Re: [v2 2/2] soc: fsl: dpio: Use scope-based resource management in dpaa2_io_create()

Markus Elfring <[email protected]> Mon, 27 Jul 2026 14:14:05 +0200
Newsgroups org.kernel.vger.kernel-janitors,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel,org.ozlabs.lists.linuxppc-dev
Message-ID <[email protected]>
>> Scope-based resource management became supported for some
>> programming interfaces by contributions of Peter Zijlstra on 2023-05-26=
.
>> See also the commit 54da6a0924311c7cf5015533991e44fb8eb12773 ("locking:
>> Introduce __cleanup() based infrastructure").
>>
>> * Thus use the attribute =E2=80=9C__free(kfree)=E2=80=9D.
>>
>> * Omit two kfree() calls accordingly.
>>
>> * Reduce the scopes for the local variables =E2=80=9Cobj=E2=80=9D
>>   and =E2=80=9Cqman_256_cycles_per_ns=E2=80=9D.
>=20
> Why?  No one does this except bcachefs and that was removed.
Have you still got development difficulties with scope reductions for
selected local variables?
https://elixir.bootlin.com/linux/v7.2-rc4/source/include/linux/cleanup.h#L=
142-L146

Regards,
Markus