2017-08-26 10:47:47

by Arvind Yadav

[permalink] [raw]
Subject: [PATCH] selinux: constify nf_hook_ops

nf_hook_ops are not supposed to change at runtime. nf_register_net_hooks
and nf_unregister_net_hooks are working with const nf_hook_ops.
So mark the non-const nf_hook_ops structs as const.

Signed-off-by: Arvind Yadav <[email protected]>
---
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 33fd061..2f2e133 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -6530,7 +6530,7 @@ security_initcall(selinux_init);

#if defined(CONFIG_NETFILTER)

-static struct nf_hook_ops selinux_nf_ops[] = {
+static const struct nf_hook_ops selinux_nf_ops[] = {
{
.hook = selinux_ipv4_postroute,
.pf = NFPROTO_IPV4,
--
2.7.4


2017-08-28 21:34:35

by Paul Moore

[permalink] [raw]
Subject: Re: [PATCH] selinux: constify nf_hook_ops

On Sat, Aug 26, 2017 at 6:47 AM, Arvind Yadav <[email protected]> wrote:
> nf_hook_ops are not supposed to change at runtime. nf_register_net_hooks
> and nf_unregister_net_hooks are working with const nf_hook_ops.
> So mark the non-const nf_hook_ops structs as const.
>
> Signed-off-by: Arvind Yadav <[email protected]>
> ---
> security/selinux/hooks.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Merged, thanks.

> diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
> index 33fd061..2f2e133 100644
> --- a/security/selinux/hooks.c
> +++ b/security/selinux/hooks.c
> @@ -6530,7 +6530,7 @@ security_initcall(selinux_init);
>
> #if defined(CONFIG_NETFILTER)
>
> -static struct nf_hook_ops selinux_nf_ops[] = {
> +static const struct nf_hook_ops selinux_nf_ops[] = {
> {
> .hook = selinux_ipv4_postroute,
> .pf = NFPROTO_IPV4,
> --
> 2.7.4

--
paul moore
http://www.paul-moore.com