diff options
| -rw-r--r-- | net/mac80211/chan.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 92fe40539091..5ab210706123 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -1991,10 +1991,11 @@ void ieee80211_link_release_channel(struct ieee80211_link_data *link) WARN_ON(sdata->dev && netif_carrier_ok(sdata->dev)); - lockdep_assert_held(&sdata->local->mtx); - mutex_lock(&sdata->local->chanctx_mtx); - __ieee80211_link_release_channel(link); + if (rcu_access_pointer(link->conf->chanctx_conf)) { + lockdep_assert_held(&sdata->local->mtx); + __ieee80211_link_release_channel(link); + } mutex_unlock(&sdata->local->chanctx_mtx); } |