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Commit 9cb405ee authored by Baowen Zheng's avatar Baowen Zheng Committed by Greg Kroah-Hartman
Browse files

flow_offload: return EOPNOTSUPP for the unsupported mpls action type 



[ 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: 9838b20a ("net: sched: take rtnl lock in tc_setup_flow_action()")
Signed-off-by: default avatarBaowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: default avatarSimon Horman <simon.horman@corigine.com>
Acked-by: default avatarJamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 066a637d

net/sched/cls_api.c

+1 −0
Original line number Diff line number Diff line
@@ -3562,6 +3562,7 @@ 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)) {