[PATCH net-next v2 13/13] macsec: replace custom check on IFLA_MACSEC_ENCODING_SA with NLA_POLICY_MAX
From: Sabrina Dubroca <sd@queasysnail.net>
Date: 2025-08-26 13:17:19
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 | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 115cdf347643..316c5352ec2f 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c@@ -3765,7 +3765,7 @@ static const struct nla_policy macsec_rtnl_policy[IFLA_MACSEC_MAX + 1] = { [IFLA_MACSEC_ICV_LEN] = NLA_POLICY_RANGE(NLA_U8, MACSEC_MIN_ICV_LEN, MACSEC_STD_ICV_LEN), [IFLA_MACSEC_CIPHER_SUITE] = NLA_POLICY_VALIDATE_FN(NLA_U64, validate_cipher_suite), [IFLA_MACSEC_WINDOW] = { .type = NLA_U32 }, - [IFLA_MACSEC_ENCODING_SA] = { .type = NLA_U8 }, + [IFLA_MACSEC_ENCODING_SA] = NLA_POLICY_MAX(NLA_U8, MACSEC_NUM_AN - 1), [IFLA_MACSEC_ENCRYPT] = NLA_POLICY_MAX(NLA_U8, 1), [IFLA_MACSEC_PROTECT] = NLA_POLICY_MAX(NLA_U8, 1), [IFLA_MACSEC_INC_SCI] = NLA_POLICY_MAX(NLA_U8, 1),
@@ -4266,11 +4266,6 @@ static int macsec_validate_attr(struct nlattr *tb[], struct nlattr *data[], } } - if (data[IFLA_MACSEC_ENCODING_SA]) { - if (nla_get_u8(data[IFLA_MACSEC_ENCODING_SA]) >= MACSEC_NUM_AN) - return -EINVAL; - } - es = nla_get_u8_default(data[IFLA_MACSEC_ES], false); sci = nla_get_u8_default(data[IFLA_MACSEC_INC_SCI], false); scb = nla_get_u8_default(data[IFLA_MACSEC_SCB], false);
--
2.50.0