From ff419afa43109e05d42d75629f21d9fd87f635ea Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Mon, 5 Oct 2020 15:07:35 -0700 Subject: ethtool: trim policy tables Since ethtool uses strict attribute validation there's no need to initialize all attributes in policy tables. 0 is NLA_UNSPEC which is going to be rejected. Remove the NLA_REJECTs. Similarly attributes above maxattrs are rejected, so there's no need to always size the policy tables to ETHTOOL_A_..._MAX. v2: - new patch Suggested-by: Johannes Berg Signed-off-by: Jakub Kicinski Signed-off-by: David S. Miller --- net/ethtool/channels.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) (limited to 'net/ethtool/channels.c') diff --git a/net/ethtool/channels.c b/net/ethtool/channels.c index 52227c6dcb59..2a0cea0ad648 100644 --- a/net/ethtool/channels.c +++ b/net/ethtool/channels.c @@ -17,18 +17,8 @@ struct channels_reply_data { #define CHANNELS_REPDATA(__reply_base) \ container_of(__reply_base, struct channels_reply_data, base) -const struct nla_policy -ethnl_channels_get_policy[ETHTOOL_A_CHANNELS_MAX + 1] = { - [ETHTOOL_A_CHANNELS_UNSPEC] = { .type = NLA_REJECT }, +const struct nla_policy ethnl_channels_get_policy[] = { [ETHTOOL_A_CHANNELS_HEADER] = { .type = NLA_NESTED }, - [ETHTOOL_A_CHANNELS_RX_MAX] = { .type = NLA_REJECT }, - [ETHTOOL_A_CHANNELS_TX_MAX] = { .type = NLA_REJECT }, - [ETHTOOL_A_CHANNELS_OTHER_MAX] = { .type = NLA_REJECT }, - [ETHTOOL_A_CHANNELS_COMBINED_MAX] = { .type = NLA_REJECT }, - [ETHTOOL_A_CHANNELS_RX_COUNT] = { .type = NLA_REJECT }, - [ETHTOOL_A_CHANNELS_TX_COUNT] = { .type = NLA_REJECT }, - [ETHTOOL_A_CHANNELS_OTHER_COUNT] = { .type = NLA_REJECT }, - [ETHTOOL_A_CHANNELS_COMBINED_COUNT] = { .type = NLA_REJECT }, }; static int channels_prepare_data(const struct ethnl_req_info *req_base, @@ -109,14 +99,8 @@ const struct ethnl_request_ops ethnl_channels_request_ops = { /* CHANNELS_SET */ -const struct nla_policy -ethnl_channels_set_policy[ETHTOOL_A_CHANNELS_MAX + 1] = { - [ETHTOOL_A_CHANNELS_UNSPEC] = { .type = NLA_REJECT }, +const struct nla_policy ethnl_channels_set_policy[] = { [ETHTOOL_A_CHANNELS_HEADER] = { .type = NLA_NESTED }, - [ETHTOOL_A_CHANNELS_RX_MAX] = { .type = NLA_REJECT }, - [ETHTOOL_A_CHANNELS_TX_MAX] = { .type = NLA_REJECT }, - [ETHTOOL_A_CHANNELS_OTHER_MAX] = { .type = NLA_REJECT }, - [ETHTOOL_A_CHANNELS_COMBINED_MAX] = { .type = NLA_REJECT }, [ETHTOOL_A_CHANNELS_RX_COUNT] = { .type = NLA_U32 }, [ETHTOOL_A_CHANNELS_TX_COUNT] = { .type = NLA_U32 }, [ETHTOOL_A_CHANNELS_OTHER_COUNT] = { .type = NLA_U32 }, -- cgit