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hso serial throttled tty kref fix. 

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>
This commit is contained in:
Denis Joseph Barrow 2009-01-15 13:31:34 +00:00 committed by Linus Torvalds
parent d45eb81c3e
commit 5839b414f9
1 changed files with 3 additions and 1 deletions
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4
drivers/net/usb/hso.c
View 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,