[PATCH 21/25] staging: greybus: uart: Change return type to void

[Jaejoong Kim <climbbb.kim@xxxxxxxxx>]

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@xxxxxxxxx>
---
 drivers/staging/greybus/uart.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c
index 8a00632..182155b 100644
--- a/drivers/staging/greybus/uart.c
+++ b/drivers/staging/greybus/uart.c
@@ -393,21 +393,15 @@ static void release_minor(struct gb_tty *gb_tty)
 static int gb_tty_install(struct tty_driver *driver, struct tty_struct *tty)
 {
 	struct gb_tty *gb_tty;
-	int retval;
 
 	gb_tty = get_gb_by_minor(tty->index);
 	if (!gb_tty)
 		return -ENODEV;
 
-	retval = tty_standard_install(driver, tty);
-	if (retval)
-		goto error;
-
+	tty_standard_install(driver, tty);
 	tty->driver_data = gb_tty;
+
 	return 0;
-error:
-	tty_port_put(&gb_tty->port);
-	return retval;
 }
 
 static int gb_tty_open(struct tty_struct *tty, struct file *file)
-- 
2.7.4