diff options
Diffstat (limited to 'drivers/accessibility')
| -rw-r--r-- | drivers/accessibility/speakup/spk_ttyio.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/drivers/accessibility/speakup/spk_ttyio.c b/drivers/accessibility/speakup/spk_ttyio.c index adc1cdbae2be..4dbd24c506d6 100644 --- a/drivers/accessibility/speakup/spk_ttyio.c +++ b/drivers/accessibility/speakup/spk_ttyio.c @@ -225,27 +225,29 @@ void spk_ttyio_unregister_ldisc(void) static int spk_ttyio_out(struct spk_synth *in_synth, const char ch) { struct tty_struct *tty = in_synth->dev; + int ret; + + if (!in_synth->alive || !tty->ops->write) + return 0; - if (in_synth->alive && tty->ops->write) { - int ret = tty->ops->write(tty, &ch, 1); - - if (ret == 0) - /* No room */ - return 0; - if (ret < 0) { - pr_warn("%s: I/O error, deactivating speakup\n", - in_synth->long_name); - /* No synth any more, so nobody will restart TTYs, - * and we thus need to do it ourselves. Now that there - * is no synth we can let application flood anyway - */ - in_synth->alive = 0; - speakup_start_ttys(); - return 0; - } + ret = tty->ops->write(tty, &ch, 1); + + if (ret == 0) + /* No room */ + return 0; + + if (ret > 0) + /* Success */ return 1; - } + pr_warn("%s: I/O error, deactivating speakup\n", + in_synth->long_name); + /* No synth any more, so nobody will restart TTYs, + * and we thus need to do it ourselves. Now that there + * is no synth we can let application flood anyway + */ + in_synth->alive = 0; + speakup_start_ttys(); return 0; } |