diff options
Diffstat (limited to 'net/mac80211/ibss.c')
| -rw-r--r-- | net/mac80211/ibss.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 9d0f6100942b..6db09fa18269 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -992,7 +992,7 @@ static void ieee80211_update_sta_info(struct ieee80211_sub_if_data *sdata, enum nl80211_band band = rx_status->band; enum nl80211_bss_scan_width scan_width; struct ieee80211_local *local = sdata->local; - struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; + struct ieee80211_supported_band *sband; bool rates_updated = false; u32 supp_rates = 0; @@ -1002,6 +1002,10 @@ static void ieee80211_update_sta_info(struct ieee80211_sub_if_data *sdata, if (!ether_addr_equal(mgmt->bssid, sdata->u.ibss.bssid)) return; + sband = local->hw.wiphy->bands[band]; + if (WARN_ON(!sband)) + return; + rcu_read_lock(); sta = sta_info_get(sdata, mgmt->sa); |