netdev - [PATCH net-next 06/12] macsec: add NLA_POLICY_MAX for MACSEC_OFFLOAD_ATTR_TYPE and IFLA_MACSEC

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Date:   Wed, 28 Sep 2022 18:17:19 +0200
From:   Sabrina Dubroca <sd@...asysnail.net>
To:     netdev@...r.kernel.org
Cc:     Sabrina Dubroca <sd@...asysnail.net>
Subject: [PATCH net-next 06/12] macsec: add NLA_POLICY_MAX for MACSEC_OFFLOAD_ATTR_TYPE and IFLA_MACSEC_OFFLOAD

This is equivalent to the existing checks allowing either
MACSEC_OFFLOAD_OFF or calling macsec_check_offload.

Signed-off-by: Sabrina Dubroca <sd@...asysnail.net>
---
 drivers/net/macsec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 3f8069f758c7..84e67f8c9bad 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -1654,7 +1654,7 @@ static const struct nla_policy macsec_genl_sa_policy[NUM_MACSEC_SA_ATTR] = {
 };
 
 static const struct nla_policy macsec_genl_offload_policy[NUM_MACSEC_OFFLOAD_ATTR] = {
-	[MACSEC_OFFLOAD_ATTR_TYPE] = { .type = NLA_U8 },
+	[MACSEC_OFFLOAD_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U8, MACSEC_OFFLOAD_MAX),
 };
 
 /* Offloads an operation to a device driver */
@@ -3659,6 +3659,7 @@ static const struct nla_policy macsec_rtnl_policy[IFLA_MACSEC_MAX + 1] = {
 	[IFLA_MACSEC_SCB] = { .type = NLA_U8 },
 	[IFLA_MACSEC_REPLAY_PROTECT] = { .type = NLA_U8 },
 	[IFLA_MACSEC_VALIDATION] = { .type = NLA_U8 },
+	[IFLA_MACSEC_OFFLOAD] = NLA_POLICY_MAX(NLA_U8, MACSEC_OFFLOAD_MAX),
 };
 
 static void macsec_free_netdev(struct net_device *dev)
-- 
2.37.3