linux-kernel - Re: [PATCH] staging: greybus: loopback: Fix Coding Style Error

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Date:   Thu, 17 Feb 2022 20:26:41 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Husni Faiz <ahamedhusni73@...il.com>
Cc:     pure.logic@...us-software.ie, elder@...nel.org,
        greybus-dev@...ts.linaro.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: greybus: loopback: Fix Coding Style Error

On Fri, Feb 18, 2022 at 12:37:22AM +0530, Husni Faiz wrote:
> Macros with multiple statements should be enclosed in a do - while
> block.
> 
> Signed-off-by: Husni Faiz <ahamedhusni73@...il.com>
> ---
>  drivers/staging/greybus/loopback.c | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c
> index 2471448ba42a..33666a49e0a8 100644
> --- a/drivers/staging/greybus/loopback.c
> +++ b/drivers/staging/greybus/loopback.c
> @@ -162,10 +162,12 @@ static ssize_t name##_avg_show(struct device *dev,		\
>  }									\
>  static DEVICE_ATTR_RO(name##_avg)
>  
> -#define gb_loopback_stats_attrs(field)				\
> -	gb_loopback_ro_stats_attr(field, min, u);		\
> -	gb_loopback_ro_stats_attr(field, max, u);		\
> -	gb_loopback_ro_avg_attr(field)
> +#define gb_loopback_stats_attrs(field)					\
> +	do {												\
> +		gb_loopback_ro_stats_attr(field, min, u);		\
> +		gb_loopback_ro_stats_attr(field, max, u);		\
> +		gb_loopback_ro_avg_attr(field)					\
> +	} while (0)
>  
>  #define gb_loopback_attr(field, type)					\
>  static ssize_t field##_show(struct device *dev,				\
> -- 
> 2.25.1
> 
> 

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