From: Igor Mitsyanko <igor.mitsyanko.os@xxxxxxxxxxxxx>
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 <igor.mitsyanko.os@xxxxxxxxxxxxx>
---
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 6711e7fb6926..63d274c3f2f7 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
