staging: rtl8723au: rtw_get_bcn_info23a(): Use cfg80211_find_ie()

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8723au/core/rtw_ieee80211.c b/drivers/staging/rtl8723au/core/rtw_ieee80211.c
index 85eac7d65a4a94b13872180b9e221c69beed2cf0..dc237fe3c89c14f9ce76a8cbe1d3b7d4bca94849 100644 (file)
--- a/drivers/staging/rtl8723au/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8723au/core/rtw_ieee80211.c
@@ -909,8 +909,7 @@ void rtw_get_bcn_info23a(struct wlan_network *pnetwork)
        u16 wpa_len = 0, rsn_len = 0;
        struct HT_info_element *pht_info = NULL;
        struct ieee80211_ht_cap *pht_cap = NULL;
-       unsigned int            len;
-       unsigned char           *p;
+       const u8 *p;
 
        cap = get_unaligned_le16(
                rtw_get_capability23a_from_ie(pnetwork->network.IEs));
@@ -951,20 +950,20 @@ void rtw_get_bcn_info23a(struct wlan_network *pnetwork)
 
        /* get bwmode and ch_offset */
        /* parsing HT_CAP_IE */
-       p = rtw_get_ie23a(pnetwork->network.IEs + _FIXED_IE_LENGTH_,
-                         WLAN_EID_HT_CAPABILITY, &len,
-                         pnetwork->network.IELength - _FIXED_IE_LENGTH_);
-       if (p && len > 0) {
+       p = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY,
+                            pnetwork->network.IEs + _FIXED_IE_LENGTH_,
+                            pnetwork->network.IELength - _FIXED_IE_LENGTH_);
+       if (p && p[1] > 0) {
                pht_cap = (struct ieee80211_ht_cap *)(p + 2);
                pnetwork->BcnInfo.ht_cap_info = pht_cap->cap_info;
        } else {
                pnetwork->BcnInfo.ht_cap_info = 0;
        }
        /* parsing HT_INFO_IE */
-       p = rtw_get_ie23a(pnetwork->network.IEs + _FIXED_IE_LENGTH_,
-                      WLAN_EID_HT_OPERATION, &len,
+       p = cfg80211_find_ie(WLAN_EID_HT_OPERATION,
+                            pnetwork->network.IEs + _FIXED_IE_LENGTH_,
                       pnetwork->network.IELength - _FIXED_IE_LENGTH_);
-       if (p && len > 0) {
+       if (p && p[1] > 0) {
                pht_info = (struct HT_info_element *)(p + 2);
                pnetwork->BcnInfo.ht_info_infos_0 = pht_info->infos[0];
        } else {