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

["Ángel Alberto Carretero" <angelalbertoc.r@gmail.com>]

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@gmail.com>
>> ---
>>   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
>>
>>
> 
> Any specific reason why you did not test build your change before
> submitting it?
> 
> thanks,
> 
> 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.