test_bit() is already atomic; drop mutex lock/unlock. Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx> --- drivers/tty/tty_io.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index cfcd849..2261c21 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -1345,9 +1345,7 @@ static int tty_reopen(struct tty_struct *tty) } tty->count++; - mutex_lock(&tty->ldisc_mutex); WARN_ON(!test_bit(TTY_LDISC, &tty->flags)); - mutex_unlock(&tty->ldisc_mutex); return 0; } -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
