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

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On 02/04/2023 15:16, Greg Kroah-Hartman wrote:
On Sun, Apr 02, 2023 at 02:25:51PM +0200, Angel Alberto Carretero wrote:
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,				\

Any specific reason why you did not test build your change before
submitting it?


greg k-h

Apologies, we can drop the patch. I was trying to find an error as part
of the eudyptula challenge and thought I was compiling the driver
correctly. Upon further examination, the macro cannot be written with a
do-while because it is defining functions.
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