diff options
Diffstat (limited to 'drivers/char/pty.c')
| -rw-r--r-- | drivers/char/pty.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/char/pty.c b/drivers/char/pty.c index d083c73d784a..53761cefa915 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -109,27 +109,21 @@ static int pty_space(struct tty_struct *to) * the other side of the pty/tty pair. */ -static int pty_write(struct tty_struct *tty, const unsigned char *buf, - int count) +static int pty_write(struct tty_struct *tty, const unsigned char *buf, int c) { struct tty_struct *to = tty->link; - int c; if (tty->stopped) return 0; - /* This isn't locked but our 8K is quite sloppy so no - big deal */ - - c = pty_space(to); - if (c > count) - c = count; if (c > 0) { /* Stuff the data into the input queue of the other end */ c = tty_insert_flip_string(to, buf, c); /* And shovel */ - tty_flip_buffer_push(to); - tty_wakeup(tty); + if (c) { + tty_flip_buffer_push(to); + tty_wakeup(tty); + } } return c; } |