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Re: [patch] staging: rtl8723au: incorrect use of ether_addr_copy()

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On Wed, 8 Oct 2014, Dan Carpenter wrote:

> On Wed, Oct 08, 2014 at 05:26:11AM -0700, Joe Perches wrote:
> > On Wed, 2014-10-08 at 13:40 +0300, Dan Carpenter wrote:
> > > The return from myid() isn't aligned correctly for ether_addr_copy().
> >
> > Hey Dan.
> >
> > Actual evidence showing ether_addr_copy conversions
> > may not always be wise.
> >
> > How did you find them?
>
> I was just trying to see how common these kinds of bugs are.  It didn't
> take long to find, but my impression is that they are rare and I got
> lucky.  These kinds of bugs are tricky to find and we don't have any
> tools for it.

Couldn't you just use your favorite matching tool, collect the file names,
compile them, run pahole, and process the output in some way?  It doesn't
give a complete analysis (you don't find all problems), but if you find a
problem it is a real problem.

julia
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