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Diffstat (limited to 'net/mac80211/main.c')
-rw-r--r--net/mac80211/main.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 76df5eabf26..6b7e92eaab4 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -219,18 +219,26 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
u32 changed)
{
struct ieee80211_local *local = sdata->local;
+ static const u8 zero[ETH_ALEN] = { 0 };
if (!changed)
return;
- if (sdata->vif.type == NL80211_IFTYPE_STATION)
- sdata->vif.bss_conf.bssid = sdata->u.mgd.bssid;
- else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ /*
+ * While not associated, claim a BSSID of all-zeroes
+ * so that drivers don't do any weird things with the
+ * BSSID at that time.
+ */
+ if (sdata->vif.bss_conf.assoc)
+ sdata->vif.bss_conf.bssid = sdata->u.mgd.bssid;
+ else
+ sdata->vif.bss_conf.bssid = zero;
+ } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
sdata->vif.bss_conf.bssid = sdata->u.ibss.bssid;
else if (sdata->vif.type == NL80211_IFTYPE_AP)
sdata->vif.bss_conf.bssid = sdata->dev->dev_addr;
else if (ieee80211_vif_is_mesh(&sdata->vif)) {
- static const u8 zero[ETH_ALEN] = { 0 };
sdata->vif.bss_conf.bssid = zero;
} else {
WARN_ON(1);