Re: [PATCH] drivers:net:wireless: Add mutex locking for function, b43_op_beacon_set_time in main.c

From: RafaÅ MiÅecki
Date: Fri Nov 28 2014 - 17:41:03 EST


On 28 November 2014 at 23:16, Nicholas Krause <xerofoify@xxxxxxxxx> wrote:
> Adds needed mutex lockng of wl->mutex in order to prevent issues with separate threads executing on
> the b43_update_templates function call in the function, b43_op_beacon_set_time at the same time.

For all kind of kernel documentation / descriptions we try to fit 72
chars limit and we really try to avoid exceeding 80 chars.


> @@ -5094,8 +5094,9 @@ static int b43_op_beacon_set_tim(struct ieee80211_hw *hw,
> {
> struct b43_wl *wl = hw_to_b43_wl(hw);
>
> - /* FIXME: add locking */
> + mutex_lock(&wl->mutex);
> b43_update_templates(wl);
> + mutex_unlock(&wl->mutex);
>
> return 0;
> }

Does anyone remember why this simple solution wasn't implemented
earlier? Michael?

Nicholas: did you test it anyhow?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/