[PATCH] staging: greybus: fix gb_loopback_stats_attrs definition

Shreyansh Chouhan
2021-05-14T13:30:54Z

The gb_loopback_stats_attrs macro, (defined in loopback.c,) is a
multiline macro whose statements were not enclosed in a do while
loop.

This patch adds a do while loop around the statements of the said
macro.

Signed-off-by: Shreyansh Chouhan <chouhan.shreyansh630@gmail.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..c88ef3e894fa 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, \
--
2.31.1