linux-kernel - Re: [PATCH 11/14] HID: hiddev: Remove redundant check on unsigned variable

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Date:	Fri, 16 Nov 2012 10:27:43 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Tushar Behera <tushar.behera@...aro.org>
Cc:	linux-kernel@...r.kernel.org, patches@...aro.org,
	linux-usb@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH 11/14] HID: hiddev: Remove redundant check on unsigned
 variable

On Fri, 16 Nov 2012, Tushar Behera wrote:

> No need to check whether unsigned variable is less than 0.
> 
> CC: Jiri Kosina <jkosina@...e.cz>
> CC: linux-usb@...r.kernel.org
> CC: linux-input@...r.kernel.org
> Signed-off-by: Tushar Behera <tushar.behera@...aro.org>
> ---
>  drivers/hid/usbhid/hiddev.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
> index 14599e2..711c965 100644
> --- a/drivers/hid/usbhid/hiddev.c
> +++ b/drivers/hid/usbhid/hiddev.c
> @@ -625,7 +625,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
>  		break;
>  
>  	case HIDIOCAPPLICATION:
> -		if (arg < 0 || arg >= hid->maxapplication)
> +		if (arg >= hid->maxapplication)
>  			break;
>  
>  		for (i = 0; i < hid->maxcollection; i++)

Applied, thanks.

-- 
Jiri Kosina
SUSE Labs
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