linux-kernel - [PATCH 25/25] usb: usb-serial: Change return type to void

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Message-Id: <1536029091-4426-26-git-send-email-climbbb.kim@gmail.com>
Date:   Tue,  4 Sep 2018 11:44:51 +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 25/25] usb: usb-serial: Change return type to void

Since tty_standard_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/usb/serial/usb-serial.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index f7aaa7f..5cfc2ca 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -192,9 +192,7 @@ static int serial_install(struct tty_driver *driver, struct tty_struct *tty)
 	if (retval)
 		goto error_get_interface;
 
-	retval = tty_standard_install(driver, tty);
-	if (retval)
-		goto error_init_termios;
+	tty_standard_install(driver, tty);
 
 	mutex_unlock(&serial->disc_mutex);
 
@@ -206,8 +204,6 @@ static int serial_install(struct tty_driver *driver, struct tty_struct *tty)
 
 	return retval;
 
- error_init_termios:
-	usb_autopm_put_interface(serial->interface);
  error_get_interface:
 	module_put(serial->type->driver.owner);
  error_module_get:
-- 
2.7.4