[Linux-stm32] [PATCH] pinctrl: stmfx: Fix comparison of unsigned expression warnings

[Julia Lawall]

On Mon, 13 May 2019, Amelie Delaunay wrote:

> This patch fixes the following warnings:
>
> drivers/pinctrl/pinctrl-stmfx.c:225:5-8: WARNING: Unsigned expression
> compared with zero: dir < 0
> drivers/pinctrl/pinctrl-stmfx.c:231:5-9: WARNING: Unsigned expression
> compared with zero: pupd < 0
> drivers/pinctrl/pinctrl-stmfx.c:228:5-9: WARNING: Unsigned expression
> compared with zero: type < 0
>
> Fixes: 1490d9f841b1 ("pinctrl: Add STMFX GPIO expander Pinctrl/GPIO driver")
> Reported-by: kbuild test robot <lkp at intel.com>
> Reported-by: Julia Lawall <julia.lawall at lip6.fr>
> Signed-off-by: Amelie Delaunay <amelie.delaunay at st.com>

Acked-by: Julia Lawall <julia.lawall at lip6.fr>


> ---
>  drivers/pinctrl/pinctrl-stmfx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c
> index bcd8126..3bd5d6f 100644
> --- a/drivers/pinctrl/pinctrl-stmfx.c
> +++ b/drivers/pinctrl/pinctrl-stmfx.c
> @@ -213,7 +213,7 @@ static int stmfx_pinconf_get(struct pinctrl_dev *pctldev,
>  	struct stmfx_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
>  	u32 param = pinconf_to_config_param(*config);
>  	struct pinctrl_gpio_range *range;
> -	u32 dir, type, pupd;
> +	int dir, type, pupd;
>  	u32 arg = 0;
>  	int ret;
>
> --
> 2.7.4
>
>