hso serial throttled tty kref fix.
Denis Joseph Barrow [Thu, 15 Jan 2009 13:31:34 +0000 (13:31 +0000)]
This patch is for Alan Cox as it related to the tty layer.
Hopefully the hso driver is again relatively stable with this fix.

Signed-off-by: Denis Joseph Barrow <D.Barow@option.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/net/usb/hso.c

index e25a58f..6478bf6 100644 (file)
@@ -2053,8 +2053,10 @@ static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial)
                        serial->curr_rx_urb_offset;
                D1("data to push to tty");
                while (write_length_remaining) {
-                       if (test_bit(TTY_THROTTLED, &tty->flags))
+                       if (test_bit(TTY_THROTTLED, &tty->flags)) {
+                               tty_kref_put(tty);
                                return -1;
+                       }
                        curr_write_len =  tty_insert_flip_string
                                (tty, urb->transfer_buffer +
                                 serial->curr_rx_urb_offset,