diff options
| -rw-r--r-- | drivers/tty/n_tty.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 05e72bea9b0..7fbad56db7c 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -189,21 +189,6 @@ static void put_tty_queue(unsigned char c, struct n_tty_data *ldata) } /** - * check_unthrottle - allow new receive data - * @tty; tty device - * - * Check whether to call the driver unthrottle functions - * - * Can sleep, may be called under the atomic_read_lock mutex but - * this is not guaranteed. - */ -static void check_unthrottle(struct tty_struct *tty) -{ - if (tty->count) - tty_unthrottle(tty); -} - -/** * reset_buffer_flags - reset buffer state * @tty: terminal to reset * @@ -1961,7 +1946,8 @@ do_it_again: */ if (n_tty_chars_in_buffer(tty) <= TTY_THRESHOLD_UNTHROTTLE) { n_tty_set_room(tty); - check_unthrottle(tty); + if (tty->count) + tty_unthrottle(tty); } if (b - buf >= minimum) |