qcacld-3.0: Send mgmt frame directly if have no FT IE

When driver get (re)assoc response management frame from hostapd,
check if FT IE in it. If no FT IE in the frame, send it directly.

Change-Id: I780d1d6aff63276950a91fa7ee24ee99e3f6c98a
CRs-Fixed: 3338475

core/hdd/src/wlan_hdd_p2p.c

@@ -288,7 +288,7 @@ static int __wlan_hdd_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 	uint16_t auth_algo;
 	QDF_STATUS qdf_status;
 	int ret;
-	uint32_t ft_info_len = 0;
+	uint32_t assoc_resp_len, ft_info_len = 0;
 	const uint8_t  *assoc_resp;
 	void *ft_info;
 	struct hdd_ap_ctx *hdd_ap_ctx;
@@ -358,6 +358,13 @@ static int __wlan_hdd_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 	    (sub_type == SIR_MAC_MGMT_ASSOC_RSP ||
 	     sub_type == SIR_MAC_MGMT_REASSOC_RSP)) {
 		assoc_resp = &((struct ieee80211_mgmt *)buf)->u.assoc_resp.variable[0];
+		assoc_resp_len = len - WLAN_ASSOC_RSP_IES_OFFSET
+			   - sizeof(struct wlan_frame_hdr);
+		if (!wlan_get_ie_ptr_from_eid(DOT11F_EID_FTINFO,
+					      assoc_resp, assoc_resp_len)) {
+			hdd_debug("No FT info in Assoc rsp, send it directly");
+			goto off_chan_tx;
+		}
 		ft_info = hdd_filter_ft_info(assoc_resp, len, &ft_info_len);
 		if (!ft_info || !ft_info_len)
 			return -EINVAL;