diff options
Diffstat (limited to 'drivers/tty/serial/serial_core.c')
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 53e490e47560..623d6bd911d7 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -925,8 +925,7 @@ static int uart_tiocmget(struct tty_struct *tty) } static int -uart_tiocmset(struct tty_struct *tty, struct file *file, - unsigned int set, unsigned int clear) +uart_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear) { struct uart_state *state = tty->driver_data; struct uart_port *uport = state->uart_port; @@ -934,8 +933,7 @@ uart_tiocmset(struct tty_struct *tty, struct file *file, int ret = -EIO; mutex_lock(&port->mutex); - if ((!file || !tty_hung_up_p(file)) && - !(tty->flags & (1 << TTY_IO_ERROR))) { + if (!(tty->flags & (1 << TTY_IO_ERROR))) { uart_update_mctrl(uport, set, clear); ret = 0; } |