diff --git a/Makefile b/Makefile
index f5543eef4f82..6d985a175d78 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
-PATCHLEVEL = 3
+PATCHLEVEL = 4
 SUBLEVEL = 0
-EXTRAVERSION =
+EXTRAVERSION = -rc0
 NAME = Hurr durr I'ma ninja sloth
 
 # *DOCUMENTATION*
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index 831639d73657..9d778400d2b9 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -4864,6 +4864,10 @@ rtl8xxxu_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	u32 val32;
 	u8 val8;
 
+	if (priv->regrcr != rtl8xxxu_read32(priv, REG_RCR)) {
+		pr_info("REG_RCR corrupted in %s: 0x%x insted of 0x%x\n",
+			__func__, rtl8xxxu_read32(priv, REG_RCR), priv->regrcr);
+	}
 	rarpt = &priv->ra_report;
 
 	if (changed & BSS_CHANGED_ASSOC) {
@@ -6504,6 +6508,10 @@ static void rtl8xxxu_configure_filter(struct ieee80211_hw *hw,
 	struct rtl8xxxu_priv *priv = hw->priv;
 	u32 rcr = priv->regrcr;
 
+	if (priv->regrcr != rtl8xxxu_read32(priv, REG_RCR)) {
+		pr_info("REG_RCR corrupted in %s: 0x%x insted of 0x%x\n",
+			__func__, rtl8xxxu_read32(priv, REG_RCR), priv->regrcr);
+	}
 	dev_dbg(&priv->udev->dev, "%s: changed_flags %08x, total_flags %08x\n",
 		__func__, changed_flags, *total_flags);