linux-kernel - Re: [PATCH] pinctrl: remove redundant pin

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <081d1a28-9324-7e61-e667-3bd1bc443a04@ti.com>
Date:   Fri, 13 Jan 2017 14:41:50 -0600
From:   Nishanth Menon <nm@...com>
To:     Colin King <colin.king@...onical.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Lokesh Vutla <lokeshvutla@...com>,
        Tony Lindgren <tony@...mide.com>, <linux-gpio@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: remove redundant pin < 0 check on unsigned int

On 01/13/2017 07:20 AM, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
>
> pin is an unsigned int and therefore can never be < 0 so
> this check is redudant. Remove the check and the associated
s/redudant/redundant/

> dev_err error message.
>
> Fixes CoverityScan CID#1396438 ("Unsigned compared against 0")
>
> Signed-off-by: Colin Ian King <colin.king@...onical.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;
>
>

Thanks.

just the $subject could probably be "pinctrl: ti-iodelay:..."

Other than these:

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

-- 
Regards,
Nishanth Menon