linux-kernel - [PATCH 05/25] tty: hvc: hvc_console: Change return type to void

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Date:   Tue,  4 Sep 2018 11:44:31 +0900
From:   Jaejoong Kim <climbbb.kim@...il.com>
To:     linux-um@...ts.infradead.org, netdev@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-s390@...r.kernel.org,
        devel@...verdev.osuosl.org, greybus-dev@...ts.linaro.org,
        linuxppc-dev@...ts.ozlabs.org, linux-serial@...r.kernel.org,
        sparclinux@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>
Subject: [PATCH 05/25] tty: hvc: hvc_console: Change return type to void

Since tty_port_install() always returns 0, the return type has changed
to void. Now apply this and remove the obsolete error check.

Signed-off-by: Jaejoong Kim <climbbb.kim@...il.com>
---
 drivers/tty/hvc/hvc_console.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index 5414c4a..13fad62 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -329,7 +329,6 @@ static void hvc_unthrottle(struct tty_struct *tty)
 static int hvc_install(struct tty_driver *driver, struct tty_struct *tty)
 {
 	struct hvc_struct *hp;
-	int rc;
 
 	/* Auto increments kref reference if found. */
 	hp = hvc_get_by_index(tty->index);
@@ -337,11 +336,9 @@ static int hvc_install(struct tty_driver *driver, struct tty_struct *tty)
 		return -ENODEV;
 
 	tty->driver_data = hp;
+	tty_port_install(&hp->port, driver, tty);
 
-	rc = tty_port_install(&hp->port, driver, tty);
-	if (rc)
-		tty_port_put(&hp->port);
-	return rc;
+	return 0;
 }
 
 /*
-- 
2.7.4