On Wed, 16 Nov 2005 21:55:05 +0200, Pekka Enberg wrote
> Yi, please consider applying the included patch.
>
> Pekka
>
> [PATCH] ipw2200: disallow direct scanning when device is down
>
> The function ipw_request_direct_scan() should bail out when the
> device is down. This patch fixes an lockup caused by wpa_supplicant
> triggering ipw_request_direct_scan() while the driver was in a
> middle of a reset due to firmware errors.
Hi,
A user at the ipw mailing list has also reported this same problem today.
Maybe this is a good idea to implement. Patch came in just on time ;-)
.Alejandro
>
> Thanks to Zilvinas Valinskas for reporting the bug and helping me
> debug it.
>
> Signed-off-by: Pekka Enberg <[email protected]>
> ---
>
> ipw2200.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> Index: 2.6/drivers/net/wireless/ipw2200.c
> ===================================================================
> --- 2.6.orig/drivers/net/wireless/ipw2200.c
> +++ 2.6/drivers/net/wireless/ipw2200.c
> @@ -8926,6 +8926,10 @@ static int ipw_request_direct_scan(struc
> struct ipw_scan_request_ext scan;
> int err = 0, scan_type;
>
> + if (!(priv->status & STATUS_INIT) ||
> + (priv->status & STATUS_EXIT_PENDING))
> + return 0;
> +
> down(&priv->sem);
>
> if (priv->status & STATUS_RF_KILL_MASK) {
-
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