Re: [PATCH] staging: pi433: remove unnecessary parentheses

From: Greg Kroah-Hartman
Date: Tue Jan 09 2018 - 09:31:51 EST


On Mon, Jan 08, 2018 at 06:38:55PM +0100, Valentin Vidic wrote:
> Fixes checkpatch warnings:
>
> CHECK: Unnecessary parentheses around 'mantisse != mantisse16'
> CHECK: Unnecessary parentheses around 'mantisse != mantisse20'
> CHECK: Unnecessary parentheses around 'mantisse != mantisse24'
>
> Signed-off-by: Valentin Vidic <Valentin.Vidic@xxxxxxxxx>
> ---
> drivers/staging/pi433/rf69.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
> index bdd00f750765..a07fc6bc27f7 100644
> --- a/drivers/staging/pi433/rf69.c
> +++ b/drivers/staging/pi433/rf69.c
> @@ -391,9 +391,9 @@ static int rf69_set_bandwidth_intern(struct spi_device *spi, u8 reg,
> return -EINVAL;
> }
>
> - if ((mantisse != mantisse16) &&
> - (mantisse != mantisse20) &&
> - (mantisse != mantisse24)) {
> + if (mantisse != mantisse16 &&
> + mantisse != mantisse20 &&
> + mantisse != mantisse24) {

I'm getting really tired of seeing this checkpatch warning, when it's a
major pain.

Joe, can you please turn these off. Patches like this will force people
to have to remember that != is higher precidence than &&. The original
code here was just fine.

thanks,

greg k-h

> dev_dbg(&spi->dev, "set: illegal input param");
> return -EINVAL;
> }
> --
> 2.15.1
>
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