From: Arik Nemtsov <arik@xxxxxxxxxx>
As the scan channels might need to change when the channel list has
been updated by the kernel.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@xxxxxxxxx>
---
wpa_supplicant/events.c | 22 +++++++++++++++-------
1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index 1058115..7ec04fb 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -3223,14 +3223,22 @@ static void wpa_supplicant_update_channel_list(
free_hw_features(ifs);
ifs->hw.modes = wpa_drv_get_hw_feature_data(
ifs, &ifs->hw.num_modes, &ifs->hw.flags);
- }
- /* Restart sched_scan with updated channel list */
- if (wpa_s->sched_scanning) {
- wpa_dbg(wpa_s, MSG_DEBUG,
- "Channel list changed restart sched scan.");
- wpa_supplicant_cancel_sched_scan(wpa_s);
- wpa_supplicant_req_scan(wpa_s, 0, 0);
+ /* Restart pno/sched_scan with updated channel list */
+ if (ifs->pno) {
+ wpas_stop_pno(ifs);
+ wpas_start_pno(ifs);
+ } else if (ifs->sched_scanning && !ifs->pno_sched_pending) {
+ /*
+ * simulate a timeout to restart it. reset the state
+ * to start from the beginning.
+ */
+ wpa_dbg(ifs, MSG_DEBUG,
+ "Channel list changed restart sched scan.");
+ ifs->sched_scan_timed_out = 1;
+ wpa_s->prev_sched_ssid = NULL;
+ wpa_supplicant_cancel_sched_scan(ifs);
+ }
}
wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DRIVER);
--
1.9.1
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