On Fri, May 14, 2021 at 07:18:38PM +0530, Shreyansh Chouhan wrote: > On Fri, May 14, 2021 at 03:36:25PM +0200, Greg KH wrote: > > On Fri, May 14, 2021 at 07:00:39PM +0530, Shreyansh Chouhan wrote: > > > 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@xxxxxxxxx> > > > --- > > > 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 > > > > > > > > > > Did you test build this change? > > I built the module using make -C . M=drivers/staging/greybus to test > build it. I didn't get any errors. Really? Can you provide the full build output for this file with your change? I don't think you really built this file for the obvious reasons... thanks, greg k-h