Re: [PATCH] staging: greybus: fix gb_loopback_stats_attrs definition

Greg KH
2021-05-14T14:05:40Z

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@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
> > >
> > >
> >
> > 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