linux-kernel - Re: [RFC PATCH v11 15/19] fsverity: consume builtin signature via LSM hook

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Message-ID: <20231005022707.GA1688@quark.localdomain>
Date:   Wed, 4 Oct 2023 22:27:07 -0400
From:   Eric Biggers <ebiggers@...nel.org>
To:     Fan Wu <wufan@...ux.microsoft.com>
Cc:     corbet@....net, zohar@...ux.ibm.com, jmorris@...ei.org,
        serge@...lyn.com, tytso@....edu, axboe@...nel.dk, agk@...hat.com,
        snitzer@...nel.org, eparis@...hat.com, paul@...l-moore.com,
        linux-doc@...r.kernel.org, linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-fscrypt@...r.kernel.org, linux-block@...r.kernel.org,
        dm-devel@...hat.com, audit@...r.kernel.org,
        roberto.sassu@...wei.com, linux-kernel@...r.kernel.org,
        Deven Bowers <deven.desai@...ux.microsoft.com>
Subject: Re: [RFC PATCH v11 15/19] fsverity: consume builtin signature via
 LSM hook

On Wed, Oct 04, 2023 at 03:09:42PM -0700, Fan Wu wrote:
> +#ifdef CONFIG_FS_VERITY_BUILTIN_SIGNATURES
> +static int fsverity_inode_setsecurity(struct inode *inode,
> +				      struct fsverity_descriptor *desc)
> +{
> +	return security_inode_setsecurity(inode, FS_VERITY_INODE_SEC_NAME,
> +					  desc->signature,
> +					  le32_to_cpu(desc->sig_size), 0);
> +}

Why isn't the type of the second argument 'const struct fsverity_descriptor *'?

- Eric