diff options
| author | James Morris <jmorris@namei.org> | 2011-04-19 21:32:41 +1000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-04-19 21:32:41 +1000 |
| commit | d4ab4e6a23f805abb8fc3cc34525eec3788aeca1 (patch) | |
| tree | eefd82c155bc27469a85667d759cd90facf4a6e3 /drivers/tty/n_tty.c | |
| parent | c0fa797ae6cd02ff87c0bfe0d509368a3b45640e (diff) | |
| parent | 96fd2d57b8252e16dfacf8941f7a74a6119197f5 (diff) | |
Merge branch 'master'; commit 'v2.6.39-rc3' into next
Diffstat (limited to 'drivers/tty/n_tty.c')
| -rw-r--r-- | drivers/tty/n_tty.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 428f4fe0b5f..0ad32888091 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -95,6 +95,7 @@ static void n_tty_set_room(struct tty_struct *tty) { /* tty->read_cnt is not read locked ? */ int left = N_TTY_BUF_SIZE - tty->read_cnt - 1; + int old_left; /* * If we are doing input canonicalization, and there are no @@ -104,7 +105,12 @@ static void n_tty_set_room(struct tty_struct *tty) */ if (left <= 0) left = tty->icanon && !tty->canon_data; + old_left = tty->receive_room; tty->receive_room = left; + + /* Did this open up the receive buffer? We may need to flip */ + if (left && !old_left) + schedule_work(&tty->buf.work); } static void put_tty_queue_nolock(unsigned char c, struct tty_struct *tty) |