I tried to create a patch for the tinker board following Igor example (see patch below), but the problem persists. Problem must be elsewhere.
diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
index f819abb75..738dcb2ae 100644
--- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
+++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
@@ -2414,6 +2414,7 @@ void rtw_cfg80211_indicate_sta_assoc(struct adapter *padapter, u8 *pmgmt_frame,
ie_offset = _REASOCREQ_IE_OFFSET_;
sinfo.filled = 0;
+ sinfo.pertid = 0;
sinfo.assoc_req_ies = pmgmt_frame + WLAN_HDR_A3_LEN + ie_offset;
sinfo.assoc_req_ies_len = frame_len - WLAN_HDR_A3_LEN - ie_offset;
cfg80211_new_sta(ndev, GetAddr2Ptr(pmgmt_frame), &sinfo, GFP_ATOMIC);