qcacmn: add null check on connect req params

Add null check on connect req params before
invoking cloning of rsn/rsnx ies for mlo stations

Change-Id: I651683ad7eb6a5c0404feee321402ac1f39edcfc
CRs-Fixed: 3234326

umac/mlo_mgr/src/wlan_mlo_mgr_cmn.c

@@ -106,7 +106,7 @@ QDF_STATUS mlo_mlme_clone_sta_security(struct wlan_objmgr_vdev *vdev,
 	struct vdev_mlme_obj *vdev_mlme;
 	QDF_STATUS status = QDF_STATUS_SUCCESS;
 
-	if (!mlo_ctx || !mlo_ctx->mlme_ops ||
+	if (!req || !mlo_ctx || !mlo_ctx->mlme_ops ||
 	    !mlo_ctx->mlme_ops->mlo_mlme_ext_validate_conn_req)
 		return QDF_STATUS_E_FAILURE;