[PATCH 5/8] l2tp: use IS_ENABLED() instead of checking for built-in or module

[Javier Martinez Canillas]

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.

Using the macro makes the code more readable by helping abstract away some
of the Kconfig built-in and module enable details.

Signed-off-by: Javier Martinez Canillas <jav...@osg.samsung.com>
---

 net/l2tp/l2tp_core.h | 2 +-
 net/l2tp/l2tp_eth.c  | 4 ++--
 net/l2tp/l2tp_ppp.c  | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h
index 5871537af387..2599af6378e4 100644
--- a/net/l2tp/l2tp_core.h
+++ b/net/l2tp/l2tp_core.h
@@ -139,7 +139,7 @@ struct l2tp_session {
        void (*session_close)(struct l2tp_session *session);
        void (*ref)(struct l2tp_session *session);
        void (*deref)(struct l2tp_session *session);
-#if defined(CONFIG_L2TP_DEBUGFS) || defined(CONFIG_L2TP_DEBUGFS_MODULE)
+#if IS_ENABLED(CONFIG_L2TP_DEBUGFS)
        void (*show)(struct seq_file *m, void *priv);
 #endif
        uint8_t                 priv[0];        /* private data */
diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index 57fc5a46ce06..ef2cd30ca06e 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -195,7 +195,7 @@ static void l2tp_eth_delete(struct l2tp_session *session)
        }
 }
 
-#if defined(CONFIG_L2TP_DEBUGFS) || defined(CONFIG_L2TP_DEBUGFS_MODULE)
+#if IS_ENABLED(CONFIG_L2TP_DEBUGFS)
 static void l2tp_eth_show(struct seq_file *m, void *arg)
 {
        struct l2tp_session *session = arg;
@@ -268,7 +268,7 @@ static int l2tp_eth_create(struct net *net, u32 tunnel_id, 
u32 session_id, u32 p
        priv->tunnel_sock = tunnel->sock;
        session->recv_skb = l2tp_eth_dev_recv;
        session->session_close = l2tp_eth_delete;
-#if defined(CONFIG_L2TP_DEBUGFS) || defined(CONFIG_L2TP_DEBUGFS_MODULE)
+#if IS_ENABLED(CONFIG_L2TP_DEBUGFS)
        session->show = l2tp_eth_show;
 #endif
 
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 34eff77982cf..41d47bfda15c 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -552,7 +552,7 @@ out:
        return error;
 }
 
-#if defined(CONFIG_L2TP_DEBUGFS) || defined(CONFIG_L2TP_DEBUGFS_MODULE)
+#if IS_ENABLED(CONFIG_L2TP_DEBUGFS)
 static void pppol2tp_show(struct seq_file *m, void *arg)
 {
        struct l2tp_session *session = arg;
@@ -723,7 +723,7 @@ static int pppol2tp_connect(struct socket *sock, struct 
sockaddr *uservaddr,
 
        session->recv_skb       = pppol2tp_recv;
        session->session_close  = pppol2tp_session_close;
-#if defined(CONFIG_L2TP_DEBUGFS) || defined(CONFIG_L2TP_DEBUGFS_MODULE)
+#if IS_ENABLED(CONFIG_L2TP_DEBUGFS)
        session->show           = pppol2tp_show;
 #endif
 
-- 
2.7.4