diff options
| author | Peter Hurley <peter@hurleysoftware.com> | 2013-03-06 17:20:51 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-19 03:11:59 +0400 |
| commit | c828f679eed393d6925a2b44a4c3fb80a8d657cb (patch) | |
| tree | 64327118b7021ebb04db04a25ba97d7729019dfa /drivers/tty/n_tty.c | |
| parent | afa80ccb4c7d39702dfb0832ce02a054848191a8 (diff) | |
| download | linux-c828f679eed393d6925a2b44a4c3fb80a8d657cb.tar.xz | |
n_tty: Inline check_unthrottle() at lone call site
2-line function check_unthrottle() is now only called from
n_tty_read(); merge into caller.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/n_tty.c')
| -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 05e72bea9b07..7fbad56db7c9 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) |