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Disconnect before trying to switch to a different network 

Previously, when wpa_supplicant received bgscan results with a preferred
network, it connected to that network without disconnecting from the
previous one. This might result in an inconsistent state of upper
layers.

Fix this by disconnecting from the current AP before connecting to the
new one when the network profile changes and there is an existing
connection.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
This commit is contained in:
Ayala Beker 2015-12-10 12:56:05 +02:00 committed by Jouni Malinen
parent 706e11a485
commit 0e6a2cf282
1 changed files with 7 additions and 0 deletions
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7
wpa_supplicant/events.c
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@ -1574,6 +1574,13 @@ static int wpas_select_network_from_last_scan(struct wpa_supplicant *wpa_s,
return 0;
}
if (ssid != wpa_s->current_ssid &&
wpa_s->wpa_state >= WPA_AUTHENTICATING) {
wpa_s->own_disconnect_req = 1;
wpa_supplicant_deauthenticate(
wpa_s, WLAN_REASON_DEAUTH_LEAVING);
}
if (wpa_supplicant_connect(wpa_s, selected, ssid) < 0) {
wpa_dbg(wpa_s, MSG_DEBUG, "Connect failed");
return -1;