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nl80211: Update channel information after channel switch notification

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When channel switch happens, driver wrapper's internal channel
information needs to be updated so that the new frequency will be used
in operations using drv->assoc_freq. Previously, only bss->freq was
updated and the new frequency was also indicated in the EVENT_CH_SWITCH
event. This could potentially leave out couple of cases that use
drv->assoc_freq at least as a fallback mechanism for getting the current
operating frequency.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Peng Xu 2016-10-24 16:54:36 -07:00 committed by Jouni Malinen
parent 913c3e1e83
commit c2ad5b9218
1 changed files with 1 additions and 0 deletions
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src/drivers/driver_nl80211_event.c
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@ -518,6 +518,7 @@ static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
data.ch_switch.cf2 = nla_get_u32(cf2); data.ch_switch.cf2 = nla_get_u32(cf2);
bss->freq = data.ch_switch.freq; bss->freq = data.ch_switch.freq;
drv->assoc_freq = data.ch_switch.freq;
wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data); wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data);
} }