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nl80211: Indicate interface up only for the main netdev

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ifname is checked for interface down event in commit
106fa1e97e ("nl80211: Indicate
interface-down event only for the main netdev"). Do the same for
interface up event to avoid unexpected notifications when the master
interface (e.g., a bridge interface) is set up while then WLAN interface
remains down.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Hu Wang 2018-06-26 10:56:29 +08:00 committed by Jouni Malinen
parent c809756f9f
commit 8a9950f7b6
1 changed files with 9 additions and 1 deletions
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10
src/drivers/driver_nl80211.c
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@ -1079,11 +1079,20 @@ static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
}
if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
namebuf[0] = '\0';
if (if_indextoname(ifi->ifi_index, namebuf) &&
linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
"event since interface %s is down",
namebuf);
return;
}
wpa_printf(MSG_DEBUG, "nl80211: Interface up (%s/%s)",
namebuf, ifname);
if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
wpa_printf(MSG_DEBUG,
"nl80211: Not the main interface (%s) - do not indicate interface up",
drv->first_bss->ifname);
} else if (if_nametoindex(drv->first_bss->ifname) == 0) {
wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
"event since interface %s does not exist",
@ -1096,7 +1105,6 @@ static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
/* Re-read MAC address as it may have changed */
nl80211_refresh_mac(drv, ifi->ifi_index, 0);
wpa_printf(MSG_DEBUG, "nl80211: Interface up");
drv->if_disabled = 0;
wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
NULL);