[PATCH v5 02/10] locking/mutex: introduce devm_mutex_init

Andy Shevchenko andy.shevchenko at gmail.com
Thu Mar 7 21:34:55 AEDT 2024


On Thu, Mar 7, 2024 at 4:40 AM George Stark <gnstark at salutedevices.com> wrote:
>
> Using of devm API leads to a certain order of releasing resources.
> So all dependent resources which are not devm-wrapped should be deleted
> with respect to devm-release order. Mutex is one of such objects that
> often is bound to other resources and has no own devm wrapping.
> Since mutex_destroy() actually does nothing in non-debug builds
> frequently calling mutex_destroy() is just ignored which is safe for now
> but wrong formally and can lead to a problem if mutex_destroy() will be
> extended so introduce devm_mutex_init()
>
> Signed-off-by: George Stark <gnstark at salutedevices.com>
> Signed-off-by: Christophe Leroy <christophe.leroy at csgroup.eu>

>  Hello Christophe. Hope you don't mind I put you SoB tag because you helped alot
>  to make this patch happen.

You also need to figure out who should be the author of the patch and
probably add a (missing) Co-developed-by. After all you should also
follow the correct order of SoBs.

-- 
With Best Regards,
Andy Shevchenko


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