diff --git a/src/ap/authsrv.c b/src/ap/authsrv.c
index bd1778e..f10e1b7 100644
--- a/src/ap/authsrv.c
+++ b/src/ap/authsrv.c
@@ -55,10 +55,11 @@
 {
 	const struct hostapd_eap_user *eap_user;
 	int i;
+	int rv = -1;
 
 	eap_user = hostapd_get_eap_user(ctx, identity, identity_len, phase2);
 	if (eap_user == NULL)
-		return -1;
+		goto out;
 
 	if (user == NULL)
 		return 0;
@@ -72,7 +73,7 @@
 	if (eap_user->password) {
 		user->password = os_malloc(eap_user->password_len);
 		if (user->password == NULL)
-			return -1;
+			goto out;
 		os_memcpy(user->password, eap_user->password,
 			  eap_user->password_len);
 		user->password_len = eap_user->password_len;
@@ -83,8 +84,13 @@
 	user->ttls_auth = eap_user->ttls_auth;
 	user->remediation = eap_user->remediation;
 	user->accept_attr = eap_user->accept_attr;
+	rv = 0;
 
-	return 0;
+out:
+	if (rv)
+		wpa_printf(MSG_DEBUG, "%s: Failed to find user", __func__);
+
+	return rv;
 }
 
 
diff --git a/src/ap/eap_user_db.c b/src/ap/eap_user_db.c
index 559d77f..082d0f5 100644
--- a/src/ap/eap_user_db.c
+++ b/src/ap/eap_user_db.c
@@ -138,8 +138,12 @@
 	char id_str[256], cmd[300];
 	size_t i;
 
-	if (identity_len >= sizeof(id_str))
+	if (identity_len >= sizeof(id_str)) {
+		wpa_printf(MSG_DEBUG, "%s: identity len too big: %d >= %d",
+			   __func__, (int) identity_len,
+			   (int) (sizeof(id_str)));
 		return NULL;
+	}
 	os_memcpy(id_str, identity, identity_len);
 	id_str[identity_len] = '\0';
 	for (i = 0; i < identity_len; i++) {
@@ -182,7 +186,9 @@
 	wpa_printf(MSG_DEBUG, "DB: %s", cmd);
 	if (sqlite3_exec(db, cmd, get_user_cb, &hapd->tmp_eap_user, NULL) !=
 	    SQLITE_OK) {
-		wpa_printf(MSG_DEBUG, "DB: Failed to complete SQL operation");
+		wpa_printf(MSG_DEBUG,
+			   "DB: Failed to complete SQL operation: %s  db: %s",
+			   sqlite3_errmsg(db), hapd->conf->eap_user_sqlite);
 	} else if (hapd->tmp_eap_user.next)
 		user = &hapd->tmp_eap_user;
 
@@ -192,8 +198,10 @@
 		wpa_printf(MSG_DEBUG, "DB: %s", cmd);
 		if (sqlite3_exec(db, cmd, get_wildcard_cb, &hapd->tmp_eap_user,
 				 NULL) != SQLITE_OK) {
-			wpa_printf(MSG_DEBUG, "DB: Failed to complete SQL "
-				   "operation");
+			wpa_printf(MSG_DEBUG,
+				   "DB: Failed to complete SQL operation: %s  db: %s",
+				   sqlite3_errmsg(db),
+				   hapd->conf->eap_user_sqlite);
 		} else if (hapd->tmp_eap_user.next) {
 			user = &hapd->tmp_eap_user;
 			os_free(user->identity);
diff --git a/src/ap/hw_features.h b/src/ap/hw_features.h
index 0f67ab8..ca7f22b 100644
--- a/src/ap/hw_features.h
+++ b/src/ap/hw_features.h
@@ -36,6 +36,11 @@
 	return -1;
 }
 
+static inline int hostapd_acs_completed(struct hostapd_iface *iface, int err)
+{
+	return -1;
+}
+
 static inline int hostapd_select_hw_mode(struct hostapd_iface *iface)
 {
 	return -100;
diff --git a/src/ap/ieee802_11_ht.c b/src/ap/ieee802_11_ht.c
index 4b0653d..15edbe9 100644
--- a/src/ap/ieee802_11_ht.c
+++ b/src/ap/ieee802_11_ht.c
@@ -312,10 +312,14 @@
 u16 copy_sta_ht_capab(struct hostapd_data *hapd, struct sta_info *sta,
 		      const u8 *ht_capab, size_t ht_capab_len)
 {
-	/* Disable HT caps for STAs associated to no-HT BSSes. */
+	/*
+	 * Disable HT caps for STAs associated to no-HT BSSes, or for stations
+	 * that did not specify a valid WMM IE in the (Re)Association Request
+	 * frame.
+	 */
 	if (!ht_capab ||
 	    ht_capab_len < sizeof(struct ieee80211_ht_capabilities) ||
-	    hapd->conf->disable_11n) {
+	    !(sta->flags & WLAN_STA_WMM) || hapd->conf->disable_11n) {
 		sta->flags &= ~WLAN_STA_HT;
 		os_free(sta->ht_capabilities);
 		sta->ht_capabilities = NULL;
diff --git a/src/ap/ieee802_1x.c b/src/ap/ieee802_1x.c
index 79dc0f9..7e17ef4 100644
--- a/src/ap/ieee802_1x.c
+++ b/src/ap/ieee802_1x.c
@@ -1926,10 +1926,11 @@
 	struct hostapd_data *hapd = ctx;
 	const struct hostapd_eap_user *eap_user;
 	int i;
+	int rv = -1;
 
 	eap_user = hostapd_get_eap_user(hapd, identity, identity_len, phase2);
 	if (eap_user == NULL)
-		return -1;
+		goto out;
 
 	os_memset(user, 0, sizeof(*user));
 	user->phase2 = phase2;
@@ -1941,7 +1942,7 @@
 	if (eap_user->password) {
 		user->password = os_malloc(eap_user->password_len);
 		if (user->password == NULL)
-			return -1;
+			goto out;
 		os_memcpy(user->password, eap_user->password,
 			  eap_user->password_len);
 		user->password_len = eap_user->password_len;
@@ -1951,8 +1952,13 @@
 	user->macacl = eap_user->macacl;
 	user->ttls_auth = eap_user->ttls_auth;
 	user->remediation = eap_user->remediation;
+	rv = 0;
 
-	return 0;
+out:
+	if (rv)
+		wpa_printf(MSG_DEBUG, "%s: Failed to find user", __func__);
+
+	return rv;
 }