Re: Are Section mismatches out of control?
From: Jan Engelhardt
Date: Fri Feb 01 2008 - 19:01:30 EST
On Feb 1 2008 23:40, Sam Ravnborg wrote:
>>
>> checkpatch does not parse C, it uses heuristical regexes.
>>
>> That makes it very different from sparse or the section mismatch
>> finder which do not output false positives.
>
>Unfortunately I most correct you. Section mismatch checks seldoms finds
>what I would call 'real' bugs that causes oops - but it happen.
>It is mostly fasle positives that needs workaround, but also a great
>deal of missing annotation resulting in additional memory saved.
>And then occasionally a bad reference in some error handling that
>seldom trigger but when it does it would oops.
What I meant with false positives:=
modpost warning about something that is not true.
I have not yet seen such happening where code is obviously correct
by the eyeball, but modpost gets it wrong.
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