qcacld-3.0: Free the memory in the set link state error condition

If the get link state fails due to error from the firmware, the
osif memory is not freed, fix this by freeing the memory in the error
condition.

CRs-Fixed: 3644905
Change-Id: If4e629c0eaff9a898ff01a336fbd10cad13d55d6

core/hdd/src/wlan_hdd_mlo.c

@@ -634,9 +634,13 @@ __wlan_hdd_cfg80211_process_ml_link_state(struct wiphy *wiphy,
 	if (!vdev)
 		return -EINVAL;
 
+	if (!wlan_vdev_mlme_is_mlo_vdev(vdev))
+		goto release_ref;
+
 	ret = wlan_handle_mlo_link_state_operation(wiphy, vdev, hdd_ctx,
 						   data, data_len);
 
+release_ref:
 	hdd_objmgr_put_vdev_by_user(vdev, WLAN_OSIF_ID);
 
 	return ret;
@@ -825,7 +829,6 @@ static QDF_STATUS wlan_hdd_link_state_request(struct wiphy *wiphy,
 	if (QDF_IS_STATUS_ERROR(status)) {
 		hdd_err("Failed to post scheduler msg");
 		goto free_event;
-		return status;
 	}
 
 	status = osif_request_wait_for_response(request);
@@ -842,7 +845,7 @@ static QDF_STATUS wlan_hdd_link_state_request(struct wiphy *wiphy,
 	if (QDF_IS_STATUS_ERROR(link_state_event->status)) {
 		hdd_debug("ml_link_state_status failed %s",
 			  link_state_status_id_to_str(link_state_event->status));
-		return QDF_STATUS_E_INVAL;
+		goto free_event;
 	}
 
 	for (num_info = 0; num_info < link_state_event->num_mlo_vdev_link_info;