wifi: mac80211: tighten locking check
When we remove a link that doesn't have a channel context, we don't really need the local->mtx locking. Tighten the check here. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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cdf0a0a80c
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@ -1991,10 +1991,11 @@ void ieee80211_link_release_channel(struct ieee80211_link_data *link)
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WARN_ON(sdata->dev && netif_carrier_ok(sdata->dev));
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lockdep_assert_held(&sdata->local->mtx);
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mutex_lock(&sdata->local->chanctx_mtx);
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__ieee80211_link_release_channel(link);
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if (rcu_access_pointer(link->conf->chanctx_conf)) {
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lockdep_assert_held(&sdata->local->mtx);
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__ieee80211_link_release_channel(link);
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}
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mutex_unlock(&sdata->local->chanctx_mtx);
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}
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