AcoSail/kernel_optimize_test
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tty: Remove redundant tty_wait_until_sent()

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tty_ioctl() already waits until sent.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2013-03-11 16:44:44 -04:00 committed by Greg Kroah-Hartman
parent 734de249fb
commit be3971166d
1 changed files with 0 additions and 9 deletions
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drivers/tty/tty_ldisc.c
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@ -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);
/*