Macros with multiple statements should be enclosed in a do - while block. Signed-off-by: Husni Faiz <ahamedhusni73@xxxxxxxxx> --- 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