This patch add fixes an checkpatch error for "Macros with multiple statements
should be enclosed in a do - while loop"

Signed-off-by: Hemansh Agnihotri <hemanshagnihotr...@gmail.com>
---
 drivers/staging/greybus/loopback.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/greybus/loopback.c 
b/drivers/staging/greybus/loopback.c
index 2471448ba42a..6dd95d648999 100644
--- a/drivers/staging/greybus/loopback.c
+++ b/drivers/staging/greybus/loopback.c
@@ -162,10 +162,11 @@ static ssize_t name##_avg_show(struct device *dev,        
        \
 }                                                                      \
 static DEVICE_ATTR_RO(name##_avg)
 
-#define gb_loopback_stats_attrs(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)
+       gb_loopback_ro_avg_attr(field);                         \
+       } while (0)
 
 #define gb_loopback_attr(field, type)                                  \
 static ssize_t field##_show(struct device *dev,                                
\
-- 
2.30.0

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