staging: r8188eu: read reason code from ieee80211_mgmt

Use the struct ieee80211_mgmt to read the reason code instead of parsing
the message manually.

Remove the pframe pointer, it's no longer used.

Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20221129205152.128172-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index b2b2cb57ed04421422a1ec3b320e7c4b286fcde4..fe58d4e3e2604bc9715fe24028e39529cade5a02 100644 (file)
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -1432,7 +1432,6 @@ static void OnDisassoc(struct adapter *padapter, struct recv_frame *precv_frame)
        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
        struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
        struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
-       u8 *pframe = precv_frame->rx_data;
        struct wifidirect_info *pwdinfo = &padapter->wdinfo;
 
        if (memcmp(mgmt->bssid, get_my_bssid(&pmlmeinfo->network), ETH_ALEN))
@@ -1443,7 +1442,7 @@ static void OnDisassoc(struct adapter *padapter, struct recv_frame *precv_frame)
                _set_timer(&pwdinfo->reset_ch_sitesurvey, 10);
        }
 
-       reason = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN));
+       reason = le16_to_cpu(mgmt->u.disassoc.reason_code);
 
        if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
                struct sta_info *psta;