On Wed, Feb 21, 2018 at 10:33 PM, Anders Roxell
<[email protected]> wrote:
> PRIu64 is defined in user space to match libc's uint64_t definition.
> However, gpioevent_data structure in the kernel is defined using the
> kernel's own __u64 type.
>
> gpio-event-mon.c: In function ‘monitor_device’:
> gpio-event-mon.c:102:19: warning: format ‘%lu’ expects argument of type
> ‘long unsigned int’, but argument 3 has type ‘__u64 {aka long long
> unsigned int}’ [-Wformat=]
> fprintf(stdout, "GPIO EVENT %" PRIu64 ": ", event.timestamp);
> ^~~~~~~~~~~~~~
> LD /tmp/kselftest/gpiogpio-event-mon-in.o
> LINK /tmp/kselftest/gpiogpio-event-mon
>
> Fix is to replace PRIu64 with llu, which we know is what the kernel uses
> for __u64.
>
> Signed-off-by: Anders Roxell <[email protected]>
Patch applied with Daniel's test tag.
Yours,
Linus Walleij
