diff options
| author | Alan Cox <alan@redhat.com> | 2009-01-02 14:47:20 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-02 19:19:40 +0100 |
| commit | 0ac6053c4db9369d7b0f9b39c30f4fb04405666b (patch) | |
| tree | e0dd9cb3dca0ace4cdeaad9f99f11448531e077d /drivers/char/pty.c | |
| parent | tty: N_TTY SIGIO only works for read (diff) | |
| download | linux-0ac6053c4db9369d7b0f9b39c30f4fb04405666b.tar.xz linux-0ac6053c4db9369d7b0f9b39c30f4fb04405666b.zip | |
tty: PTYs set TTY_DO_WRITE_WAKEUP when they don't need to
The write wakeup is done anyway for the poll while DO_WRITE_WAKUP is
cleared, set and managed by the ldisc layer and is no business of the pty
code.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/pty.c')
| -rw-r--r-- | drivers/char/pty.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/char/pty.c b/drivers/char/pty.c index b5daaaa9007e..112a6ba9a96f 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -5,8 +5,6 @@ * * Added support for a Unix98-style ptmx device. * -- C. Scott Ananian <cananian@alumni.princeton.edu>, 14-Jan-1998 - * Added TTY_DO_WRITE_WAKEUP to enable n_tty to send POLL_OUT to - * waiting writers -- Sapan Bhatia <sapan@corewars.org> * * When reading this code see also fs/devpts. In particular note that the * driver_data field is used by the devpts side as a binding to the devpts @@ -217,7 +215,6 @@ static int pty_open(struct tty_struct *tty, struct file *filp) clear_bit(TTY_OTHER_CLOSED, &tty->link->flags); set_bit(TTY_THROTTLED, &tty->flags); - set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); retval = 0; out: return retval; |