--- os_dep/linux/ioctl_cfg80211.c.orig	2022-01-02 11:38:57.841191219 -0800
+++ os_dep/linux/ioctl_cfg80211.c	2022-01-02 11:58:40.939268454 -0800
@@ -439,7 +439,7 @@ u8 rtw_cfg80211_ch_switch_notify(_adapte
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
 	if (started) {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 11, 0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 18, 0))
 		cfg80211_ch_switch_started_notify(adapter->pnetdev, &chdef, 0, false);
 #else
 		cfg80211_ch_switch_started_notify(adapter->pnetdev, &chdef, 0);
@@ -7456,7 +7456,7 @@ exit:
 	return ret;
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 18, 0)
 static void cfg80211_rtw_mgmt_frame_register(struct wiphy *wiphy,
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
 	struct wireless_dev *wdev,
@@ -9920,7 +9920,7 @@ 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,
-#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 18, 0)
 	.mgmt_frame_register = cfg80211_rtw_mgmt_frame_register,
 #else
 	.update_mgmt_frame_registrations = cfg80211_rtw_mgmt_frame_register,