diff --git a/src/ap/drv_callbacks.c b/src/ap/drv_callbacks.c
index 7094bacc8..00bc49c1a 100644
--- a/src/ap/drv_callbacks.c
+++ b/src/ap/drv_callbacks.c
@@ -59,8 +59,8 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
 		 * running, so better make sure we stop processing such an
 		 * event here.
 		 */
-		wpa_printf(MSG_DEBUG, "hostapd_notif_assoc: Skip event with "
-			   "no address");
+		wpa_printf(MSG_DEBUG,
+			   "hostapd_notif_assoc: Skip event with no address");
 		return -1;
 	}
 	random_add_randomness(addr, ETH_ALEN);
@@ -90,8 +90,8 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
 	} else {
 		ie = NULL;
 		ielen = 0;
-		wpa_printf(MSG_DEBUG, "STA did not include WPS/RSN/WPA IE in "
-			   "(Re)AssocReq");
+		wpa_printf(MSG_DEBUG,
+			   "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
 	}
 
 	sta = ap_get_sta(hapd, addr);
@@ -168,9 +168,8 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
 		if (ie == NULL || ielen == 0) {
 #ifdef CONFIG_WPS
 			if (hapd->conf->wps_state) {
-				wpa_printf(MSG_DEBUG, "STA did not include "
-					   "WPA/RSN IE in (Re)Association "
-					   "Request - possible WPS use");
+				wpa_printf(MSG_DEBUG,
+					   "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
 				sta->flags |= WLAN_STA_MAYBE_WPS;
 				goto skip_wpa_check;
 			}
@@ -183,13 +182,14 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
 		if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
 		    os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
 			struct wpabuf *wps;
+
 			sta->flags |= WLAN_STA_WPS;
 			wps = ieee802_11_vendor_ie_concat(ie, ielen,
 							  WPS_IE_VENDOR_TYPE);
 			if (wps) {
 				if (wps_is_20(wps)) {
-					wpa_printf(MSG_DEBUG, "WPS: STA "
-						   "supports WPS 2.0");
+					wpa_printf(MSG_DEBUG,
+						   "WPS: STA supports WPS 2.0");
 					sta->flags |= WLAN_STA_WPS2;
 				}
 				wpabuf_free(wps);
@@ -203,16 +203,17 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
 							sta->addr,
 							p2p_dev_addr);
 		if (sta->wpa_sm == NULL) {
-			wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
-				   "machine");
+			wpa_printf(MSG_ERROR,
+				   "Failed to initialize WPA state machine");
 			return -1;
 		}
 		res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
 					  ie, ielen,
 					  elems.mdie, elems.mdie_len);
 		if (res != WPA_IE_OK) {
-			wpa_printf(MSG_DEBUG, "WPA/RSN information element "
-				   "rejected? (res %u)", res);
+			wpa_printf(MSG_DEBUG,
+				   "WPA/RSN information element rejected? (res %u)",
+				   res);
 			wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
 			if (res == WPA_INVALID_GROUP) {
 				reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
@@ -290,6 +291,7 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
 	} else if (hapd->conf->wps_state) {
 #ifdef CONFIG_WPS
 		struct wpabuf *wps;
+
 		if (req_ies)
 			wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
 							  WPS_IE_VENDOR_TYPE);
@@ -306,8 +308,8 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
 		if (wps) {
 			sta->flags |= WLAN_STA_WPS;
 			if (wps_is_20(wps)) {
-				wpa_printf(MSG_DEBUG, "WPS: STA supports "
-					   "WPS 2.0");
+				wpa_printf(MSG_DEBUG,
+					   "WPS: STA supports WPS 2.0");
 				sta->flags |= WLAN_STA_WPS2;
 			}
 		} else
@@ -329,8 +331,8 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
 			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
 							sta->addr, NULL);
 		if (sta->wpa_sm == NULL) {
-			wpa_printf(MSG_WARNING, "Failed to initialize WPA "
-				   "state machine");
+			wpa_printf(MSG_WARNING,
+				   "Failed to initialize WPA state machine");
 			return WLAN_STATUS_UNSPECIFIED_FAILURE;
 		}
 		if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
@@ -402,8 +404,8 @@ void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
 		 * was running, so better make sure we stop processing such an
 		 * event here.
 		 */
-		wpa_printf(MSG_DEBUG, "hostapd_notif_disassoc: Skip event "
-			   "with no address");
+		wpa_printf(MSG_DEBUG,
+			   "hostapd_notif_disassoc: Skip event with no address");
 		return;
 	}
 
@@ -412,8 +414,9 @@ void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
 
 	sta = ap_get_sta(hapd, addr);
 	if (sta == NULL) {
-		wpa_printf(MSG_DEBUG, "Disassociation notification for "
-			   "unknown STA " MACSTR, MAC2STR(addr));
+		wpa_printf(MSG_DEBUG,
+			   "Disassociation notification for unknown STA "
+			   MACSTR, MAC2STR(addr));
 		return;
 	}
 
