PWN-Hunter/android_kernel_xiaomi_sdm845
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pty: quickfix for the pty ENXIO timing problems

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This also makes close stall in the normal case which is apparently
needed to fix emacs

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox 2009-07-27 22:17:51 +01:00 committed by Linus Torvalds
parent f1462147f1
commit 3a54297478
1 changed files with 2 additions and 0 deletions
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2
drivers/char/pty.c
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@ -52,6 +52,7 @@ static void pty_close(struct tty_struct *tty, struct file *filp)
return; return;
tty->link->packet = 0; tty->link->packet = 0;
set_bit(TTY_OTHER_CLOSED, &tty->link->flags); set_bit(TTY_OTHER_CLOSED, &tty->link->flags);
tty_flip_buffer_push(tty->link);
wake_up_interruptible(&tty->link->read_wait); wake_up_interruptible(&tty->link->read_wait);
wake_up_interruptible(&tty->link->write_wait); wake_up_interruptible(&tty->link->write_wait);
if (tty->driver->subtype == PTY_TYPE_MASTER) { if (tty->driver->subtype == PTY_TYPE_MASTER) {
@ -207,6 +208,7 @@ static int pty_open(struct tty_struct *tty, struct file *filp)
clear_bit(TTY_OTHER_CLOSED, &tty->link->flags); clear_bit(TTY_OTHER_CLOSED, &tty->link->flags);
set_bit(TTY_THROTTLED, &tty->flags); set_bit(TTY_THROTTLED, &tty->flags);
retval = 0; retval = 0;
tty->low_latency = 1;
out: out:
return retval; return retval;
} }