4 files changed, 16 insertions, 6 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 645437cfc464..c14865172da7 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -616,6 +616,9 @@ int wiphy_register(struct wiphy *wiphy)
 	if (res)
 		goto out_rm_dev;
 
+	rtnl_lock();
+	rdev->wiphy.registered = true;
+	rtnl_unlock();
 	return 0;
 
 out_rm_dev:
@@ -647,6 +650,10 @@ void wiphy_unregister(struct wiphy *wiphy)
 {
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
 
+	rtnl_lock();
+	rdev->wiphy.registered = false;
+	rtnl_unlock();
+
 	rfkill_unregister(rdev->rfkill);
 
 	/* protect the device list */
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 28d2aa109bee..e83e7fee3bc0 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3464,7 +3464,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
 				    tmp) {
 			enum ieee80211_band band = nla_type(attr);
 
-			if (band < 0 || band > IEEE80211_NUM_BANDS) {
+			if (band < 0 || band >= IEEE80211_NUM_BANDS) {
 				err = -EINVAL;
 				goto out_free;
 			}
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 1ad0f39fe091..02751dbc5a97 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -903,7 +903,7 @@ static bool ignore_reg_update(struct wiphy *wiphy,
 	    initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
 	    !is_world_regdom(last_request->alpha2)) {
 		REG_DBG_PRINT("Ignoring regulatory request %s "
-			      "since the driver requires its own regulaotry "
+			      "since the driver requires its own regulatory "
 			      "domain to be set first",
 			      reg_initiator_name(initiator));
 		return true;
@@ -1125,12 +1125,13 @@ void wiphy_update_regulatory(struct wiphy *wiphy,
 	enum ieee80211_band band;
 
 	if (ignore_reg_update(wiphy, initiator))
-		goto out;
+		return;
+
 	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
 		if (wiphy->bands[band])
 			handle_band(wiphy, band, initiator);
 	}
-out:
+
 	reg_process_beacons(wiphy);
 	reg_process_ht_flags(wiphy);
 	if (wiphy->reg_notifier)
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index c6e4ca6a7d2e..ff574597a854 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -93,7 +93,8 @@ static int wiphy_suspend(struct device *dev, pm_message_t state)
 
 	if (rdev->ops->suspend) {
 		rtnl_lock();
-		ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan);
+		if (rdev->wiphy.registered)
+			ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan);
 		rtnl_unlock();
 	}
 
@@ -112,7 +113,8 @@ static int wiphy_resume(struct device *dev)
 
 	if (rdev->ops->resume) {
 		rtnl_lock();
-		ret = rdev->ops->resume(&rdev->wiphy);
+		if (rdev->wiphy.registered)
+			ret = rdev->ops->resume(&rdev->wiphy);
 		rtnl_unlock();
 	}