linux-kernel - Re: [PATCH 2/5] selinux: remove pointless cast in selinux_inode

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Message-ID: <560AD3AF.3060304@tycho.nsa.gov>
Date:	Tue, 29 Sep 2015 14:08:47 -0400
From:	Stephen Smalley <sds@...ho.nsa.gov>
To:	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Paul Moore <paul@...l-moore.com>,
	Eric Paris <eparis@...isplace.org>,
	James Morris <james.l.morris@...cle.com>,
	"Serge E. Hallyn" <serge@...lyn.com>
Cc:	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, selinux@...ho.nsa.gov
Subject: Re: [PATCH 2/5] selinux: remove pointless cast in
 selinux_inode_setsecurity()

On 09/25/2015 06:34 PM, Rasmus Villemoes wrote:
> security_context_to_sid() expects a const char* argument, so there's
> no point in casting away the const qualifier of value.
>
> Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>

Acked-by:  Stephen Smalley <sds@...ho.nsa.gov>

> ---
>   security/selinux/hooks.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
> index fd50cd5ac2ec..5edb57df86f8 100644
> --- a/security/selinux/hooks.c
> +++ b/security/selinux/hooks.c
> @@ -3162,7 +3162,7 @@ static int selinux_inode_setsecurity(struct inode *inode, const char *name,
>   	if (!value || !size)
>   		return -EACCES;
>
> -	rc = security_context_to_sid((void *)value, size, &newsid, GFP_KERNEL);
> +	rc = security_context_to_sid(value, size, &newsid, GFP_KERNEL);
>   	if (rc)
>   		return rc;
>
>

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