[PATCH] staging: greybus: loopback: fix up checkpath macro do while error.

[Angel Alberto Carretero]

Wrap macro in a do-while statement.

Signed-off-by: Angel Alberto Carretero <angelalbertoc.r@xxxxxxxxx>
---
 drivers/staging/greybus/loopback.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c
index d7b39f3bb652..371809770ed0 100644
--- a/drivers/staging/greybus/loopback.c
+++ b/drivers/staging/greybus/loopback.c
@@ -162,9 +162,11 @@ 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)
+	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,				\
-- 
2.40.0