Re: [PATCH] Input: atmel_mxt_ts - Remove unnecessary byte_offset check

From: Nick Dyer
Date: Sun Oct 08 2017 - 15:49:00 EST


On Sun, Oct 08, 2017 at 07:44:18PM +0100, Christos Gkekas wrote:
> Variable byte_offset is unsigned so checking whether it is greater or
> equal to zero is redundant.
>
> Signed-off-by: Christos Gkekas <chris.gekas@xxxxxxxxx>

Yep - looks sensible to me.

Signed-off-by: Nick Dyer <nick@xxxxxxxxxxxxx>

> ---
> drivers/input/touchscreen/atmel_mxt_ts.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
> index 7659bc4..baafaed 100644
> --- a/drivers/input/touchscreen/atmel_mxt_ts.c
> +++ b/drivers/input/touchscreen/atmel_mxt_ts.c
> @@ -1356,7 +1356,7 @@ static int mxt_prepare_cfg_mem(struct mxt_data *data,
>
> byte_offset = reg + i - cfg_start_ofs;
>
> - if (byte_offset >= 0 && byte_offset < config_mem_size) {
> + if (byte_offset < config_mem_size) {
> *(config_mem + byte_offset) = val;
> } else {
> dev_err(dev, "Bad object: reg:%d, T%d, ofs=%d\n",
> --
> 2.7.4
>