linux-kernel - [PATCH 4.19 34/79] netfilter: nft_flow_offload: missing netlink attribute policy

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Message-Id: <20190919214810.768461442@linuxfoundation.org>
Date:   Fri, 20 Sep 2019 00:03:19 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Pablo Neira Ayuso <pablo@...filter.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 34/79] netfilter: nft_flow_offload: missing netlink attribute policy

From: Pablo Neira Ayuso <pablo@...filter.org>

[ Upstream commit 14c415862c0630e01712a4eeaf6159a2b1b6d2a4 ]

The netlink attribute policy for NFTA_FLOW_TABLE_NAME is missing.

Fixes: a3c90f7a2323 ("netfilter: nf_tables: flow offload expression")
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/netfilter/nft_flow_offload.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c
index 69decbe2c9884..1ef8cb789c41a 100644
--- a/net/netfilter/nft_flow_offload.c
+++ b/net/netfilter/nft_flow_offload.c
@@ -149,6 +149,11 @@ static int nft_flow_offload_validate(const struct nft_ctx *ctx,
 	return nft_chain_validate_hooks(ctx->chain, hook_mask);
 }
 
+static const struct nla_policy nft_flow_offload_policy[NFTA_FLOW_MAX + 1] = {
+	[NFTA_FLOW_TABLE_NAME]	= { .type = NLA_STRING,
+				    .len = NFT_NAME_MAXLEN - 1 },
+};
+
 static int nft_flow_offload_init(const struct nft_ctx *ctx,
 				 const struct nft_expr *expr,
 				 const struct nlattr * const tb[])
@@ -207,6 +212,7 @@ static const struct nft_expr_ops nft_flow_offload_ops = {
 static struct nft_expr_type nft_flow_offload_type __read_mostly = {
 	.name		= "flow_offload",
 	.ops		= &nft_flow_offload_ops,
+	.policy		= nft_flow_offload_policy,
 	.maxattr	= NFTA_FLOW_MAX,
 	.owner		= THIS_MODULE,
 };
-- 
2.20.1