@@ -434,8 +437,8 @@ void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
 		return;
 
 	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
-		       HOSTAPD_LEVEL_INFO, "disconnected due to excessive "
-		       "missing ACKs");
+		       HOSTAPD_LEVEL_INFO,
+		       "disconnected due to excessive missing ACKs");
 	hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
 	if (sta)
 		ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
@@ -459,8 +462,8 @@ void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
 	channel = hostapd_hw_get_channel(hapd, freq);
 	if (!channel) {
 		hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
-			       HOSTAPD_LEVEL_WARNING, "driver switched to "
-			       "bad channel!");
+			       HOSTAPD_LEVEL_WARNING,
+			       "driver switched to bad channel!");
 		return;
 	}
 
@@ -697,8 +700,8 @@ static void hostapd_notif_auth(struct hostapd_data *hapd,
 			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
 							sta->addr, NULL);
 		if (sta->wpa_sm == NULL) {
-			wpa_printf(MSG_DEBUG, "FT: Failed to initialize WPA "
-				   "state machine");
+			wpa_printf(MSG_DEBUG,
+				   "FT: Failed to initialize WPA state machine");
 			status = WLAN_STATUS_UNSPECIFIED_FAILURE;
 			goto fail;
 		}
@@ -733,7 +736,7 @@ static void hostapd_action_rx(struct hostapd_data *hapd,
 	if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
 		return; /* handled by the driver */
 
-        wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d",
+	wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d",
 		   mgmt->u.action.category, (int) plen);
 
 	sta = ap_get_sta(hapd, mgmt->sa);
@@ -744,6 +747,7 @@ static void hostapd_action_rx(struct hostapd_data *hapd,
 #ifdef CONFIG_IEEE80211R
 	if (mgmt->u.action.category == WLAN_ACTION_FT) {
 		const u8 *payload = drv_mgmt->frame + 24 + 1;
+
 		wpa_ft_action_rx(sta->wpa_sm, payload, plen);
 	}
 #endif /* CONFIG_IEEE80211R */
@@ -818,6 +822,7 @@ static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
 	if (hapd->ext_mgmt_frame_handling) {
 		size_t hex_len = 2 * rx_mgmt->frame_len + 1;
 		char *hex = os_malloc(hex_len);
+
 		if (hex) {
 			wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
 					 rx_mgmt->frame_len);
@@ -835,8 +840,7 @@ static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
 
 	hapd = get_hapd_bssid(iface, bssid);
 	if (hapd == NULL) {
-		u16 fc;
-		fc = le_to_host16(hdr->frame_control);
+		u16 fc = le_to_host16(hdr->frame_control);
 
 		/*
 		 * Drop frames to unknown BSSIDs except for Beacon frames which
@@ -855,6 +859,7 @@ static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
 
 	if (hapd == HAPD_BROADCAST) {
 		size_t i;
+
 		ret = 0;
 		for (i = 0; i < iface->num_bss; i++) {
 			/* if bss is set, driver will call this function for
@@ -881,6 +886,7 @@ static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
 			       size_t len, u16 stype, int ok)
 {
 	struct ieee80211_hdr *hdr;
+
 	hdr = (struct ieee80211_hdr *) buf;
 	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
 	if (hapd == NULL || hapd == HAPD_BROADCAST)
@@ -894,6 +900,7 @@ static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
 static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
 {
 	struct sta_info *sta = ap_get_sta(hapd, addr);
+
 	if (sta)
 		return 0;
 
@@ -920,11 +927,10 @@ static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
 	size_t j;
 
 	for (j = 0; j < iface->num_bss; j++) {
-		if ((sta = ap_get_sta(iface->bss[j], src))) {
-			if (sta->flags & WLAN_STA_ASSOC) {
-				hapd = iface->bss[j];
-				break;
-			}
+		sta = ap_get_sta(iface->bss[j], src);
+		if (sta && sta->flags & WLAN_STA_ASSOC) {
+			hapd = iface->bss[j];
+			break;
 		}
 	}
 
@@ -984,7 +990,8 @@ static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
 	if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
 		return;
 
-	wpa_printf(MSG_DEBUG, "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
+	wpa_printf(MSG_DEBUG,
+		   "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
 		   survey->freq,
 		   (unsigned long int) survey->channel_time,
 		   (unsigned long int) survey->channel_time_busy);
@@ -1118,6 +1125,7 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 	    data->rx_mgmt.frame_len >= 24) {
 		const struct ieee80211_hdr *hdr;
 		u16 fc;
+
 		hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
 		fc = le_to_host16(hdr->frame_control);
 		if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&