Re: [PATCH] iwlwifi: fix compare_const_fl.cocci warnings

From: Grumbach, Emmanuel
Date: Sat Nov 28 2015 - 13:47:04 EST


Hi Julia,

On 11/27/2015 06:11 PM, Julia Lawall wrote:
> Move constants to the right of binary operators.
>
> Generated by: scripts/coccinelle/misc/compare_const_fl.cocci
>
> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
> Signed-off-by: Julia Lawall <julia.lawall@xxxxxxx>
> ---
>
> This looks a bit nicer around the other way, in my opinion.

Thanks, I picked it up. I agree with your taste although having
constants on the left side can avoid the typo = instead of == since they
can't be an l-value. Obviously we never do that and prefer to have the
constant on the right side. More readable for sure.
>
> calib.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- a/drivers/net/wireless/intel/iwlwifi/dvm/calib.c
> +++ b/drivers/net/wireless/intel/iwlwifi/dvm/calib.c
> @@ -311,7 +311,7 @@ static int iwl_sens_energy_cck(struct iw
> /* If previous beacon had too many false alarms,
> * give it some extra margin by reducing sensitivity again
> * (but don't go below measured energy of desired Rx) */
> - if (IWL_FA_TOO_MANY == data->nrg_prev_state) {
> + if (data->nrg_prev_state == IWL_FA_TOO_MANY) {
> IWL_DEBUG_CALIB(priv, "... increasing margin\n");
> if (data->nrg_th_cck > (max_nrg_cck + NRG_MARGIN))
> data->nrg_th_cck -= NRG_MARGIN;
>

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