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-rw-r--r--net/bridge/br_netlink.c4
-rw-r--r--net/bridge/br_vlan.c4
-rw-r--r--net/mptcp/pm_netlink.c4
-rw-r--r--net/netlink/policy.c32
-rw-r--r--net/sched/act_ct.c8
-rw-r--r--net/sched/act_ctinfo.c5
-rw-r--r--net/sched/act_gate.c4
-rw-r--r--net/wireless/nl80211.c12
8 files changed, 37 insertions, 36 deletions
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 147d52596e17..8a71c60fa357 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -1095,8 +1095,8 @@ static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = {
[IFLA_BR_MCAST_IGMP_VERSION] = { .type = NLA_U8 },
[IFLA_BR_MCAST_MLD_VERSION] = { .type = NLA_U8 },
[IFLA_BR_VLAN_STATS_PER_PORT] = { .type = NLA_U8 },
- [IFLA_BR_MULTI_BOOLOPT] = { .type = NLA_EXACT_LEN,
- .len = sizeof(struct br_boolopt_multi) },
+ [IFLA_BR_MULTI_BOOLOPT] =
+ NLA_POLICY_EXACT_LEN(sizeof(struct br_boolopt_multi)),
};
static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index f9092c71225f..d2b8737f9fc0 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -1884,8 +1884,8 @@ out_err:
}
static const struct nla_policy br_vlan_db_policy[BRIDGE_VLANDB_ENTRY_MAX + 1] = {
- [BRIDGE_VLANDB_ENTRY_INFO] = { .type = NLA_EXACT_LEN,
- .len = sizeof(struct bridge_vlan_info) },
+ [BRIDGE_VLANDB_ENTRY_INFO] =
+ NLA_POLICY_EXACT_LEN(sizeof(struct bridge_vlan_info)),
[BRIDGE_VLANDB_ENTRY_RANGE] = { .type = NLA_U16 },
[BRIDGE_VLANDB_ENTRY_STATE] = { .type = NLA_U8 },
[BRIDGE_VLANDB_ENTRY_TUNNEL_INFO] = { .type = NLA_NESTED },
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index c8820c4156e6..2c208d2e65cd 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -384,8 +384,8 @@ mptcp_pm_addr_policy[MPTCP_PM_ADDR_ATTR_MAX + 1] = {
[MPTCP_PM_ADDR_ATTR_FAMILY] = { .type = NLA_U16, },
[MPTCP_PM_ADDR_ATTR_ID] = { .type = NLA_U8, },
[MPTCP_PM_ADDR_ATTR_ADDR4] = { .type = NLA_U32, },
- [MPTCP_PM_ADDR_ATTR_ADDR6] = { .type = NLA_EXACT_LEN,
- .len = sizeof(struct in6_addr), },
+ [MPTCP_PM_ADDR_ATTR_ADDR6] =
+ NLA_POLICY_EXACT_LEN(sizeof(struct in6_addr)),
[MPTCP_PM_ADDR_ATTR_PORT] = { .type = NLA_U16 },
[MPTCP_PM_ADDR_ATTR_FLAGS] = { .type = NLA_U32 },
[MPTCP_PM_ADDR_ATTR_IF_IDX] = { .type = NLA_S32 },
diff --git a/net/netlink/policy.c b/net/netlink/policy.c
index f6491853c797..46c11c9c212a 100644
--- a/net/netlink/policy.c
+++ b/net/netlink/policy.c
@@ -251,12 +251,6 @@ send_attribute:
pt->bitfield32_valid))
goto nla_put_failure;
break;
- case NLA_EXACT_LEN:
- type = NL_ATTR_TYPE_BINARY;
- if (nla_put_u32(skb, NL_POLICY_TYPE_ATTR_MIN_LENGTH, pt->len) ||
- nla_put_u32(skb, NL_POLICY_TYPE_ATTR_MAX_LENGTH, pt->len))
- goto nla_put_failure;
- break;
case NLA_STRING:
case NLA_NUL_STRING:
case NLA_BINARY:
@@ -266,14 +260,26 @@ send_attribute:
type = NL_ATTR_TYPE_NUL_STRING;
else
type = NL_ATTR_TYPE_BINARY;
- if (pt->len && nla_put_u32(skb, NL_POLICY_TYPE_ATTR_MAX_LENGTH,
- pt->len))
- goto nla_put_failure;
- break;
- case NLA_MIN_LEN:
- type = NL_ATTR_TYPE_BINARY;
- if (nla_put_u32(skb, NL_POLICY_TYPE_ATTR_MIN_LENGTH, pt->len))
+
+ if (pt->validation_type != NLA_VALIDATE_NONE) {
+ struct netlink_range_validation range;
+
+ nla_get_range_unsigned(pt, &range);
+
+ if (range.min &&
+ nla_put_u32(skb, NL_POLICY_TYPE_ATTR_MIN_LENGTH,
+ range.min))
+ goto nla_put_failure;
+
+ if (range.max < U16_MAX &&
+ nla_put_u32(skb, NL_POLICY_TYPE_ATTR_MAX_LENGTH,
+ range.max))
+ goto nla_put_failure;
+ } else if (pt->len &&
+ nla_put_u32(skb, NL_POLICY_TYPE_ATTR_MAX_LENGTH,
+ pt->len)) {
goto nla_put_failure;
+ }
break;
case NLA_FLAG:
type = NL_ATTR_TYPE_FLAG;
diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index e6ad42b11835..db25a0dc0f57 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -1039,7 +1039,7 @@ drop:
