On Tue, 2013-09-17 at 08:48 +0300, Emmanuel Grumbach wrote:
> __ieee80211_scan_completed is called from a worker. This
> means that the following flow is possible.
>
> * driver calls ieee80211_scan_completed
> * mac80211 cancels the scan (that is already complete)
> * __ieee80211_scan_complete runs
>
> When scan_work will finally run, it will see that the scan
> hasn't been aborted and might even trigger another scan on
> another band. This leads to a situation where cfg80211's
> scan is not done and no further scan can be issued.
>
> Fix this by setting a new flag when a HW scan is being
> cancelled so that no other scan will be triggered.
I'll apply this
> + if (local->ops->cancel_hw_scan) {
> drv_cancel_hw_scan(local,
> rcu_dereference_protected(local->scan_sdata,
> lockdep_is_held(&local->mtx)));
> + }
WIthout the extra braces.
johannes
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