diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 26dfcf605ec5cdf27660efa6261b5c74cb8af625..ffcb5983107dbcee9209e7a366d9cef03ffed742 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -1241,6 +1241,8 @@ static int erspan_netlink_parms(struct net_device *dev, err = ipgre_netlink_parms(dev, data, tb, parms, fwmark); if (err) return err; + if (!data) + return 0; if (data[IFLA_GRE_ERSPAN_VER]) { t->erspan_ver = nla_get_u8(data[IFLA_GRE_ERSPAN_VER]);