Re: [PATCH] netfilter: conntrack: fix -Wformat

[Tom Rix]

On 12/2/20 2:34 PM, Nick Desaulniers wrote:
> On Tue, Nov 10, 2020 at 2:04 PM Joe Perches <joe@xxxxxxxxxxx> 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@xxxxxxxxxxx/
> + 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.

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.

Tom