iwlagn: fix interface combinations

My patch to advertise interface combinations
worked by pure luck in the P2P case, but all
other cases are broken. This is due to a dumb
mistake in the code that checks what should
be advertised, fix that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 5d2bd88..6ad3376 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2533,11 +2533,11 @@
 
 	BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
 
-	if (hw->wiphy->interface_modes & NL80211_IFTYPE_P2P_CLIENT) {
+	if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) {
 		hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p;
 		hw->wiphy->n_iface_combinations =
 			ARRAY_SIZE(iwlagn_iface_combinations_p2p);
-	} else if (hw->wiphy->interface_modes & NL80211_IFTYPE_AP) {
+	} else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) {
 		hw->wiphy->iface_combinations = iwlagn_iface_combinations_dualmode;
 		hw->wiphy->n_iface_combinations =
 			ARRAY_SIZE(iwlagn_iface_combinations_dualmode);