linux-kernel - [PATCH 14/44] net: caif: inline register

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Date:   Tue,  2 Mar 2021 07:21:44 +0100
From:   Jiri Slaby <jslaby@...e.cz>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiri Slaby <jslaby@...e.cz>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org
Subject: [PATCH 14/44] net: caif: inline register_ldisc

register_ldisc only calls tty_register_ldisc. Inline register_ldisc into
the only caller of register_ldisc, i.e. caif_ser_init. Now,
caif_ser_init is symmetric to caif_ser_exit in this regard.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org
---
 drivers/net/caif/caif_serial.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c
index 675c374b32ee..da6fffb4d5a8 100644
--- a/drivers/net/caif/caif_serial.c
+++ b/drivers/net/caif/caif_serial.c
@@ -389,18 +389,6 @@ static struct tty_ldisc_ops caif_ldisc = {
 	.write_wakeup =	ldisc_tx_wakeup
 };
 
-static int register_ldisc(void)
-{
-	int result;
-
-	result = tty_register_ldisc(N_CAIF, &caif_ldisc);
-	if (result < 0) {
-		pr_err("cannot register CAIF ldisc=%d err=%d\n", N_CAIF,
-			result);
-		return result;
-	}
-	return result;
-}
 static const struct net_device_ops netdev_ops = {
 	.ndo_open = caif_net_open,
 	.ndo_stop = caif_net_close,
@@ -443,7 +431,10 @@ static int __init caif_ser_init(void)
 {
 	int ret;
 
-	ret = register_ldisc();
+	ret = tty_register_ldisc(N_CAIF, &caif_ldisc);
+	if (ret < 0)
+		pr_err("cannot register CAIF ldisc=%d err=%d\n", N_CAIF, ret);
+
 	debugfsdir = debugfs_create_dir("caif_serial", NULL);
 	return ret;
 }
-- 
2.30.1