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Re: [PATCH][V2] pinctrl: ti-iodelay: remove redundant pin < 0 check on unsigned int

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On 01/13/2017 03:06 PM, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> pin is an unsigned int and therefore can never be < 0 so
> this check is redundant. Remove the check and the associated
> dev_err error message.
>
> Fixes CoverityScan CID#1396438 ("Unsigned compared against 0")
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
>  drivers/pinctrl/ti/pinctrl-ti-iodelay.c | 6 ------
>  1 file changed, 6 deletions(-)
>
> diff --git a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c
> index 3b86d3d..a345166 100644
> --- a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c
> +++ b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c
> @@ -665,12 +665,6 @@ static void ti_iodelay_pin_dbg_show(struct pinctrl_dev *pctldev,
>  	r = iod->reg_data;
>
>  	offset = ti_iodelay_pin_to_offset(iod, pin);
> -	if (pin < 0) {
> -		dev_err(iod->dev, "invalid pin offset for pin%i\n", pin);
> -
> -		return;
> -	}
> -
>  	pd = &iod->pa[pin];
>  	cfg = pd->drv_data;
>
>

Acked-by: Nishanth Menon <nm@ti.com>

-- 
Regards,
Nishanth Menon

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[PATCH][V2] pinctrl: ti-iodelay: remove redundant pin < 0 check on unsigned int Colin King <colin.king@canonical.com> - 2017-01-13 22:10 +0100
  Re: [PATCH][V2] pinctrl: ti-iodelay: remove redundant pin < 0 check  on unsigned int Nishanth Menon <nm@ti.com> - 2017-01-14 17:50 +0100
  Re: [PATCH][V2] pinctrl: ti-iodelay: remove redundant pin < 0 check  on unsigned int Rob Herring <robh@kernel.org> - 2017-01-16 16:50 +0100
    Re: [PATCH][V2] pinctrl: ti-iodelay: remove redundant pin < 0 check  on unsigned int Colin Ian King <colin.king@canonical.com> - 2017-01-16 17:00 +0100

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