libertas: Add spinlock to avoid race condition

[Kalle Valo]

Pavel Andrianov <andrianov at ispras.ru> wrote:
> lbs_mac_event_disconnected may free priv->currenttxskb
> while lbs_hard_start_xmit accesses to it.
> The patch adds a spinlock for mutual exclusion.
> 
> Tested on OLPC XO-1 (usb8388) and XO-1.5 (sd8686) with v4.7-rc3.
> 
> Confirmed that lbs_mac_event_disconnected is being called on the
> station when hostapd on access point is given SIGHUP.
> 
> Signed-off-by: Pavel <andrianov at ispras.ru>
> Tested-by: James Cameron <quozl at laptop.org>
> Acked-by: Vaishali Thakkar <vaishali.thakkar at oracle.com>

Thanks, 1 patch applied to wireless-drivers-next.git:

f52b041aed77 libertas: Add spinlock to avoid race condition

-- 
Sent by pwcli
https://patchwork.kernel.org/patch/9178477/