netdev - [PATCH net-next 1/4] netfilter: flow_table_offload: Fix check ndo_setup_tc when setup

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Message-Id: <1573620402-10318-2-git-send-email-wenxu@ucloud.cn>
Date:   Wed, 13 Nov 2019 12:46:39 +0800
From:   wenxu@...oud.cn
To:     pablo@...filter.org, davem@...emloft.net
Cc:     netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH net-next 1/4] netfilter: flow_table_offload: Fix check ndo_setup_tc when setup_block

From: wenxu <wenxu@...oud.cn>

It should check the ndo_setup_tc in the nf_flow_table_offload_setup

Fixes: c29f74e0df7a ("netfilter: nf_flow_table: hardware offload support")
Signed-off-by: wenxu <wenxu@...oud.cn>
---
 net/netfilter/nf_flow_table_offload.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c
index 9be61f47..1cc6671 100644
--- a/net/netfilter/nf_flow_table_offload.c
+++ b/net/netfilter/nf_flow_table_offload.c
@@ -722,6 +722,9 @@ int nf_flow_table_offload_setup(struct nf_flowtable *flowtable,
 	if (!(flowtable->flags & NF_FLOWTABLE_HW_OFFLOAD))
 		return 0;
 
+	if (!dev->netdev_ops->ndo_setup_tc)
+		return -EOPNOTSUPP;
+
 	bo.net		= dev_net(dev);
 	bo.block	= &flowtable->flow_block;
 	bo.command	= cmd;
-- 
1.8.3.1