diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c index d962637b8..88ec88bf1 100644 --- a/src/drivers/driver_nl80211.c +++ b/src/drivers/driver_nl80211.c @@ -1320,6 +1320,28 @@ static void wpa_driver_nl80211_event_rtm_newlink(void *ctx, "event since interface %s is marked " "removed", drv->first_bss->ifname); } else { + struct i802_bss *bss; + u8 addr[ETH_ALEN]; + + /* Re-read MAC address as it may have changed */ + bss = get_bss_ifindex(drv, ifi->ifi_index); + if (bss && + linux_get_ifhwaddr(drv->global->ioctl_sock, + bss->ifname, addr) < 0) { + wpa_printf(MSG_DEBUG, + "nl80211: %s: failed to re-read MAC address", + bss->ifname); + } else if (bss && + os_memcmp(addr, bss->addr, ETH_ALEN) != 0) { + wpa_printf(MSG_DEBUG, + "nl80211: Own MAC address on ifindex %d (%s) changed from " + MACSTR " to " MACSTR, + ifi->ifi_index, bss->ifname, + MAC2STR(bss->addr), + MAC2STR(addr)); + os_memcpy(bss->addr, addr, ETH_ALEN); + } + wpa_printf(MSG_DEBUG, "nl80211: Interface up"); drv->if_disabled = 0; wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,