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-rw-r--r--drivers/tty/n_tty.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 0d3f715..d655416 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -204,9 +204,8 @@ static void put_tty_queue(unsigned char c, struct n_tty_data *ldata)
* Locking: tty_read_lock for read fields.
*/
-static void reset_buffer_flags(struct tty_struct *tty)
+static void reset_buffer_flags(struct n_tty_data *ldata)
{
- struct n_tty_data *ldata = tty->disc_data;
unsigned long flags;
raw_spin_lock_irqsave(&ldata->read_lock, flags);
@@ -219,7 +218,6 @@ static void reset_buffer_flags(struct tty_struct *tty)
ldata->canon_head = ldata->canon_data = ldata->erasing = 0;
bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE);
- n_tty_set_room(tty);
}
static void n_tty_packet_mode_flush(struct tty_struct *tty)
@@ -247,7 +245,8 @@ static void n_tty_packet_mode_flush(struct tty_struct *tty)
static void n_tty_flush_buffer(struct tty_struct *tty)
{
- reset_buffer_flags(tty);
+ reset_buffer_flags(tty->disc_data);
+ n_tty_set_room(tty);
if (tty->link)
n_tty_packet_mode_flush(tty);
@@ -1633,14 +1632,14 @@ static int n_tty_open(struct tty_struct *tty)
goto err_free_bufs;
tty->disc_data = ldata;
- /* indicate buffer work may resume */
- clear_bit(TTY_LDISC_HALTED, &tty->flags);
- reset_buffer_flags(tty);
- tty_unthrottle(tty);
+ reset_buffer_flags(tty->disc_data);
ldata->column = 0;
- n_tty_set_termios(tty, NULL);
tty->minimum_to_wake = 1;
tty->closing = 0;
+ /* indicate buffer work may resume */
+ clear_bit(TTY_LDISC_HALTED, &tty->flags);
+ n_tty_set_termios(tty, NULL);
+ tty_unthrottle(tty);
return 0;
err_free_bufs:
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