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..b5212ceb4eb4 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -6504,6 +6504,10 @@ static void rtl8xxxu_configure_filter(struct ieee80211_hw *hw,
 	struct rtl8xxxu_priv *priv = hw->priv;
 	u32 rcr = priv->regrcr;
 
+	if (rcr != rtl8xxxu_read32(priv, REG_RCR)) {
+		pr_info("BEFORE: REG_RCR differs from regrcr: 0x%x insted of 0x%x\n",
+			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);
 
@@ -6547,6 +6551,10 @@ static void rtl8xxxu_configure_filter(struct ieee80211_hw *hw,
 	 * FIF_PROBE_REQ ignored as probe requests always seem to be accepted
 	 */
 
+	if (rcr != rtl8xxxu_read32(priv, REG_RCR)) {
+		pr_info("AFTER: REG_RCR differs from regrcr: 0x%x insted of 0x%x\n",
+			rtl8xxxu_read32(priv, REG_RCR), priv->regrcr);
+	}
 	rtl8xxxu_write32(priv, REG_RCR, rcr);
 	priv->regrcr = rcr;