Use NLA_POLICY_NESTED_ARRAY() to add nested array validation.

No behavioural changes intended, as the nested policy is already
enforced through nla_parse_nested().

This patch is an incremental step towards adopting a policy
generated by ynl-gen.

Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
---
 drivers/net/wireguard/netlink.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireguard/netlink.c b/drivers/net/wireguard/netlink.c
index 086edd4bb33b..742d3f88d132 100644
--- a/drivers/net/wireguard/netlink.c
+++ b/drivers/net/wireguard/netlink.c
@@ -27,7 +27,7 @@ static const struct nla_policy device_policy[WGDEVICE_A_MAX + 1] = {
 	[WGDEVICE_A_FLAGS]		= NLA_POLICY_MASK(NLA_U32, __WGDEVICE_F_ALL),
 	[WGDEVICE_A_LISTEN_PORT]	= { .type = NLA_U16 },
 	[WGDEVICE_A_FWMARK]		= { .type = NLA_U32 },
-	[WGDEVICE_A_PEERS]		= { .type = NLA_NESTED }
+	[WGDEVICE_A_PEERS]		= NLA_POLICY_NESTED_ARRAY(peer_policy),
 };
 
 static const struct nla_policy peer_policy[WGPEER_A_MAX + 1] = {
@@ -39,7 +39,7 @@ static const struct nla_policy peer_policy[WGPEER_A_MAX + 1] = {
 	[WGPEER_A_LAST_HANDSHAKE_TIME]			= NLA_POLICY_EXACT_LEN(sizeof(struct __kernel_timespec)),
 	[WGPEER_A_RX_BYTES]				= { .type = NLA_U64 },
 	[WGPEER_A_TX_BYTES]				= { .type = NLA_U64 },
-	[WGPEER_A_ALLOWEDIPS]				= { .type = NLA_NESTED },
+	[WGPEER_A_ALLOWEDIPS]				= NLA_POLICY_NESTED_ARRAY(allowedip_policy),
 	[WGPEER_A_PROTOCOL_VERSION]			= { .type = NLA_U32 }
 };
 
-- 
2.51.0