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Diffstat (limited to 'net/mac80211/iface.c')
-rw-r--r--net/mac80211/iface.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 00e2238..ceef644 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1703,6 +1703,15 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
ASSERT_RTNL();
+ /*
+ * Close all AP_VLAN interfaces first, as otherwise they
+ * might be closed while the AP interface they belong to
+ * is closed, causing unregister_netdevice_many() to crash.
+ */
+ list_for_each_entry(sdata, &local->interfaces, list)
+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ dev_close(sdata->dev);
+
mutex_lock(&local->iflist_mtx);
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
list_del(&sdata->list);