Re: [PATCH] ASoC: fsl_asrc: protect macro argument

Nicolin Chen
2017-08-07T07:08:26Z

On Sun, Aug 06, 2017 at 11:36:57PM -0700, Stefan Agner wrote:
> Protect macro argument with parentheses to avoid ambiguity.
> This fixes a warning seen with clang:
> warning: logical not is only applied to the left hand side of this comparison
>
> Signed-off-by: Stefan Agner <stefan@agner.ch>

Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>

Thanks

> ---
> sound/soc/fsl/fsl_asrc.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sound/soc/fsl/fsl_asrc.h b/sound/soc/fsl/fsl_asrc.h
> index 0f163abe4ba3..ec33dab4b909 100644
> --- a/sound/soc/fsl/fsl_asrc.h
> +++ b/sound/soc/fsl/fsl_asrc.h
> @@ -57,7 +57,7 @@
> #define REG_ASRDOC 0x74
> #define REG_ASRDI(i) (REG_ASRDIA + (i << 3))
> #define REG_ASRDO(i) (REG_ASRDOA + (i << 3))
> -#define REG_ASRDx(x, i) (x == IN ? REG_ASRDI(i) : REG_ASRDO(i))
> +#define REG_ASRDx(x, i) ((x) == IN ? REG_ASRDI(i) : REG_ASRDO(i))
>
> #define REG_ASRIDRHA 0x80
> #define REG_ASRIDRLA 0x84
> --
> 2.13.3
>