We have a function to test and clear a bit in one step, so use it.
Signed-off-by: George Spelvin <linux@xxxxxxxxxxx>
---
drivers/tty/tty_ldisc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index c578229..4606ab9 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -453,8 +453,7 @@ static int tty_ldisc_open(struct tty_struct *tty, struct tty_ldisc *ld)
static void tty_ldisc_close(struct tty_struct *tty, struct tty_ldisc *ld)
{
- WARN_ON(!test_bit(TTY_LDISC_OPEN, &tty->flags));
- clear_bit(TTY_LDISC_OPEN, &tty->flags);
+ WARN_ON(!test_and_clear_bit(TTY_LDISC_OPEN, &tty->flags));
if (ld->ops->close)
ld->ops->close(tty);
}
--
1.8.1.3
--
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