static const struct nla_policy ct_policy[TCA_CT_MAX + 1] = {
[TCA_CT_ACTION] = { .type = NLA_U16 },
- [TCA_CT_PARMS] = { .type = NLA_EXACT_LEN, .len = sizeof(struct tc_ct) },
+ [TCA_CT_PARMS] = NLA_POLICY_EXACT_LEN(sizeof(struct tc_ct)),
[TCA_CT_ZONE] = { .type = NLA_U16 },
[TCA_CT_MARK] = { .type = NLA_U32 },
[TCA_CT_MARK_MASK] = { .type = NLA_U32 },
@@ -1049,10 +1049,8 @@ static const struct nla_policy ct_policy[TCA_CT_MAX + 1] = {
.len = 128 / BITS_PER_BYTE },
[TCA_CT_NAT_IPV4_MIN] = { .type = NLA_U32 },
[TCA_CT_NAT_IPV4_MAX] = { .type = NLA_U32 },
- [TCA_CT_NAT_IPV6_MIN] = { .type = NLA_EXACT_LEN,
- .len = sizeof(struct in6_addr) },
- [TCA_CT_NAT_IPV6_MAX] = { .type = NLA_EXACT_LEN,
- .len = sizeof(struct in6_addr) },
+ [TCA_CT_NAT_IPV6_MIN] = NLA_POLICY_EXACT_LEN(sizeof(struct in6_addr)),
+ [TCA_CT_NAT_IPV6_MAX] = NLA_POLICY_EXACT_LEN(sizeof(struct in6_addr)),
[TCA_CT_NAT_PORT_MIN] = { .type = NLA_U16 },
[TCA_CT_NAT_PORT_MAX] = { .type = NLA_U16 },
};
diff --git a/net/sched/act_ctinfo.c b/net/sched/act_ctinfo.c
index b5042f3ea079..e88fa19ea8a9 100644
--- a/net/sched/act_ctinfo.c
+++ b/net/sched/act_ctinfo.c
@@ -144,9 +144,8 @@ out:
}
static const struct nla_policy ctinfo_policy[TCA_CTINFO_MAX + 1] = {
- [TCA_CTINFO_ACT] = { .type = NLA_EXACT_LEN,
- .len = sizeof(struct
- tc_ctinfo) },
+ [TCA_CTINFO_ACT] =
+ NLA_POLICY_EXACT_LEN(sizeof(struct tc_ctinfo)),
[TCA_CTINFO_ZONE] = { .type = NLA_U16 },
[TCA_CTINFO_PARMS_DSCP_MASK] = { .type = NLA_U32 },
[TCA_CTINFO_PARMS_DSCP_STATEMASK] = { .type = NLA_U32 },
diff --git a/net/sched/act_gate.c b/net/sched/act_gate.c
index 1fb8d428d2c1..f5dd4d1d274e 100644
--- a/net/sched/act_gate.c
+++ b/net/sched/act_gate.c
@@ -159,8 +159,8 @@ static const struct nla_policy entry_policy[TCA_GATE_ENTRY_MAX + 1] = {
};
static const struct nla_policy gate_policy[TCA_GATE_MAX + 1] = {
- [TCA_GATE_PARMS] = { .len = sizeof(struct tc_gate),
- .type = NLA_EXACT_LEN },
+ [TCA_GATE_PARMS] =
+ NLA_POLICY_EXACT_LEN(sizeof(struct tc_gate)),
[TCA_GATE_PRIORITY] = { .type = NLA_S32 },
[TCA_GATE_ENTRY_LIST] = { .type = NLA_NESTED },
[TCA_GATE_BASE_TIME] = { .type = NLA_U64 },
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index c04fc6cf6583..e45b95446ea0 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -654,10 +654,8 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
[NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
[NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
- [NL80211_ATTR_HE_6GHZ_CAPABILITY] = {
- .type = NLA_EXACT_LEN,
- .len = sizeof(struct ieee80211_he_6ghz_capa),
- },
+ [NL80211_ATTR_HE_6GHZ_CAPABILITY] =
+ NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)),
};
/* policy for the key attributes */
@@ -703,7 +701,7 @@ nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
[NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
[NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
[NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
- [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
+ [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = {
.len = sizeof(struct nl80211_wowlan_tcp_data_seq)
},
@@ -711,8 +709,8 @@ nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
.len = sizeof(struct nl80211_wowlan_tcp_data_token)
},
[NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 },
- [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
- [NL80211_WOWLAN_TCP_WAKE_MASK] = { .type = NLA_MIN_LEN, .len = 1 },
+ [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1),
+ [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1),
};
#endif /* CONFIG_PM */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.