On 2014/2/6 4:40, Thomas Gleixner wrote: > 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 ? OK, I will resend later. Thanks! Yijing. > > . > -- Thanks! Yijing