.h \
+	igb-4.19-ethercat.h \
+	igb-4.19-orig.h \
 	igb-5.10-ethercat.h \
 	igb-5.10-orig.h \
 	igb-5.14-ethercat.h \
@@ -344,10 +342,10 @@ EXTRA_DIST = \
 	igb-6.12-orig.h \
 	igb_ethtool-3.18-ethercat.c \
 	igb_ethtool-3.18-orig.c \
-	igb_ethtool-4.19-ethercat.c \
-	igb_ethtool-4.19-orig.c \
 	igb_ethtool-4.4-ethercat.c \
 	igb_ethtool-4.4-orig.c \
+	igb_ethtool-4.19-ethercat.c \
+	igb_ethtool-4.19-orig.c \
 	igb_ethtool-5.10-ethercat.c \
 	igb_ethtool-5.10-orig.c \
 	igb_ethtool-5.14-ethercat.c \
@@ -362,10 +360,10 @@ EXTRA_DIST = \
 	igb_ethtool-6.12-orig.c \
 	igb_hwmon-3.18-ethercat.c \
 	igb_hwmon-3.18-orig.c \
-	igb_hwmon-4.19-ethercat.c \
-	igb_hwmon-4.19-orig.c \
 	igb_hwmon-4.4-ethercat.c \
 	igb_hwmon-4.4-orig.c \
+	igb_hwmon-4.19-ethercat.c \
+	igb_hwmon-4.19-orig.c \
 	igb_hwmon-5.10-ethercat.c \
 	igb_hwmon-5.10-orig.c \
 	igb_hwmon-5.14-ethercat.c \
@@ -382,10 +380,10 @@ EXTRA_DIST = \
 	igb_hwmon-6.12-orig.c \
 	igb_main-3.18-ethercat.c \
 	igb_main-3.18-orig.c \
-	igb_main-4.19-ethercat.c \
-	igb_main-4.19-orig.c \
 	igb_main-4.4-ethercat.c \
 	igb_main-4.4-orig.c \
+	igb_main-4.19-ethercat.c \
+	igb_main-4.19-orig.c \
 	igb_main-5.10-ethercat.c \
 	igb_main-5.10-orig.c \
 	igb_main-5.14-ethercat.c \
@@ -402,10 +400,10 @@ EXTRA_DIST = \
 	igb_main-6.12-orig.c \
 	igb_ptp-3.18-ethercat.c \
 	igb_ptp-3.18-orig.c \
-	igb_ptp-4.19-ethercat.c \
-	igb_ptp-4.19-orig.c \
 	igb_ptp-4.4-ethercat.c \
 	igb_ptp-4.4-orig.c \
+	igb_ptp-4.19-ethercat.c \
+	igb_ptp-4.19-orig.c \
 	igb_ptp-5.10-ethercat.c \
 	igb_ptp-5.10-orig.c \
 	igb_ptp-5.14-ethercat.c \
diff --git a/devices/igb/e1000_i210-6.8-ethercat.c b/devices/igb/e1000_i210-6.8-ethercat.c
index 01d94414..668bfdb2 100644
--- a/devices/igb/e1000_i210-6.8-ethercat.c
+++ b/devices/igb/e1000_i210-6.8-ethercat.c
@@ -8,6 +8,7 @@
 #include <linux/bitfield.h>
 #include <linux/if_ether.h>
 #include <linux/types.h>
+
 #include "e1000_hw-6.8-ethercat.h"
 #include "e1000_i210-6.8-ethercat.h"
 
diff --git a/devices/igb/e1000_nvm-6.8-ethercat.c b/devices/igb/e1000_nvm-6.8-ethercat.c
index 378b68c5..d44f41cb 100644
--- a/devices/igb/e1000_nvm-6.8-ethercat.c
+++ b/devices/igb/e1000_nvm-6.8-ethercat.c
@@ -4,6 +4,7 @@
 #include <linux/bitfield.h>
 #include <linux/delay.h>
 #include <linux/if_ether.h>
+
 #include "e1000_mac-6.8-ethercat.h"
 #include "e1000_nvm-6.8-ethercat.h"
 
diff --git a/devices/igb/e1000_phy-6.8-ethercat.c b/devices/igb/e1000_phy-6.8-ethercat.c
index 287ef690..ddcc8a46 100644
--- a/devices/igb/e1000_phy-6.8-ethercat.c
+++ b/devices/igb/e1000_phy-6.8-ethercat.c
@@ -4,6 +4,7 @@
 #include <linux/bitfield.h>
 #include <linux/delay.h>
 #include <linux/if_ether.h>
+
 #include "e1000_mac-6.8-ethercat.h"
 #include "e1000_phy-6.8-ethercat.h"
 
diff --git a/devices/igb/igb_ethtool-6.8-ethercat.c b/devices/igb/igb_ethtool-6.8-ethercat.c
index 4f28115b..99698ff3 100644
--- a/devices/igb/igb_ethtool-6.8-ethercat.c
+++ b/devices/igb/igb_ethtool-6.8-ethercat.c
@@ -18,19 +18,6 @@
 
 #include "igb-6.8-ethercat.h"
 
