diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 741e6c7edcb7..6842c3011a99 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1353,6 +1353,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 	hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
 	hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
 
+	if (!channels)
+		return -EINVAL;
 
 	local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) +
 				      sizeof(void *) * channels, GFP_KERNEL);