Re: [PATCH] staging: greybus: Fix macro definition

From: Greg KH
Date: Sat Dec 03 2016 - 05:22:44 EST


On Sat, Dec 03, 2016 at 03:41:19PM +0530, Chinmay VS wrote:
> From: ChinmayVS <cvs268@xxxxxxxxx>
>
> Macros with multiple statements should be enclosed in a do - while loop
>
> Signed-off-by: ChinmayVS <cvs268@xxxxxxxxx>
> ---
> drivers/staging/greybus/loopback.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c
> index 7882306..39f0a25 100644
> --- a/drivers/staging/greybus/loopback.c
> +++ b/drivers/staging/greybus/loopback.c
> @@ -177,9 +177,11 @@ static ssize_t name##_avg_show(struct device *dev, \
> static DEVICE_ATTR_RO(name##_avg)
>
> #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)
> + gb_loopback_ro_avg_attr(field) \
> +} while (0)
>
> #define gb_loopback_attr(field, type) \
> static ssize_t field##_show(struct device *dev, \

Always build test your changes so you don't get a grumpy maintainer
yelling at you for not test-building your patches...