-
-#ifdef CONFIG_SUSE_KERNEL
-#include <linux/suse_version.h>
-#else
-#  ifndef SUSE_VERSION
-#    define SUSE_VERSION 0
-#  endif
-#  ifndef SUSE_PATCHLEVEL
-#    define SUSE_PATCHLEVEL 0
-#  endif
-#endif
-
-
 struct igb_stats {
 	char stat_string[ETH_GSTRING_LEN];
 	int sizeof_stat;
diff --git a/devices/igb/igb_main-6.8-ethercat.c b/devices/igb/igb_main-6.8-ethercat.c
index 13c6556d..9ce4bffa 100644
--- a/devices/igb/igb_main-6.8-ethercat.c
+++ b/devices/igb/igb_main-6.8-ethercat.c
@@ -37,6 +37,7 @@
 #include <linux/dca.h>
 #endif
 #include <linux/i2c.h>
+
 #include "igb-6.8-ethercat.h"
 
 enum queue_mode {
diff --git a/devices/r8169/r8169_main-5.10-ethercat.c b/devices/r8169/r8169_main-5.10-ethercat.c
index b00c04af..9c4b8b37 100644
--- a/devices/r8169/r8169_main-5.10-ethercat.c
+++ b/devices/r8169/r8169_main-5.10-ethercat.c
@@ -5093,7 +5093,9 @@ static void rtl_remove_one(struct pci_dev *pdev)
 	rtl_release_firmware(tp);
 
 	/* restore original MAC address */
-	rtl_rar_set(tp, tp->dev->perm_addr);
+	if (is_valid_ether_addr(tp->dev->perm_addr)) {
+		rtl_rar_set(tp, tp->dev->perm_addr);
+	}
 }
 
 static const struct net_device_ops rtl_netdev_ops = {
diff --git a/devices/r8169/r8169_main-5.14-ethercat.c b/devices/r8169/r8169_main-5.14-ethercat.c
index 287bda91..7306ccd8 100644
--- a/devices/r8169/r8169_main-5.14-ethercat.c
+++ b/devices/r8169/r8169_main-5.14-ethercat.c
@@ -5071,7 +5071,9 @@ static void rtl_remove_one(struct pci_dev *pdev)
 	rtl_release_firmware(tp);
 
 	/* restore original MAC address */
-	rtl_rar_set(tp, tp->dev->perm_addr);
+	if (is_valid_ether_addr(tp->dev->perm_addr)) {
+		rtl_rar_set(tp, tp->dev->perm_addr);
+	}
 }
 
 static const struct net_device_ops rtl_netdev_ops = {
diff --git a/devices/r8169/r8169_main-5.15-ethercat.c b/devices/r8169/r8169_main-5.15-ethercat.c
index 0e1f88f9..e115922a 100644
--- a/devices/r8169/r8169_main-5.15-ethercat.c
+++ b/devices/r8169/r8169_main-5.15-ethercat.c
@@ -5064,7 +5064,9 @@ static void rtl_remove_one(struct pci_dev *pdev)
 	rtl_release_firmware(tp);
 
 	/* restore original MAC address */
-	rtl_rar_set(tp, tp->dev->perm_addr);
+	if (is_valid_ether_addr(tp->dev->perm_addr)) {
+		rtl_rar_set(tp, tp->dev->perm_addr);
+	}
 }
 
 static const struct net_device_ops rtl_netdev_ops = {
diff --git a/devices/r8169/r8169_main-6.1-ethercat.c b/devices/r8169/r8169_main-6.1-ethercat.c
index 3f4a77ca..f488fa84 100644
--- a/devices/r8169/r8169_main-6.1-ethercat.c
+++ b/devices/r8169/r8169_main-6.1-ethercat.c
@@ -4942,7 +4942,9 @@ static void rtl_remove_one(struct pci_dev *pdev)
 	rtl_release_firmware(tp);
 
 	/* restore original MAC address */
-	rtl_rar_set(tp, tp->dev->perm_addr);
+	if (is_valid_ether_addr(tp->dev->perm_addr)) {
+		rtl_rar_set(tp, tp->dev->perm_addr);
+	}
 }
 
 static const struct net_device_ops rtl_netdev_ops = {
diff --git a/devices/r8169/r8169_main-6.12-ethercat.c b/devices/r8169/r8169_main-6.12-ethercat.c
index 9f81baf5..b1a31f50 100644
--- a/devices/r8169/r8169_main-6.12-ethercat.c
+++ b/devices/r8169/r8169_main-6.12-ethercat.c
@@ -5168,8 +5168,9 @@ static void rtl_shutdown(struct pci_dev *pdev)
 	rtnl_unlock();
 
 	/* Restore original MAC address */
-	rtl_rar_set(tp, tp->dev->perm_addr);
-
+	if (is_valid_ether_addr(tp->dev->perm_addr)) {
+		rtl_rar_set(tp, tp->dev->perm_addr);
+	}
 	if (system_state == SYSTEM_POWER_OFF && !tp->dash_enabled) {
 		pci_wake_from_d3(pdev, tp->saved_wolopts);
 		pci_set_power_state(pdev, PCI_D3hot);
@@ -5202,7 +5203,9 @@ static void rtl_remove_one(struct pci_dev *pdev)
 	rtl_release_firmware(tp);
 
 	/* restore original MAC address */
-	rtl_rar_set(tp, tp->dev->perm_addr);
+	if (is_valid_ether_addr(tp->dev->perm_addr)) {
+		rtl_rar_set(tp, tp->dev->perm_addr);
+	}
 }
 
 static const struct net_device_ops rtl_netdev_ops = {
diff --git a/devices/r8169/r8169_main-6.4-ethercat.c b/devices/r8169/r8169_main-6.4-ethercat.c
index f17815d8..5b2f1d9c 100644
--- a/devices/r8169/r8169_main-6.4-ethercat.c
+++ b/devices/r8169/r8169_main-6.4-ethercat.c
@@ -4984,7 +4984,9 @@ static void rtl_remove_one(struct pci_dev *pdev)
 	rtl_release_firmware(tp);
 
 	/* restore original MAC address */
-	rtl_rar_set(tp, tp->dev->perm_addr);
+	if (is_valid_ether_addr(tp->dev->perm_addr)) {
+		rtl_rar_set(tp, tp->dev->perm_addr);
+	}
 }
 
 static const struct net_device_ops rtl_netdev_ops = {