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Subject[PATCH 5.10 45/99] flow_offload: return EOPNOTSUPP for the unsupported mpls action type
Date
From: Baowen Zheng <baowen.zheng@corigine.com>

[ Upstream commit 166b6a46b78bf8b9559a6620c3032f9fe492e082 ]

We need to return EOPNOTSUPP for the unsupported mpls action type when
setup the flow action.

In the original implement, we will return 0 for the unsupported mpls
action type, actually we do not setup it and the following actions
to the flow action entry.

Fixes: 9838b20a7fb2 ("net: sched: take rtnl lock in tc_setup_flow_action()")
Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/sched/cls_api.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 8073657a0fd25..cb1331b357451 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -3703,6 +3703,7 @@ int tc_setup_flow_action(struct flow_action *flow_action,
entry->mpls_mangle.ttl = tcf_mpls_ttl(act);
break;
default:
+ err = -EOPNOTSUPP;
goto err_out_locked;
}
} else if (is_tcf_skbedit_ptype(act)) {
--
2.33.0


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