netfilter: selinux: switch hook PFs to nfproto

This patch is a cleanup. Use NFPROTO_* for consistency with other
netfilter code.

Signed-off-by: Alban Crequy <alban.crequy@collabora.co.uk>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Vincent Sanders <vincent.sanders@collabora.co.uk>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

security/selinux/hooks.c

@@ -5763,21 +5763,21 @@ static struct nf_hook_ops selinux_ipv4_ops[] = {
 	{
 		.hook =		selinux_ipv4_postroute,
 		.owner =	THIS_MODULE,
-		.pf =		PF_INET,
+		.pf =		NFPROTO_IPV4,
 		.hooknum =	NF_INET_POST_ROUTING,
 		.priority =	NF_IP_PRI_SELINUX_LAST,
 	},
 	{
 		.hook =		selinux_ipv4_forward,
 		.owner =	THIS_MODULE,
-		.pf =		PF_INET,
+		.pf =		NFPROTO_IPV4,
 		.hooknum =	NF_INET_FORWARD,
 		.priority =	NF_IP_PRI_SELINUX_FIRST,
 	},
 	{
 		.hook =		selinux_ipv4_output,
 		.owner =	THIS_MODULE,
-		.pf =		PF_INET,
+		.pf =		NFPROTO_IPV4,
 		.hooknum =	NF_INET_LOCAL_OUT,
 		.priority =	NF_IP_PRI_SELINUX_FIRST,
 	}
@@ -5789,14 +5789,14 @@ static struct nf_hook_ops selinux_ipv6_ops[] = {
 	{
 		.hook =		selinux_ipv6_postroute,
 		.owner =	THIS_MODULE,
-		.pf =		PF_INET6,
+		.pf =		NFPROTO_IPV6,
 		.hooknum =	NF_INET_POST_ROUTING,
 		.priority =	NF_IP6_PRI_SELINUX_LAST,
 	},
 	{
 		.hook =		selinux_ipv6_forward,
 		.owner =	THIS_MODULE,
-		.pf =		PF_INET6,
+		.pf =		NFPROTO_IPV6,
 		.hooknum =	NF_INET_FORWARD,
 		.priority =	NF_IP6_PRI_SELINUX_FIRST,
 	}