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SubjectRe: [PATCH net-next 1/2] mlx5: steering: use correct enum type
On Mon, Sep 9, 2019 at 12:55 PM Nathan Chancellor
<natechancellor@gmail.com> wrote:
>
> On Mon, Sep 09, 2019 at 09:50:08PM +0200, Arnd Bergmann wrote:
> > The newly added code triggers a harmless warning with
> > clang:
> >
> > drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c:1080:9: error: implicit conversion from enumeration type 'enum mlx5_reformat_ctx_type' to different enumeration type 'enum mlx5dr_action_type' [-Werror,-Wenum-conversion]
> > rt = MLX5_REFORMAT_TYPE_L2_TO_L2_TUNNEL;
> > ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c:1084:51: error: implicit conversion from enumeration type 'enum mlx5dr_action_type' to different enumeration type 'enum mlx5_reformat_ctx_type' [-Werror,-Wenum-conversion]
> > ret = mlx5dr_cmd_create_reformat_ctx(dmn->mdev, rt, data_sz, data,
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^~
> >
> > Change it to use mlx5_reformat_ctx_type instead of mlx5dr_action_type.
> >
> > Fixes: 9db810ed2d37 ("net/mlx5: DR, Expose steering action functionality")
> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
>
> I sent the same fix a couple of days ago:
>
> https://lore.kernel.org/netdev/20190905014733.17564-1-natechancellor@gmail.com/
>
> I don't care which patch goes in since they are the same thing so:
>
> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>

GCC recently gained support (via me scanning the commit logs for an
unrelated feature) for -Wenum-warnings (though I think it's off by
default) so hopefully these kinds of issues will taper off over time.
--
Thanks,
~Nick Desaulniers

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