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ACS: More consistent checking of the best channel pointer

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It looks like best might be NULL in some cases, so check for this
explicitly before trying to dereference it for a debug print.

Fixes: 733de85680 ("ACS: Fix not selecting the best channel in the segment")
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
This commit is contained in:
Jouni Malinen 2024-01-22 21:58:06 +02:00 committed by Jouni Malinen
parent 5d54bf6fb6
commit 348c047afd
1 changed files with 1 additions and 1 deletions
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2
src/ap/acs.c
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@ -963,7 +963,7 @@ acs_find_ideal_chan_mode(struct hostapd_iface *iface,
* crowded primary channel if one was found in the segment */
if (iface->current_mode &&
iface->current_mode->mode == HOSTAPD_MODE_IEEE80211A &&
chan != best) {
best && chan != best) {
wpa_printf(MSG_DEBUG,
"ACS: promoting channel %d over %d (less interference %Lg/%Lg)",
best->chan, chan->chan,