Yijing,
On Thu, 23 Jan 2014, David Laight wrote:
> From: Linuxppc-dev Tony Prisk
> > On 23/01/14 20:12, Yijing Wang wrote:
> > > Currently, clocksource_register() and __clocksource_register_scale()
> > > functions always return 0, it's pointless, make functions void.
> > > And remove the dead code that check the clocksource_register_hz()
> > > return value.
> > ......
> > > -static inline int clocksource_register_hz(struct clocksource *cs, u32 hz)
> > > +static inline void clocksource_register_hz(struct clocksource *cs, u32
> > > hz)
> > > {
> > > return __clocksource_register_scale(cs, 1, hz);
> > > }
> >
> > This doesn't make sense - you are still returning a value on a function
> > declared void, and the return is now from a function that doesn't return
> > anything either ?!?!
> > Doesn't this throw a compile-time warning??
>
> It depends on the compiler.
> Recent gcc allow it.
> I don't know if it is actually valid C though.
>
> There is no excuse for it on lines like the above though.
Can you please resend with that fixed against 3.14-rc1 ?
Thanks,
tglx
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