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| author | James Bottomley <JBottomley@Parallels.com> | 2013-06-26 23:08:22 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-06-26 23:08:22 -0700 |
| commit | a9e94ec3504ead4b87a929bc57f5aa99a6590437 (patch) | |
| tree | b6e7aaec0e844dc066e93296a85e5769542ef525 /drivers/tty/n_tty.c | |
| parent | 36a279686bc02d340eb213a9f2a0b67e50de64b4 (diff) | |
| parent | 2884d4230867c8a46cf701214051e923301e7429 (diff) | |
| download | linux-a9e94ec3504ead4b87a929bc57f5aa99a6590437.tar.bz2 | |
Merge tag 'fcoe1' into fixes
This patch fixes a critical bug that was introduced in 3.9
related to VLAN tagging FCoE frames.
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); |