staging: rtl8723au: rtw_get_cur_max_rate(): Use _FIXED_IE_LENGTH_ instead of hardcode...

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

diff --git a/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c
index ebb98a0..9584688 100644 (file)
--- a/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c
+++ b/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c
@@ -1190,8 +1190,9 @@ static u16 rtw_get_cur_max_rate(struct rtw_adapter *adapter)
        u8 bw_40MHz = 0, short_GI_20 = 0, short_GI_40 = 0;
        u16 mcs_rate = 0;
 
-       p = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, &pcur_bss->IEs[12],
-                            pcur_bss->IELength - 12);
+       p = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY,
+                            &pcur_bss->IEs[_FIXED_IE_LENGTH_],
+                            pcur_bss->IELength - _FIXED_IE_LENGTH_);
        if (p && p[1] > 0) {
                pht_capie = (struct ieee80211_ht_cap *)(p + 2);