Add new macros introduced from
23323289b154 netlink: reduce NLA_POLICY_NESTED{,_ARRAY} arguments
Signed-off-by: AceLan Kao <acelan.kao@xxxxxxxxxxxxx>
---
backport/backport-include/net/netlink.h | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/backport/backport-include/net/netlink.h b/backport/backport-include/net/netlink.h
index 4af73631..6f6630ae 100644
--- a/backport/backport-include/net/netlink.h
+++ b/backport/backport-include/net/netlink.h
@@ -59,10 +59,14 @@ struct backport_nla_policy {
#define NLA_POLICY_ETH_ADDR NLA_POLICY_EXACT_LEN(ETH_ALEN)
#define NLA_POLICY_ETH_ADDR_COMPAT NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN)
-#define NLA_POLICY_NESTED(maxattr, policy) \
+#define _NLA_POLICY_NESTED(maxattr, policy) \
{ .type = NLA_NESTED, .validation_data = policy, .len = maxattr }
-#define NLA_POLICY_NESTED_ARRAY(maxattr, policy) \
+#define _NLA_POLICY_NESTED_ARRAY(maxattr, policy) \
{ .type = NLA_NESTED_ARRAY, .validation_data = policy, .len = maxattr }
+#define NLA_POLICY_NESTED(policy) \
+ _NLA_POLICY_NESTED(ARRAY_SIZE(policy) - 1, policy)
+#define NLA_POLICY_NESTED_ARRAY(policy) \
+ _NLA_POLICY_NESTED_ARRAY(ARRAY_SIZE(policy) - 1, policy)
#define __NLA_ENSURE(condition) (sizeof(char[1 - 2*!(condition)]) - 1)
#define NLA_ENSURE_INT_TYPE(tp) \
--
2.17.1
--
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