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-rw-r--r--drivers/usb/serial/console.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 8d7fc48b1f30..e56f394b58d8 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -140,6 +140,7 @@ static int usb_console_setup(struct console *co, char *options)
tty_port_tty_set(&port->port, tty);
tty->driver = usb_serial_tty_driver;
tty->index = co->index;
+ init_ldsem(&tty->ldisc_sem);
if (tty_init_termios(tty)) {
retval = -ENOMEM;
goto free_tty;