Messages in this thread | | | Date | Tue, 1 Aug 2006 01:49:13 -0700 | From | Andrew Morton <> | Subject | Re: do { } while (0) question |
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On Tue, 1 Aug 2006 10:21:09 +0200 Heiko Carstens <heiko.carstens@de.ibm.com> wrote:
> Hi Andrew, > > your commit e2c2770096b686b4d2456173f53cb50e01aa635c does this: > > --- > Always use do {} while (0). Failing to do so can cause subtle compile > failures or bugs. > > -#define hotcpu_notifier(fn, pri) > -#define register_hotcpu_notifier(nb) > -#define unregister_hotcpu_notifier(nb) > +#define hotcpu_notifier(fn, pri) do { } while (0) > +#define register_hotcpu_notifier(nb) do { } while (0) > +#define unregister_hotcpu_notifier(nb) do { } while (0)
<strains brain>
Can't remember. Maybe it's OK in this case.
Would it be too weazelly to say "because CodingStyle says to"? ;) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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