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| author | Takashi Iwai <tiwai@suse.de> | 2014-02-20 07:50:32 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-02-20 07:50:32 +0100 |
| commit | f31f40be8f82d5eeb4ca084f9ac0f11ca265876b (patch) | |
| tree | 6fce9ac78045249084d641945e094dcaea72d265 /drivers/tty/n_tty.c | |
| parent | 13c12dbe3a2ce17227f7ddef652b6a53c78fa51f (diff) | |
| parent | 895be5b31e5175bef575008aadb4f0a27b850daa (diff) | |
Merge tag 'asoc-v3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.14
A few fixes, all driver speccific ones. The DaVinci ones aren't as
clear as they should be from the subject lines on the commits but they
fix issues which will prevent correct operation in some use cases and
only affect that particular driver so are reasonably safe.
Diffstat (limited to 'drivers/tty/n_tty.c')
| -rw-r--r-- | drivers/tty/n_tty.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index cb8017aa4434..d15624c1b751 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -817,8 +817,7 @@ static void process_echoes(struct tty_struct *tty) struct n_tty_data *ldata = tty->disc_data; size_t echoed; - if ((!L_ECHO(tty) && !L_ECHONL(tty)) || - ldata->echo_mark == ldata->echo_tail) + if (ldata->echo_mark == ldata->echo_tail) return; mutex_lock(&ldata->output_lock); @@ -1244,7 +1243,8 @@ n_tty_receive_signal_char(struct tty_struct *tty, int signal, unsigned char c) if (L_ECHO(tty)) { echo_char(c, tty); commit_echoes(tty); - } + } else + process_echoes(tty); isig(signal, tty); return; } @@ -1274,7 +1274,7 @@ n_tty_receive_char_special(struct tty_struct *tty, unsigned char c) if (I_IXON(tty)) { if (c == START_CHAR(tty)) { start_tty(tty); - commit_echoes(tty); + process_echoes(tty); return 0; } if (c == STOP_CHAR(tty)) { @@ -1820,8 +1820,10 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old) * 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) + if (!I_IXON(tty) && old && (old->c_iflag & IXON) && !tty->flow_stopped) { start_tty(tty); + process_echoes(tty); + } /* The termios change make the tty ready for I/O */ if (waitqueue_active(&tty->write_wait)) @@ -1896,7 +1898,7 @@ err: static inline int input_available_p(struct tty_struct *tty, int poll) { struct n_tty_data *ldata = tty->disc_data; - int amt = poll && !TIME_CHAR(tty) ? MIN_CHAR(tty) : 1; + int amt = poll && !TIME_CHAR(tty) && MIN_CHAR(tty) ? MIN_CHAR(tty) : 1; if (ldata->icanon && !L_EXTPROC(tty)) { if (ldata->canon_head != ldata->read_tail) |