Re: [patch] selinux: register nf hooks with single nf_register_hooks call

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On Wednesday, September 03, 2014 05:42:13 PM Jiri Pirko wrote:
> Push ipv4 and ipv6 nf hooks into single array and register/unregister
> them via single call.
> 
> Signed-off-by: Jiri Pirko <jiri@xxxxxxxxxxx>
> ---
>  security/selinux/hooks.c | 35 ++++++++++-------------------------
>  1 file changed, 10 insertions(+), 25 deletions(-)

Applied, thanks.

> diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
> index b0e9404..ed73809 100644
> --- a/security/selinux/hooks.c
> +++ b/security/selinux/hooks.c
> @@ -6035,7 +6035,7 @@ security_initcall(selinux_init);
> 
>  #if defined(CONFIG_NETFILTER)
> 
> -static struct nf_hook_ops selinux_ipv4_ops[] = {
> +static struct nf_hook_ops selinux_nf_ops[] = {
>  	{
>  		.hook =		selinux_ipv4_postroute,
>  		.owner =	THIS_MODULE,
> @@ -6056,12 +6056,8 @@ static struct nf_hook_ops selinux_ipv4_ops[] = {
>  		.pf =		NFPROTO_IPV4,
>  		.hooknum =	NF_INET_LOCAL_OUT,
>  		.priority =	NF_IP_PRI_SELINUX_FIRST,
> -	}
> -};
> -
> +	},
>  #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
> -
> -static struct nf_hook_ops selinux_ipv6_ops[] = {
>  	{
>  		.hook =		selinux_ipv6_postroute,
>  		.owner =	THIS_MODULE,
> @@ -6075,32 +6071,24 @@ static struct nf_hook_ops selinux_ipv6_ops[] = {
>  		.pf =		NFPROTO_IPV6,
>  		.hooknum =	NF_INET_FORWARD,
>  		.priority =	NF_IP6_PRI_SELINUX_FIRST,
> -	}
> -};
> -
> +	},
>  #endif	/* IPV6 */
> +};
> 
>  static int __init selinux_nf_ip_init(void)
>  {
> -	int err = 0;
> +	int err;
> 
>  	if (!selinux_enabled)
> -		goto out;
> +		return 0;
> 
>  	printk(KERN_DEBUG "SELinux:  Registering netfilter hooks\n");
> 
> -	err = nf_register_hooks(selinux_ipv4_ops, ARRAY_SIZE(selinux_ipv4_ops));
> -	if (err)
> -		panic("SELinux: nf_register_hooks for IPv4: error %d\n", err);
> -
> -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
> -	err = nf_register_hooks(selinux_ipv6_ops, ARRAY_SIZE(selinux_ipv6_ops));
> +	err = nf_register_hooks(selinux_nf_ops, ARRAY_SIZE(selinux_nf_ops));
>  	if (err)
> -		panic("SELinux: nf_register_hooks for IPv6: error %d\n", err);
> -#endif	/* IPV6 */
> +		panic("SELinux: nf_register_hooks: error %d\n", err);
> 
> -out:
> -	return err;
> +	return 0;
>  }
> 
>  __initcall(selinux_nf_ip_init);
> @@ -6110,10 +6098,7 @@ static void selinux_nf_ip_exit(void)
>  {
>  	printk(KERN_DEBUG "SELinux:  Unregistering netfilter hooks\n");
> 
> -	nf_unregister_hooks(selinux_ipv4_ops, ARRAY_SIZE(selinux_ipv4_ops));
> -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
> -	nf_unregister_hooks(selinux_ipv6_ops, ARRAY_SIZE(selinux_ipv6_ops));
> -#endif	/* IPV6 */
> +	nf_unregister_hooks(selinux_nf_ops, ARRAY_SIZE(selinux_nf_ops));
>  }
>  #endif

-- 
paul moore
www.paul-moore.com

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