Re: [PATCH] kfree_skb() bug in 2.4.22

[Dan Kegel]

Ingo Oeser wrote:
> On Friday 10 October 2003 15:00, David S. Miller wrote:
>
> > Ingo Oeser <ioe-lkml@xxxxxxxxxx> wrote:
> >
> > > Would you mind __attribute_nonnull__ for these functions, if we
> > > enable GCC 3.3 support for this[1]?
> >
> > I would say yes, but why?  All this attribute does is optimize
> > away tests for NULL which surprise surprise we don't have any
> > of in kfree_skb().
>
>
> And it wouldn't warn about passing NULL to these functions? That's bad...
> But maybe sparse/smatch are better for this...

Things like smatch, sparse, and checker can use the __attribute_nonnull__.
I'd say it's a good idea.  Should I submit the patch, then, since I'm
the one who like the idea?
- Dan

--
Dan Kegel
http://www.kegel.com
http://counter.li.org/cgi-bin/runscript/display-person.cgi?user=78045

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