Re: [PATCH net-next] net/mlx5: Add esw assignment back in mlx5e_tc_sample_unoffload()

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On Wed, 2021-10-27 at 08:31 -0700, Nathan Chancellor wrote:
> Clang warns:
> 
> drivers/net/ethernet/mellanox/mlx5/core/en/tc/sample.c:635:34: error:
> variable 'esw' is uninitialized when used here [-Werror,-
> Wuninitialized]
>         mlx5_eswitch_del_offloaded_rule(esw, sample_flow->pre_rule,
> sample_flow->pre_attr);
>                                         ^~~
> drivers/net/ethernet/mellanox/mlx5/core/en/tc/sample.c:626:26: note:
> initialize the variable 'esw' to silence this warning
>         struct mlx5_eswitch *esw;
>                                 ^
>                                  = NULL
> 1 error generated.
> 
> It appears that the assignment should have been shuffled instead of
> removed outright like in mlx5e_tc_sample_offload(). Add it back so
> there
> is no use of esw uninitialized.
> 
> Fixes: a64c5edbd20e ("net/mlx5: Remove unnecessary checks for slow
> path flag")
> Link: https://github.com/ClangBuiltLinux/linux/issues/1494
> Signed-off-by: Nathan Chancellor <nathan@xxxxxxxxxx>

Nice catch ! 
applied to net-next-mlx5, 
Thanks !




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