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SubjectRe: [PATCH] netfilter: conntrack: fix -Wformat
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On Sun, 2020-12-13 at 11:21 -0800, Tom Rix wrote:
> On 12/2/20 2:34 PM, Nick Desaulniers wrote:
> > On Tue, Nov 10, 2020 at 2:04 PM Joe Perches <joe@perches.com> wrote:
> > > On Tue, 2020-11-10 at 14:00 -0800, Nick Desaulniers wrote:
> > >
> > > > Yeah, we could go through and remove %h and %hh to solve this, too, right?
> > > Yup.
> > >
> > > I think one of the checkpatch improvement mentees is adding
> > > some suggestion and I hope an automated fix mechanism for that.
> > >
> > > https://lore.kernel.org/lkml/5e3265c241602bb54286fbaae9222070daa4768e.camel@perches.com/
> > + Tom, who's been looking at leveraging clang-tidy to automate such
> > treewide mechanical changes.
> > ex. https://reviews.llvm.org/D91789
> >
> > See also commit cbacb5ab0aa0 ("docs: printk-formats: Stop encouraging
> > use of unnecessary %h[xudi] and %hh[xudi]") for a concise summary of
> > related context.
>
> I have posted the fixer here
>
> https://reviews.llvm.org/D93182
>
> It catches about 200 problems in 100 files, I'll be posting these soon.

Thanks, but see below:

> clang-tidy-fix's big difference over checkpatch is using the __printf(x,y) attribute to find the log functions.
>
> I will be doing a follow-on to add the missing __printf or __scanf's and rerunning the fixer.

scanf should not be tested because the %h use is required there.


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