diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 10:42:53 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 10:42:53 +0900 |
| commit | 4993632218e2202d4f110c8e83ae819ca26e6845 (patch) | |
| tree | 0872195b8c09b03d54adaaaf4304d1285091b031 /drivers/tty/n_tty.c | |
| parent | 1c4e2d70afb132058bfe979f6854c1d0a732b556 (diff) | |
| parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) | |
Merge 3.10-rc3 into driver-core-next
We want the changes here.
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 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index d655416087b7..6c7fe90ad72d 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1573,6 +1573,14 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old) ldata->real_raw = 0; } n_tty_set_room(tty); + /* + * Fix tty hang when I_IXON(tty) is cleared, but the tty + * been stopped by STOP_CHAR(tty) before it. + */ + if (!I_IXON(tty) && old && (old->c_iflag & IXON) && !tty->flow_stopped) { + start_tty(tty); + } + /* The termios change make the tty ready for I/O */ wake_up_interruptible(&tty->write_wait); wake_up_interruptible(&tty->read_wait); |