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authorJakub Kicinski <kuba@kernel.org>2020-10-05 15:07:35 -0700
committerDavid S. Miller <davem@davemloft.net>2020-10-06 06:25:55 -0700
commitff419afa43109e05d42d75629f21d9fd87f635ea (patch)
treeaea540f88230add4ac90d08ca3d336a2a9a9deea /net/ethtool/linkmodes.c
parent5028588b62cbda74744f4f28b35f618e5b1078ef (diff)
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 <johannes@sipsolutions.net> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ethtool/linkmodes.c')
-rw-r--r--net/ethtool/linkmodes.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/net/ethtool/linkmodes.c b/net/ethtool/linkmodes.c
index 77f0096bda2c..dcef79b6a2d2 100644
--- a/net/ethtool/linkmodes.c
+++ b/net/ethtool/linkmodes.c
@@ -18,17 +18,8 @@ struct linkmodes_reply_data {
#define LINKMODES_REPDATA(__reply_base) \
container_of(__reply_base, struct linkmodes_reply_data, base)
-const struct nla_policy
-ethnl_linkmodes_get_policy[ETHTOOL_A_LINKMODES_MAX + 1] = {
- [ETHTOOL_A_LINKMODES_UNSPEC] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_linkmodes_get_policy[] = {
[ETHTOOL_A_LINKMODES_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_LINKMODES_AUTONEG] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_OURS] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_PEER] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_SPEED] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_DUPLEX] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE] = { .type = NLA_REJECT },
};
static int linkmodes_prepare_data(const struct ethnl_req_info *req_base,
@@ -274,17 +265,13 @@ static const struct link_mode_info link_mode_params[] = {
__DEFINE_LINK_MODE_PARAMS(100, FX, Full),
};
-const struct nla_policy
-ethnl_linkmodes_set_policy[ETHTOOL_A_LINKMODES_MAX + 1] = {
- [ETHTOOL_A_LINKMODES_UNSPEC] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_linkmodes_set_policy[] = {
[ETHTOOL_A_LINKMODES_HEADER] = { .type = NLA_NESTED },
[ETHTOOL_A_LINKMODES_AUTONEG] = { .type = NLA_U8 },
[ETHTOOL_A_LINKMODES_OURS] = { .type = NLA_NESTED },
- [ETHTOOL_A_LINKMODES_PEER] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKMODES_SPEED] = { .type = NLA_U32 },
[ETHTOOL_A_LINKMODES_DUPLEX] = { .type = NLA_U8 },
[ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG] = { .type = NLA_U8 },
- [ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE] = { .type = NLA_REJECT },
};
/* Set advertised link modes to all supported modes matching requested speed