Re: [PATCH][next] Input: qt1050: fix less than zero comparison on an unsigned int

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Ian,

On 19-05-07 09:21, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> Currently the less than zero comparison of val is always false because
> val is an unsigned int. Fix this by making val a signed int.

Thanks for covering that, was an copy 'n' paste failure..
> 
> Addresses-Coverity: ("Unsigned compared against zero")
> Fixes: a33ff45923c8 ("Input: qt1050 - add Microchip AT42QT1050 support")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
>  drivers/input/keyboard/qt1050.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/input/keyboard/qt1050.c b/drivers/input/keyboard/qt1050.c
> index 6b1603cb7515..4debddb13972 100644
> --- a/drivers/input/keyboard/qt1050.c
> +++ b/drivers/input/keyboard/qt1050.c
> @@ -222,7 +222,7 @@ static struct regmap_config qt1050_regmap_config = {
>  
>  static bool qt1050_identify(struct qt1050_priv *ts)
>  {
> -	unsigned int val;
> +	int val;

I think the proper solution is to add a ret val, because this covers the
success/fail. I will send a patch to fix this.

Regards,
  Marco

>  	/* Read Chip ID */
>  	regmap_read(ts->regmap, QT1050_CHIP_ID, &val);
> -- 
> 2.20.1
> 
> 

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |



[Index of Archives]     [Linux Media Devel]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Linux Wireless Networking]     [Linux Omap]

  Powered by Linux