diff options
| -rw-r--r-- | net/mac80211/cfg.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index a8501f14b167..89a183c2327a 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -100,6 +100,9 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, if (ret) return ret; + if (netif_running(sdata->dev)) + return -EBUSY; + if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) ieee80211_sdata_set_mesh_id(sdata, params->mesh_id_len, |