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Some misconfigured APs broadcast NULL BSSIDs, which can confuse the STA
Ignore those when scanning.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Index: madwifi-trunk-r3776/net80211/ieee80211_scan_sta.c
===================================================================
--- madwifi-trunk-r3776.orig/net80211/ieee80211_scan_sta.c 2008-07-17 04:02:41.000000000 +0200
+++ madwifi-trunk-r3776/net80211/ieee80211_scan_sta.c 2008-07-17 04:03:54.000000000 +0200
@@ -242,6 +242,10 @@
struct ieee80211_scan_entry *ise;
int hash;
+ /* workaround for broken APs that broadcast NULL BSSIDs */
+ if (memcmp(wh->i_addr3, "\x00\x00\x00\x00\x00\x00", 6) == 0)
+ return 0;
+
hash = STA_HASH(macaddr);
SCAN_STA_LOCK_IRQ(st);
LIST_FOREACH(se, &st->st_hash[hash], se_hash)
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