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-rw-r--r--drivers/staging/rtl8723bs/core/rtw_mlme.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c
index ddfc56f0253d..9f21a2226dbd 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c
@@ -464,8 +464,11 @@ static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex
if (check_fwstate(pmlmepriv, _FW_LINKED) && (is_same_network(&pmlmepriv->cur_network.network, pnetwork, 0))) {
update_network(&pmlmepriv->cur_network.network, pnetwork, adapter, true);
+ if (pmlmepriv->cur_network.network.ie_length < sizeof(struct ndis_802_11_fix_ie))
+ return;
+
rtw_update_protection(adapter, (pmlmepriv->cur_network.network.ies) + sizeof(struct ndis_802_11_fix_ie),
- pmlmepriv->cur_network.network.ie_length);
+ pmlmepriv->cur_network.network.ie_length - sizeof(struct ndis_802_11_fix_ie));
}
}
@@ -601,6 +604,8 @@ static bool rtw_is_desired_network(struct adapter *adapter, struct wlan_network
privacy = pnetwork->network.privacy;
if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
+ if (pnetwork->network.ie_length < _FIXED_IE_LENGTH_)
+ return false;
if (rtw_get_wps_ie(pnetwork->network.ies + _FIXED_IE_LENGTH_, pnetwork->network.ie_length - _FIXED_IE_LENGTH_, NULL, &wps_ielen))
return true;
else
@@ -614,11 +619,15 @@ static bool rtw_is_desired_network(struct adapter *adapter, struct wlan_network
bselected = false;
if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) {
- p = rtw_get_ie(pnetwork->network.ies + _BEACON_IE_OFFSET_, WLAN_EID_RSN, &ie_len, (pnetwork->network.ie_length - _BEACON_IE_OFFSET_));
- if (p && ie_len > 0)
- bselected = true;
- else
+ if (pnetwork->network.ie_length < _BEACON_IE_OFFSET_) {
bselected = false;
+ } else {
+ p = rtw_get_ie(pnetwork->network.ies + _BEACON_IE_OFFSET_, WLAN_EID_RSN, &ie_len, (pnetwork->network.ie_length - _BEACON_IE_OFFSET_));
+ if (p && ie_len > 0)
+ bselected = true;
+ else
+ bselected = false;
+ }
}
}
@@ -1072,8 +1081,11 @@ static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_net
break;
}
+ if (cur_network->network.ie_length < sizeof(struct ndis_802_11_fix_ie))
+ return;
+
rtw_update_protection(padapter, (cur_network->network.ies) + sizeof(struct ndis_802_11_fix_ie),
- (cur_network->network.ie_length));
+ (cur_network->network.ie_length - sizeof(struct ndis_802_11_fix_ie)));
rtw_update_ht_cap(padapter, cur_network->network.ies, cur_network->network.ie_length, (u8) cur_network->network.configuration.ds_config);
}