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Re: [PATCH v2 2/3] various: Remove unnecessary OBJECT() cast
From: |
Markus Armbruster |
Subject: |
Re: [PATCH v2 2/3] various: Remove unnecessary OBJECT() cast |
Date: |
Fri, 08 May 2020 14:49:48 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) |
Philippe Mathieu-Daudé <address@hidden> 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 <address@hidden>
> Acked-by: Corey Minyard <address@hidden>
> Acked-by: John Snow <address@hidden>
> Reviewed-by: Richard Henderson <address@hidden>
> Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
> ---
> v2: Reword (Markus)
My rewording suggestion applied to PATCH 3, not to this one.
With v2's commit message;
Reviewed-by: Markus Armbruster <address@hidden>