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authorAlan Cox <alan@redhat.com>2009-01-02 13:47:20 +0000
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-02 10:19:40 -0800
commit0ac6053c4db9369d7b0f9b39c30f4fb04405666b (patch)
treee0dd9cb3dca0ace4cdeaad9f99f11448531e077d
parentff8cb0fd6f195389aefe55d5dac9927d09a9de54 (diff)
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>
-rw-r--r--drivers/char/pty.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/char/pty.c b/drivers/char/pty.c
index b5daaaa9007..112a6ba9a96 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;