linux-hardening - Re: [PATCH] scripts: kernel-doc: Ignore __alloc

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Message-ID: <87sfx6t2l5.fsf@meer.lwn.net>
Date:   Tue, 12 Oct 2021 14:23:02 -0600
From:   Jonathan Corbet <corbet@....net>
To:     Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Kees Cook <keescook@...omium.org>,
        Matthew Wilcox <willy@...radead.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Joe Perches <joe@...ches.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH] scripts: kernel-doc: Ignore __alloc_size() attribute

Kees Cook <keescook@...omium.org> writes:

> Fixes "Compiler Attributes: add __alloc_size() for better bounds checking"
> so that the __alloc_size() macro is ignored for function prototypes when
> generating kerndoc. Avoids warnings like:
>
> ./include/linux/slab.h:662: warning: Function parameter or member '1' not described in '__alloc_size'
> ./include/linux/slab.h:662: warning: Function parameter or member '2' not described in '__alloc_size'
> ./include/linux/slab.h:662: warning: expecting prototype for kcalloc().  Prototype was for __alloc_size() instead
>
> Suggested-by: Matthew Wilcox <willy@...radead.org>
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Kees Cook <keescook@...omium.org>
> ---
>  scripts/kernel-doc | 1 +
>  1 file changed, 1 insertion(+)

Applied, thanks.

jon