Re: [dpdk-dev] [PATCH v2 16/30] net/mlx5: fix clang compilation error

[Yongseok Koh]

On Thu, Oct 05, 2017 at 02:49:48PM +0200, Nelio Laranjeiro wrote:
> drivers/net/mlx5/mlx5_rxq.c:606:6: error: comparison of constant 4
>       with expression of type 'enum hash_rxq_flow_type' is always true
>       [-Werror,-Wtautological-constant-out-of-range-compare]
>                         i != (int)RTE_DIM((*priv->hash_rxqs)[0].special_flow);
>                         ~ ^  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Clang expects to have an index going upto special_flow size which is
> defined by MLX5_MAX_SPECIAL_FLOWS and value is 4.  Comparing to an
> unrelated enum where index my be lower cause this compilation issue.
> 
> Fixes: 36351ea34b92 ("net/mlx: fix build with icc")
> Cc: ferruh.yi...@intel.com
> Cc: sta...@dpdk.org
> 
> Signed-off-by: Nelio Laranjeiro <nelio.laranje...@6wind.com>
> ---
Acked-by: Yongseok Koh <ys...@mellanox.com>
 
Thanks