Commit 0ac6053c authored by Alan Cox's avatar Alan Cox Committed by Linus Torvalds

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
Signed-off-by: default avatarAlan Cox <>
Signed-off-by: default avatarLinus Torvalds <>
parent ff8cb0fd
......@@ -5,8 +5,6 @@
* Added support for a Unix98-style ptmx device.
* -- C. Scott Ananian <>, 14-Jan-1998
* Added TTY_DO_WRITE_WAKEUP to enable n_tty to send POLL_OUT to
* waiting writers -- Sapan Bhatia <>
* 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;
return retval;
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