Messages in this thread | | | Date | Sun, 06 Oct 2013 00:50:59 +0800 | From | Chen Gang <> | Subject | Re: [PATCH] kernel/irq/proc.c: set MAX_NAMELEN 11 instead of 10 which express the maximize size of "%d" or "%u". |
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On 10/06/2013 12:08 AM, Richard Weinberger wrote: > 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. >
OK, thanks. your opinions sounds more reasonable to me.
After 1 day (if no additional reply), I should send patch v2 for it.
Thanks -- Chen Gang
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