From: Igor Mitsyanko <[email protected]> It is possible that regulatory notifier is called before MAC data was allocated. We need to verify that MAC data exists before trying to send a regulatory change event.
Signed-off-by: Igor Mitsyanko <[email protected]> --- drivers/net/wireless/quantenna/qtnfmac/cfg80211.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c index 7d6dc76c930a..eeffc7689455 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c +++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c @@ -802,6 +802,9 @@ static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy_in, continue; mac = bus->mac[mac_idx]; + if (!mac) + continue; + wiphy = priv_to_wiphy(mac); for (band = 0; band < NUM_NL80211_BANDS; ++band) { -- 2.11.0
