Re: [PATCH] staging: goldfish: Add parenthesis around macros arguments

From: Greg KH
Date: Sat Apr 08 2017 - 11:04:02 EST


On Thu, Mar 30, 2017 at 12:11:05AM +0300, aviyae wrote:
> Fix style issues by adding parenthesis around macros
> arguments
>
> Signed-off-by: Aviya Erenfeld <aviyae42@xxxxxxxxx>
> ---
> drivers/staging/goldfish/goldfish_audio.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/staging/goldfish/goldfish_audio.c b/drivers/staging/goldfish/goldfish_audio.c
> index bd55995..2bb1f27 100644
> --- a/drivers/staging/goldfish/goldfish_audio.c
> +++ b/drivers/staging/goldfish/goldfish_audio.c
> @@ -61,10 +61,11 @@ struct goldfish_audio {
> #define COMBINED_BUFFER_SIZE ((2 * READ_BUFFER_SIZE) + \
> (2 * WRITE_BUFFER_SIZE))
>
> -#define AUDIO_READ(data, addr) (readl(data->reg_base + addr))
> -#define AUDIO_WRITE(data, addr, x) (writel(x, data->reg_base + addr))
> +#define AUDIO_READ(data, addr) (readl((data)->reg_base + (addr)))
> +#define AUDIO_WRITE(data, addr, x) (writel(x, (data)->reg_base + (addr)))
> #define AUDIO_WRITE64(data, addr, addr2, x) \
> - (gf_write_dma_addr((x), data->reg_base + addr, data->reg_base + addr2))
> + (gf_write_dma_addr((x), (data)->reg_base + (addr), \
> + (data)->reg_base + (addr2)))

Your indentation here is odd, please fix up.

And is this really a needed change?

thanks,

greg k-h