[PATCH] security: Use IS_ENABLED() instead of checking for built-in or module

[Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>]

The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either
built-in or as a module, use that macro instead of open coding the same.

Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
---

 security/lsm_audit.c             |  2 +-
 security/selinux/hooks.c         | 12 ++++++------
 security/smack/smack_netfilter.c |  4 ++--
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/security/lsm_audit.c b/security/lsm_audit.c
index cccbf3068cdc..5369036cf905 100644
--- a/security/lsm_audit.c
+++ b/security/lsm_audit.c
@@ -99,7 +99,7 @@ int ipv4_skb_to_auditdata(struct sk_buff *skb,
 	}
 	return ret;
 }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 /**
  * ipv6_skb_to_auditdata : fill auditdata from skb
  * @skb : the skb
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index ec30880c4b98..c20ea9fe9274 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3984,7 +3984,7 @@ out:
 	return ret;
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 
 /* Returns error only if unable to parse addresses */
 static int selinux_parse_skb_ipv6(struct sk_buff *skb,
@@ -4075,7 +4075,7 @@ static int selinux_parse_skb(struct sk_buff *skb, struct common_audit_data *ad,
 				       &ad->u.net->v4info.daddr);
 		goto okay;
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 	case PF_INET6:
 		ret = selinux_parse_skb_ipv6(skb, ad, proto);
 		if (ret)
@@ -5029,7 +5029,7 @@ static unsigned int selinux_ipv4_forward(void *priv,
 	return selinux_ip_forward(skb, state->in, PF_INET);
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 static unsigned int selinux_ipv6_forward(void *priv,
 					 struct sk_buff *skb,
 					 const struct nf_hook_state *state)
@@ -5087,7 +5087,7 @@ static unsigned int selinux_ipv4_output(void *priv,
 	return selinux_ip_output(skb, PF_INET);
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 static unsigned int selinux_ipv6_output(void *priv,
 					struct sk_buff *skb,
 					const struct nf_hook_state *state)
@@ -5273,7 +5273,7 @@ static unsigned int selinux_ipv4_postroute(void *priv,
 	return selinux_ip_postroute(skb, state->out, PF_INET);
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 static unsigned int selinux_ipv6_postroute(void *priv,
 					   struct sk_buff *skb,
 					   const struct nf_hook_state *state)
@@ -6317,7 +6317,7 @@ static struct nf_hook_ops selinux_nf_ops[] = {
 		.hooknum =	NF_INET_LOCAL_OUT,
 		.priority =	NF_IP_PRI_SELINUX_FIRST,
 	},
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 	{
 		.hook =		selinux_ipv6_postroute,
 		.pf =		NFPROTO_IPV6,
diff --git a/security/smack/smack_netfilter.c b/security/smack/smack_netfilter.c
index aa6bf1b22ec5..205b785fb400 100644
--- a/security/smack/smack_netfilter.c
+++ b/security/smack/smack_netfilter.c
@@ -20,7 +20,7 @@
 #include <net/inet_sock.h>
 #include "smack.h"
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 
 static unsigned int smack_ipv6_output(void *priv,
 					struct sk_buff *skb,
@@ -64,7 +64,7 @@ static struct nf_hook_ops smack_nf_ops[] = {
 		.hooknum =	NF_INET_LOCAL_OUT,
 		.priority =	NF_IP_PRI_SELINUX_FIRST,
 	},
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 	{
 		.hook =		smack_ipv6_output,
 		.pf =		NFPROTO_IPV6,
-- 
2.5.5

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