[PATCH net-next v2 02/13] macsec: replace custom checks on MACSEC_*_ATTR_ACTIVE with NLA_POLICY_MAX
From: Sabrina Dubroca <sd@queasysnail.net>
Date: 2025-08-26 13:16:55
Subsystem:
networking drivers, networking [macsec], the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Sabrina Dubroca, Linus Torvalds
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> --- drivers/net/macsec.c | 25 ++----------------------- 1 file changed, 2 insertions(+), 23 deletions(-)
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 96ca1b00438f..7386335cc038 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c@@ -1665,12 +1665,12 @@ static const struct nla_policy macsec_genl_policy[NUM_MACSEC_ATTR] = { static const struct nla_policy macsec_genl_rxsc_policy[NUM_MACSEC_RXSC_ATTR] = { [MACSEC_RXSC_ATTR_SCI] = { .type = NLA_U64 }, - [MACSEC_RXSC_ATTR_ACTIVE] = { .type = NLA_U8 }, + [MACSEC_RXSC_ATTR_ACTIVE] = NLA_POLICY_MAX(NLA_U8, 1), }; static const struct nla_policy macsec_genl_sa_policy[NUM_MACSEC_SA_ATTR] = { [MACSEC_SA_ATTR_AN] = NLA_POLICY_MAX(NLA_U8, MACSEC_NUM_AN - 1), - [MACSEC_SA_ATTR_ACTIVE] = { .type = NLA_U8 }, + [MACSEC_SA_ATTR_ACTIVE] = NLA_POLICY_MAX(NLA_U8, 1), [MACSEC_SA_ATTR_PN] = NLA_POLICY_MIN_LEN(4), [MACSEC_SA_ATTR_KEYID] = { .type = NLA_BINARY, .len = MACSEC_KEYID_LEN, },
@@ -1734,16 +1734,10 @@ static bool validate_add_rxsa(struct nlattr **attrs) !attrs[MACSEC_SA_ATTR_KEYID]) return false; - if (attrs[MACSEC_SA_ATTR_PN] && nla_get_u64(attrs[MACSEC_SA_ATTR_PN]) == 0) return false; - if (attrs[MACSEC_SA_ATTR_ACTIVE]) { - if (nla_get_u8(attrs[MACSEC_SA_ATTR_ACTIVE]) > 1) - return false; - } - if (nla_len(attrs[MACSEC_SA_ATTR_KEYID]) != MACSEC_KEYID_LEN) return false;
@@ -1893,11 +1887,6 @@ static bool validate_add_rxsc(struct nlattr **attrs) if (!attrs[MACSEC_RXSC_ATTR_SCI]) return false; - if (attrs[MACSEC_RXSC_ATTR_ACTIVE]) { - if (nla_get_u8(attrs[MACSEC_RXSC_ATTR_ACTIVE]) > 1) - return false; - } - return true; }
@@ -1980,11 +1969,6 @@ static bool validate_add_txsa(struct nlattr **attrs) if (nla_get_u64(attrs[MACSEC_SA_ATTR_PN]) == 0) return false; - if (attrs[MACSEC_SA_ATTR_ACTIVE]) { - if (nla_get_u8(attrs[MACSEC_SA_ATTR_ACTIVE]) > 1) - return false; - } - if (nla_len(attrs[MACSEC_SA_ATTR_KEYID]) != MACSEC_KEYID_LEN) return false;
@@ -2332,11 +2316,6 @@ static bool validate_upd_sa(struct nlattr **attrs) if (attrs[MACSEC_SA_ATTR_PN] && nla_get_u64(attrs[MACSEC_SA_ATTR_PN]) == 0) return false; - if (attrs[MACSEC_SA_ATTR_ACTIVE]) { - if (nla_get_u8(attrs[MACSEC_SA_ATTR_ACTIVE]) > 1) - return false; - } - return true; }
--
2.50.0