Re: [PATCH v2 2/3] various: Remove unnecessary OBJECT() cast

[Markus Armbruster <armbru@xxxxxxxxxx>]

Philippe Mathieu-Daudé <f4bug@xxxxxxxxx> writes:

> The OBJECT() macro is defined as:
>
>   #define OBJECT(obj) ((Object *)(obj))
>
> which expands to:
>
>   ((Object *)object_dynamic_cast_assert((Object *)(obj), (name),
>                                         __FILE__, __LINE__, __func__))

Nope :)

> This assertion can only fail when @obj points to something other
> than its stated type, i.e. when we're in undefined behavior country.

There is no assertion.

> Remove the unnecessary OBJECT() casts when we already know the
> pointer is of Object type.
>
> Patch created mechanically using spatch with this script:
>
>   @@
>   typedef Object;
>   Object *o;
>   @@
>   -   OBJECT(o)
>   +   o
>
> Acked-by: Cornelia Huck <cohuck@xxxxxxxxxx>
> Acked-by: Corey Minyard <cminyard@xxxxxxxxxx>
> Acked-by: John Snow <jsnow@xxxxxxxxxx>
> Reviewed-by: Richard Henderson <richard.henderson@xxxxxxxxxx>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx>
> ---
> v2: Reword (Markus)

My rewording suggestion applied to PATCH 3, not to this one.

With v2's commit message;
Reviewed-by: Markus Armbruster <armbru@xxxxxxxxxx>