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    Subject[PATCH v4 24/32] tty: Remove redundant tty_wait_until_sent()
    Date
    tty_ioctl() already waits until sent.

    Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
    ---
    drivers/tty/tty_ldisc.c | 9 ---------
    1 file changed, 9 deletions(-)

    diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
    index 4e46c17..1afe192 100644
    --- a/drivers/tty/tty_ldisc.c
    +++ b/drivers/tty/tty_ldisc.c
    @@ -625,15 +625,6 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc)
    return 0;
    }

    - tty_unlock(tty);
    - /*
    - * Problem: What do we do if this blocks ?
    - * We could deadlock here
    - */
    -
    - tty_wait_until_sent(tty, 0);
    -
    - tty_lock(tty);
    mutex_lock(&tty->ldisc_mutex);

    /*
    --
    1.8.1.2


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