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Verify center frequency seg0/seg1 mapping result before use

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Handle the center frequency to channel mapping more cleanly by skipping
the cases where the center frequencies are not set and verifying that
the mapping succeeds when they are set.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2024-01-14 20:21:26 +02:00
parent acea0654f0
commit 38719f113e
1 changed files with 8 additions and 4 deletions
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12
src/ap/hostapd.c
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@ -3907,10 +3907,14 @@ static int hostapd_change_config_freq(struct hostapd_data *hapd,
conf->ieee80211n = params->ht_enabled;
conf->ieee80211ac = params->vht_enabled;
conf->secondary_channel = params->sec_channel_offset;
ieee80211_freq_to_chan(params->center_freq1,
&seg0);
ieee80211_freq_to_chan(params->center_freq2,
&seg1);
if (params->center_freq1 &&
ieee80211_freq_to_chan(params->center_freq1, &seg0) ==
NUM_HOSTAPD_MODES)
return -1;
if (params->center_freq2 &&
ieee80211_freq_to_chan(params->center_freq2,
&seg1) == NUM_HOSTAPD_MODES)
return -1;
hostapd_set_oper_centr_freq_seg0_idx(conf, seg0);
hostapd_set_oper_centr_freq_seg1_idx(conf, seg1);