cfg80211: move all regulatory hints to workqueue

All regulatory hints (core, driver, userspace and 11d) are now processed in
a workqueue.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index b47cbe9..1e38242 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -1656,8 +1656,12 @@
 
 	error = ieee80211_register_hw(hw);
 
-	if (!ath9k_is_world_regd(sc->sc_ah))
-		regulatory_hint(hw->wiphy, sc->sc_ah->regulatory.alpha2);
+	if (!ath9k_is_world_regd(sc->sc_ah)) {
+		error = regulatory_hint(hw->wiphy,
+			sc->sc_ah->regulatory.alpha2);
+		if (error)
+			goto error_attach;
+	}
 
 	/* Initialize LED control */
 	ath_init_leds(sc);
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 7579af2..da9214e 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -170,10 +170,10 @@
 		goto disable_int;
 
 	r = zd_reg2alpha2(mac->regdomain, alpha2);
-	if (!r)
-		regulatory_hint(hw->wiphy, alpha2);
+	if (r)
+		goto disable_int;
 
-	r = 0;
+	r = regulatory_hint(hw->wiphy, alpha2);
 disable_int:
 	zd_chip_disable_int(chip);
 out: