Re: [PATCH 04/35] media: uvcvideo: Use max() macro

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Quoting Ricardo Ribalda (2024-04-15 20:34:21)
> It makes the code slightly more clear and makes cocci incredibly happy:
> 
> drivers/media/usb/uvc/uvc_ctrl.c:839:22-23: WARNING opportunity for max()
> 
> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
> ---
>  drivers/media/usb/uvc/uvc_ctrl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
> index a4a987913430..4b685f883e4d 100644
> --- a/drivers/media/usb/uvc/uvc_ctrl.c
> +++ b/drivers/media/usb/uvc/uvc_ctrl.c
> @@ -836,7 +836,7 @@ static s32 uvc_get_le_value(struct uvc_control_mapping *mapping,
>         while (1) {
>                 u8 byte = *data & mask;
>                 value |= offset > 0 ? (byte >> offset) : (byte << (-offset));
> -               bits -= 8 - (offset > 0 ? offset : 0);
> +               bits -= 8 - max(offset, 0);

This looks semantically the same to me so:


Reviewed-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>

>                 if (bits <= 0)
>                         break;
>  
> 
> -- 
> 2.44.0.683.g7961c838ac-goog
>





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