Messages in this thread | | | From | <> | Subject | Re: [patch net] net: microchip: sparx5: Fix return value in sparx5_tc_setup_qdisc_ets() | Date | Fri, 18 Nov 2022 09:34:02 +0000 |
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Den Thu, Nov 17, 2022 at 11:07:22PM +0800 skrev Lu Wei: > [Some people who received this message don't often get email from luwei32@huawei.com. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ] > > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > Function sparx5_tc_setup_qdisc_ets() always returns negative value > because it return -EOPNOTSUPP in the end. This patch returns the > rersult of sparx5_tc_ets_add() and sparx5_tc_ets_del() directly. > > Fixes: 211225428d65 ("net: microchip: sparx5: add support for offloading ets qdisc") > Signed-off-by: Lu Wei <luwei32@huawei.com> > --- > drivers/net/ethernet/microchip/sparx5/sparx5_tc.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_tc.c b/drivers/net/ethernet/microchip/sparx5/sparx5_tc.c > index e05429c751ee..dc2c3756e3a2 100644 > --- a/drivers/net/ethernet/microchip/sparx5/sparx5_tc.c > +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_tc.c > @@ -90,13 +90,10 @@ static int sparx5_tc_setup_qdisc_ets(struct net_device *ndev, > } > } > > - sparx5_tc_ets_add(port, params); > - break; > + return sparx5_tc_ets_add(port, params); > case TC_ETS_DESTROY: > > - sparx5_tc_ets_del(port); > - > - break; > + return sparx5_tc_ets_del(port); > case TC_ETS_GRAFT: > return -EOPNOTSUPP; > > -- > 2.31.1 >
Looks like ets_offload_change() does not check the return value of ndo_setup_tc() here [1] - I wonder why this is. This also explains why my ETS tests were passing.
Anyway, thank you for the patch.
Reviewed-by: Daniel Machon <daniel.machon@microchip.com>
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[1] https://elixir.bootlin.com/linux/v6.1-rc5/source/net/sched/sch_ets.c#L143
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