On Thu, 20 Jun 2019, dmg wrote:
>
> kbuild test robot <lkp@xxxxxxxxx> writes:
>
> [...]
> >
> > All warnings (new ones prefixed by >>):
> >
> > In file included from include/linux/printk.h:332:0,
> > from include/linux/kernel.h:15,
> > from drivers/usb//misc/adutux.c:19:
> > drivers/usb//misc/adutux.c: In function 'adu_read':
> >>> drivers/usb//misc/adutux.c:375:4: warning: format '%lu' expects argument of type 'long unsigned int', but argument 5 has type 'size_t {aka unsigned int}' [-Wformat=]
> > "%s : while, data_in_secondary=%lu, status=%d\n",
>
> I am not sure what is the best way to address this warning.
>
> size_t seems to be architecture dependent. On my computer (intel64)
> size_t is long unsigned int, but in this test it is int unsigned.
>
> Are there any suggestions on what is the best way to deal with this?
Use the %zu format specifier instead of %lu. This is explained in
Documentation/core-api/printk-formats.rst.
Alan Stern
> casting size_t to long unsigned int will work, but it sounds kind of
> ugly.
>
>
> thank you,
>
>
> --daniel
>
>
> --
> Daniel M. German "We die. That may be the meaning of life.
> But we do language. That may be
> Toni Morrison -> the measure of our lives."
> http://turingmachine.org/
> http://silvernegative.com/
> dmg (at) uvic (dot) ca
> replace (at) with @ and (dot) with .
>
>
