Re: Re: sysctl: Reduce dput(child) calls in proc_sys_fill_cache()

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On Wed, Oct 23, 2024 at 02:10:57PM +0200, Markus Elfring wrote:
> >> A dput(child) call was immediately used after an error pointer check
> >> for a d_splice_alias() call in this function implementation.
> >> Thus call such a function instead directly before the check.
> > This message reads funny, please re-write for your v2. Here is how I would write
> > it.
> >
> > "
> > Replace two dput(child) calls with one that occurs immediately before the IS_ERR
> > evaluation. This is ok because dput gets called regardless of the value returned
> > by IS_ERR(res).
> > "
> 
> Do you prefer the mentioned macro name over the wording “error pointer check”?
yes.

> 
> 
> >> This issue was transformed by using the Coccinelle software.
> > How long is the coccinelle script? …
> 
> A related script for the semantic patch language was presented already according to
> the clarification approach “Generalising a transformation with SmPL?”.
> https://lore.kernel.org/kernel-janitors/300b5d1a-ab88-4548-91d2-0792bc15e15e@xxxxxx/
> https://lkml.org/lkml/2024/9/14/464
> https://sympa.inria.fr/sympa/arc/cocci/2024-09/msg00004.html
There where several scripts in these links but non of them where too
long. Can you please append the one you used for this patch to the
commit message.

Thx

-- 

Joel Granados




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