diff --git a/fs/ksmbd/ksmbd_netlink.h b/fs/ksmbd/ksmbd_netlink.h
index 71bfb7de44725d94bddea7b84b45e9481626656a..583f95be52840c58a27a40f305c83ba10382cd96 100644
--- a/fs/ksmbd/ksmbd_netlink.h
+++ b/fs/ksmbd/ksmbd_netlink.h
@@ -300,7 +300,8 @@ enum ksmbd_event {
 	KSMBD_EVENT_SPNEGO_AUTHEN_REQUEST,
 	KSMBD_EVENT_SPNEGO_AUTHEN_RESPONSE	= 15,
 
-	KSMBD_EVENT_MAX
+	__KSMBD_EVENT_MAX,
+	KSMBD_EVENT_MAX = __KSMBD_EVENT_MAX - 1
 };
 
 /*
diff --git a/fs/ksmbd/transport_ipc.c b/fs/ksmbd/transport_ipc.c
index 3ad6881e0f7ed2ba2ee653a3df2d0b13a8eccd84..cf88f0aa48e01f94a766eb3e0f39c94c663c8fae 100644
--- a/fs/ksmbd/transport_ipc.c
+++ b/fs/ksmbd/transport_ipc.c
@@ -73,7 +73,7 @@ static int handle_unsupported_event(struct sk_buff *skb, struct genl_info *info)
 static int handle_generic_event(struct sk_buff *skb, struct genl_info *info);
 static int ksmbd_ipc_heartbeat_request(void);
 
-static const struct nla_policy ksmbd_nl_policy[KSMBD_EVENT_MAX] = {
+static const struct nla_policy ksmbd_nl_policy[KSMBD_EVENT_MAX + 1] = {
 	[KSMBD_EVENT_UNSPEC] = {
 		.len = 0,
 	},
@@ -396,7 +396,7 @@ static int handle_generic_event(struct sk_buff *skb, struct genl_info *info)
 		return -EPERM;
 #endif
 
-	if (type >= KSMBD_EVENT_MAX) {
+	if (type > KSMBD_EVENT_MAX) {
 		WARN_ON(1);
 		return -EINVAL;
 	}