Re: libertas: Add spinlock to avoid race condition

From: Kalle Valo
Date: Wed Jun 29 2016 - 11:47:37 EST


Pavel Andrianov <andrianov@xxxxxxxxx> 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@xxxxxxxxx>
> Tested-by: James Cameron <quozl@xxxxxxxxxx>
> Acked-by: Vaishali Thakkar <vaishali.thakkar@xxxxxxxxxx>

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

f52b041aed77 libertas: Add spinlock to avoid race condition

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https://patchwork.kernel.org/patch/9178477/