netdev - Re: [PATCH] net/mlx5: Declare 'rt' as corresponding enum type

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Date:   Wed, 11 Sep 2019 20:39:56 +0900
From:   Austin Kim <austindh.kim@...il.com>
To:     Saeed Mahameed <saeedm@...lanox.com>
Cc:     "leon@...nel.org" <leon@...nel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Mark Bloch <markb@...lanox.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Alex Vesker <valex@...lanox.com>,
        Erez Shitrit <erezsh@...lanox.com>
Subject: Re: [PATCH] net/mlx5: Declare 'rt' as corresponding enum type

It is good to hear that similar patch was submitted.
Thanks for notification.

Thanks,
Austin Kim

2019년 9월 11일 (수) 오전 2:59, Saeed Mahameed <saeedm@...lanox.com>님이 작성:
>
> On Tue, 2019-09-10 at 18:27 +0900, Austin Kim wrote:
> > When building kernel with clang, we can observe below warning
> > message:
> >
> > drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c:1080:9:
> > warning: implicit conversion from enumeration type 'enum
> > mlx5_reformat_ctx_type'
> > to different enumeration type 'enum mlx5dr_action_type' [-   Wenum-
> > conversion]
> >       rt = MLX5_REFORMAT_TYPE_L2_TO_L2_TUNNEL;
> >                                 ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c:1082:9:
> > warning: implicit conversion from enumeration type 'enum
> > mlx5_reformat_ctx_type'
> > to different enumeration type 'enum mlx5dr_action_type' [-   Wenum-
> > conversion]
> >       rt = MLX5_REFORMAT_TYPE_L2_TO_L3_TUNNEL;
> >         ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c:1084:51:
> > warning: implicit conversion from enumeration type 'enum
> > mlx5dr_action_type'
> > to different enumeration type 'enum mlx5_reformat_ctx_type'
> > [-  Wenum-conversion]
> >       ret = mlx5dr_cmd_create_reformat_ctx(dmn->mdev, rt, data_sz,
> > data,
> >          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~            ^~
> >
> > Declare 'rt' as corresponding enum mlx5_reformat_ctx_type type.
> >
> > Signed-off-by: Austin Kim <austindh.kim@...il.com>
> Hi Austin, Thanks for the patch:
>
> We already have a similar patch queued for submission.
> https://patchwork.ozlabs.org/patch/1158175/
>
> > ---
> >  drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git
> > a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
> > b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
> > index a02f87f..7d81a77 100644
> > --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
> > +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
> > @@ -1074,7 +1074,7 @@ dr_action_create_reformat_action(struct
> > mlx5dr_domain *dmn,
> >       case DR_ACTION_TYP_L2_TO_TNL_L2:
> >       case DR_ACTION_TYP_L2_TO_TNL_L3:
> >       {
> > -             enum mlx5dr_action_type rt;
> > +             enum mlx5_reformat_ctx_type rt;
> >
> >               if (action->action_type == DR_ACTION_TYP_L2_TO_TNL_L2)
> >                       rt = MLX5_REFORMAT_TYPE_L2_TO_L2_TUNNEL;