wireless: check for dangling wdev->current_bss pointer
If it *is* still set when the netdev is being deleted, then we are about to leak a pointer. Warn and clean up in that case. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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@ -934,6 +934,12 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
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* freed.
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*/
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cfg80211_process_wdev_events(wdev);
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if (WARN_ON(wdev->current_bss)) {
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cfg80211_unhold_bss(wdev->current_bss);
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cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub);
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wdev->current_bss = NULL;
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}
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break;
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case NETDEV_PRE_UP:
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if (!(wdev->wiphy->interface_modes & BIT(wdev->iftype)))
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