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hso serial throttled tty kref fix.

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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,