On Mon, 02 Nov 2020, Lars-Peter Clausen wrote: > On 11/2/20 12:17 PM, Lee Jones wrote: > > Fixes the following W=1 kernel build warning(s): > > > > drivers/iio/industrialio-trigger.c: In function ‘iio_alloc_pollfunc’: > > drivers/iio/industrialio-trigger.c:338:2: warning: function ‘iio_alloc_pollfunc’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] > > Jonathan already sent a similar patch. See > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cd7798cbd28044a3026619e36993160ba8fa118d > <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cd7798cbd28044a3026619e36993160ba8fa118d> So adding this to the prototype also squashes the warning? > > Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> > > --- > > drivers/iio/industrialio-trigger.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c > > index 583bb51f65a75..1d65c83439d84 100644 > > --- a/drivers/iio/industrialio-trigger.c > > +++ b/drivers/iio/industrialio-trigger.c > > @@ -320,6 +320,7 @@ irqreturn_t iio_pollfunc_store_time(int irq, void *p) > > } > > EXPORT_SYMBOL(iio_pollfunc_store_time); > > +__printf(5, 6) > > struct iio_poll_func > > *iio_alloc_pollfunc(irqreturn_t (*h)(int irq, void *p), > > irqreturn_t (*thread)(int irq, void *p), > > -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog
