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path: root/drivers/char/nozomi.c
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Diffstat (limited to 'drivers/char/nozomi.c')
-rw-r--r--drivers/char/nozomi.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c
index 18af923093c3..817169cbb245 100644
--- a/drivers/char/nozomi.c
+++ b/drivers/char/nozomi.c
@@ -1743,8 +1743,7 @@ static int ntty_write_room(struct tty_struct *tty)
if (dc) {
mutex_lock(&port->tty_sem);
if (port->port.count)
- room = port->fifo_ul.size -
- kfifo_len(&port->fifo_ul);
+ room = kfifo_avail(&port->fifo_ul);
mutex_unlock(&port->tty_sem);
}
return room;