diff options
Diffstat (limited to 'net/mac80211/tx.c')
| -rw-r--r-- | net/mac80211/tx.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 38394c40f6ad..244c80d0c8fb 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -295,8 +295,12 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) struct ieee80211_sub_if_data *sdata; struct sta_info *sta; - read_lock(&local->sub_if_lock); - list_for_each_entry(sdata, &local->sub_if_list, list) { + /* + * virtual interfaces are protected by RCU + */ + rcu_read_lock(); + + list_for_each_entry_rcu(sdata, &local->interfaces, list) { struct ieee80211_if_ap *ap; if (sdata->dev == local->mdev || sdata->type != IEEE80211_IF_TYPE_AP) @@ -309,7 +313,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) } total += skb_queue_len(&ap->ps_bc_buf); } - read_unlock(&local->sub_if_lock); + rcu_read_unlock(); read_lock_bh(&local->sta_lock); list_for_each_entry(sta, &local->sta_list, list) { |