| --- a/net/wireless/nl80211.c | |
| +++ b/net/wireless/nl80211.c | |
| @@ -2258,7 +2258,7 @@ static int nl80211_valid_4addr(struct cf | |
| enum nl80211_iftype iftype) | |
| { | |
| if (!use_4addr) { | |
| - if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) | |
| + if (netdev && br_port_exists(netdev)) | |
| return -EBUSY; | |
| return 0; | |
| } |