Messages in this thread | | | Date | Sat, 5 Oct 2013 18:08:31 +0200 | Subject | Re: [PATCH] kernel/irq/proc.c: set MAX_NAMELEN 11 instead of 10 which express the maximize size of "%d" or "%u". | From | Richard Weinberger <> |
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On Sat, Oct 5, 2013 at 5:46 PM, Chen Gang <gang.chen@asianux.com> wrote: > On 10/05/2013 11:41 PM, Joe Perches wrote: >> On Sat, 2013-10-05 at 23:19 +0800, Chen Gang wrote: >>> Theoretically, the maximize size of "%d" or "%u" is 11 (10 + '\0'), so >>> need set MAX_NAMELEN 11 instead of 10. >> >> %d can be negative. >> >> >> >> > > Oh, really, it is incorrect. Al Viro succeeds once. :-( > > And I should send patch v2 for it.
irq is in both register_irq_proc() and unregister_irq_proc() an unsigned int. Therefore %d makes not really sense. Both should use %u. IMHO sprintf() should also get replaced by snprintf() but that's a matter of taste.
-- Thanks, //richard
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