diff options
Diffstat (limited to 'net/mac80211/cfg.c')
| -rw-r--r-- | net/mac80211/cfg.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 1b78a2ae7a83..4aaead4895b7 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -4862,11 +4862,16 @@ static int ieee80211_add_intf_link(struct wiphy *wiphy, unsigned int link_id) { struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); + int res; if (wdev->use_4addr) return -EOPNOTSUPP; - return ieee80211_vif_set_links(sdata, wdev->valid_links); + mutex_lock(&sdata->local->mtx); + res = ieee80211_vif_set_links(sdata, wdev->valid_links); + mutex_unlock(&sdata->local->mtx); + + return res; } static void ieee80211_del_intf_link(struct wiphy *wiphy, @@ -4875,7 +4880,9 @@ static void ieee80211_del_intf_link(struct wiphy *wiphy, { struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); + mutex_lock(&sdata->local->mtx); ieee80211_vif_set_links(sdata, wdev->valid_links); + mutex_unlock(&sdata->local->mtx); } static int sta_add_link_station(struct ieee80211_local *local, |