On Tue, Jun 3, 2008 at 8:29 PM, Ivo van Doorn <ivdoorn@xxxxxxxxx> wrote:
> This fixes a "BUG: unable to handle kernel paging request"
> bug in rt73usb which was caused by killing the guardian_urb
> while it had never been allocated for rt73usb.
>
> Signed-off-by: Ivo van Doorn <IvDoorn@xxxxxxxxx>
Acked-by: Gábor Stefanik <netrolller.3d@xxxxxxxxx>
> ---
> drivers/net/wireless/rt2x00/rt2x00usb.c | 5 ++++-
> 1 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
> index 52d12fd..36a087a 100644
> --- a/drivers/net/wireless/rt2x00/rt2x00usb.c
> +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
> @@ -394,8 +394,11 @@ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev)
> }
>
> /*
> - * Kill guardian urb.
> + * Kill guardian urb (if required by driver).
> */
> + if (!test_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags))
> + return;
> +
> for (i = 0; i < rt2x00dev->bcn->limit; i++) {
> bcn_priv = rt2x00dev->bcn->entries[i].priv_data;
> if (bcn_priv->guardian_urb)
> --
> 1.5.5.3
>
> --
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