[PATCH 08/25] tty: n_gsm: Change return type to void

From: Jaejoong Kim
Date: Mon Sep 03 2018 - 22:45:39 EST


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@xxxxxxxxx>
---
drivers/tty/n_gsm.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 86b7e20..c52fa2d 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -2917,7 +2917,6 @@ static int gsmtty_install(struct tty_driver *driver, struct tty_struct *tty)
unsigned int line = tty->index;
unsigned int mux = line >> 6;
bool alloc = false;
- int ret;

line = line & 0x3F;

@@ -2949,14 +2948,8 @@ static int gsmtty_install(struct tty_driver *driver, struct tty_struct *tty)
mutex_unlock(&gsm->mutex);
return -ENOMEM;
}
- ret = tty_port_install(&dlci->port, driver, tty);
- if (ret) {
- if (alloc)
- dlci_put(dlci);
- mutex_unlock(&gsm->mutex);
- return ret;
- }

+ tty_port_install(&dlci->port, driver, tty);
dlci_get(dlci);
dlci_get(gsm->dlci[0]);
mux_get(gsm);
--
2.7.4