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iio: Add __printf() attributes to various allocation functions

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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

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200913132115.800131-3-jic23@kernel.org
This commit is contained in:
Jonathan Cameron 2020-09-13 14:21:14 +01:00
parent c9561fd21a
commit cd7798cbd2
3 changed files with 5 additions and 3 deletions
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3
drivers/iio/industrialio-trigger.c
View File

@ -516,7 +516,8 @@ 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)
static __printf(1, 0)
struct iio_trigger *viio_trigger_alloc(const char *fmt, va_list vargs)
{
struct iio_trigger *trig;
int i;

3
include/linux/iio/iio.h
View File

@ -691,8 +691,9 @@ 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);
__printf(2, 3)
struct iio_trigger *devm_iio_trigger_alloc(struct device *dev,
const char *fmt, ...);
const char *fmt, ...);
/**
* iio_buffer_enabled() - helper function to test if the buffer is enabled
* @indio_dev: IIO device structure for device

2
include/linux/iio/trigger_consumer.h
View File

@ -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,