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@queasysnail.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/37e1f1716f1d1d46d3d06c52317564b393fe60e6.1756202772.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index ca47c9a95cf49c529ace73c4810d994cb211a3a7..463fd9650b31791fe0a8cf77375800667e69e1ea 100644 (file)
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -1679,7 +1679,7 @@ 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 */
@@ -3771,7 +3771,7 @@ 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] = { .type = NLA_U8 },
+       [IFLA_MACSEC_OFFLOAD] = NLA_POLICY_MAX(NLA_U8, MACSEC_OFFLOAD_MAX),
 };
 
 static void macsec_free_netdev(struct net_device *dev)