Merge tag 'rtw-2025-11-20' of https://github.com/pkshih/rtw

Ping-Ke Shih says:
==================
rtw patches for v6.18-rc7

Fix firmware goes wrong and causes device unusable after scanning. This
issue presents under certain regulatory domain reported from end users.
==================

Link: https://patch.msgid.link/8217bee0-96c4-44c1-9593-2e9ca12eccc5@RTKEXHMBS03.realtek.com.tw
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

Author: jmberg-intel

drivers/net/wireless/realtek/rtw89/fw.c

@@ -7694,6 +7694,13 @@ int rtw89_hw_scan_add_chan_list_ax(struct rtw89_dev *rtwdev,
 	INIT_LIST_HEAD(&list);
 
 	list_for_each_entry_safe(ch_info, tmp, &scan_info->chan_list, list) {
+		/* The operating channel (tx_null == true) should
+		 * not be last in the list, to avoid breaking
+		 * RTL8851BU and RTL8832BU.
+		 */
+		if (list_len + 1 == RTW89_SCAN_LIST_LIMIT_AX && ch_info->tx_null)
+			break;
+
 		list_move_tail(&ch_info->list, &list);
 
 		list_len++;