linux-kernel - [PATCH] tty_ldisc: simplify tty_ldisc

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Message-ID: <20190924083244.GA4344@amd>
Date:   Tue, 24 Sep 2019 10:32:44 +0200
From:   Pavel Machek <pavel@...x.de>
To:     kernel list <linux-kernel@...r.kernel.org>,
        gregkh@...uxfoundation.org, jslaby@...e.com
Subject: [PATCH] tty_ldisc: simplify tty_ldisc_autoload initialization

We have got existing macro to check for CONFIG option, use it.

Signed-off-by: Pavel Machek <pavel@...x.de>

diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 4c49f53..ec1f6a4 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -156,12 +156,7 @@ static void put_ldops(struct tty_ldisc_ops *ldops)
  *		takes tty_ldiscs_lock to guard against ldisc races
  */
 
-#if defined(CONFIG_LDISC_AUTOLOAD)
-	#define INITIAL_AUTOLOAD_STATE	1
-#else
-	#define INITIAL_AUTOLOAD_STATE	0
-#endif
-static int tty_ldisc_autoload = INITIAL_AUTOLOAD_STATE;
+static int tty_ldisc_autoload = IS_BUILTIN(CONFIG_LDISC_AUTOLOAD);
 
 static struct tty_ldisc *tty_ldisc_get(struct tty_struct *tty, int disc)
 {

-- 
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