On Sun, Sep 13, 2020 at 4:24 PM Jonathan Cameron <jic23@xxxxxxxxxx> wrote: > > From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > > A partial set of these was added to IIO a long time back. > This fills in some gaps in coverage highlighted by building > with W=1 > Stylistically, it looks like plenty of these attributes are specified on a separate line before the function definition. Example: __printf(1, 0) static struct iio_trigger *viio_trigger_alloc(const char *fmt, va_list vargs) It doesn't make much difference to me how it's placed. Reviewed-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > --- > drivers/iio/industrialio-trigger.c | 2 +- > include/linux/iio/iio.h | 4 ++-- > include/linux/iio/trigger_consumer.h | 2 +- > 3 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c > index 6f16357fd732..adfe023cad48 100644 > --- a/drivers/iio/industrialio-trigger.c > +++ b/drivers/iio/industrialio-trigger.c > @@ -516,7 +516,7 @@ static void iio_trig_subirqunmask(struct irq_data *d) > trig->subirqs[d->irq - trig->subirq_base].enabled = true; > } > > -static struct iio_trigger *viio_trigger_alloc(const char *fmt, va_list vargs) > +__printf(1, 0) static struct iio_trigger *viio_trigger_alloc(const char *fmt, va_list vargs) > { > struct iio_trigger *trig; > int i; > diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h > index e2df67a3b9ab..a02a3efad794 100644 > --- a/include/linux/iio/iio.h > +++ b/include/linux/iio/iio.h > @@ -691,8 +691,8 @@ static inline void *iio_priv(const struct iio_dev *indio_dev) > > void iio_device_free(struct iio_dev *indio_dev); > struct iio_dev *devm_iio_device_alloc(struct device *parent, int sizeof_priv); > -struct iio_trigger *devm_iio_trigger_alloc(struct device *dev, > - const char *fmt, ...); > +__printf(2, 3) struct iio_trigger *devm_iio_trigger_alloc(struct device *dev, > + const char *fmt, ...); > /** > * iio_buffer_enabled() - helper function to test if the buffer is enabled > * @indio_dev: IIO device structure for device > diff --git a/include/linux/iio/trigger_consumer.h b/include/linux/iio/trigger_consumer.h > index 3aa2f132dd67..2c05dfad88d7 100644 > --- a/include/linux/iio/trigger_consumer.h > +++ b/include/linux/iio/trigger_consumer.h > @@ -38,7 +38,7 @@ struct iio_poll_func { > }; > > > -struct iio_poll_func > +__printf(5, 6) struct iio_poll_func > *iio_alloc_pollfunc(irqreturn_t (*h)(int irq, void *p), > irqreturn_t (*thread)(int irq, void *p), > int type, > -- > 2.28.0 >