From: Arnd Bergmann <a...@arndb.de>
Date: Tue, 06 Oct 2015 22:52:46 +0200
> Commit 124613012db1 ("af_unix: Convert the unix_sk macro to an inline
> function for type safety") was recently added to catch incorrect
> uses of the unix_sk helper using compiler warnings.
>
> It has now caught one such case in lsm_audit.c. The code is technically
> correct, but as it converts a const pointer to a non-const pointer,
> the annotation got lost, which gcc now warns about.
>
> This patch avoids the warning by introducing an additional helper
> that has const input and output, which makes the lsm_audit code build
> cleanly again.
>
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> ---
> I'm not entirely happy with this workaround myself, but could not come
> up with a better one.
You can make the argument unconditionally const, as Paul Moore has done
in a separate patch submission.
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