diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 53155cb703b5..c50a41f1782a 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -81,7 +81,7 @@ struct discovery_state {
 	u8			last_adv_addr_type;
 	s8			last_adv_rssi;
 	u32			last_adv_flags;
-	u8			last_adv_data[HCI_MAX_AD_LENGTH];
+	u8			last_adv_data[HCI_MAX_EXT_AD_LENGTH];
 	u8			last_adv_data_len;
 	bool			report_invalid_rssi;
 	bool			result_filtering;
@@ -293,7 +293,7 @@ struct adv_pattern {
 	__u8 ad_type;
 	__u8 offset;
 	__u8 length;
-	__u8 value[HCI_MAX_AD_LENGTH];
+	__u8 value[HCI_MAX_EXT_AD_LENGTH];
 };
 
 struct adv_rssi_thresholds {
@@ -727,7 +727,7 @@ struct hci_conn {
 	__u16		le_conn_interval;
 	__u16		le_conn_latency;
 	__u16		le_supv_timeout;
-	__u8		le_adv_data[HCI_MAX_AD_LENGTH];
+	__u8		le_adv_data[HCI_MAX_EXT_AD_LENGTH];
 	__u8		le_adv_data_len;
 	__u8		le_per_adv_data[HCI_MAX_PER_AD_LENGTH];
 	__u8		le_per_adv_data_len;
diff --git a/net/bluetooth/eir.c b/net/bluetooth/eir.c
index 8a85f6cdfbc1..9214189279e8 100644
--- a/net/bluetooth/eir.c
+++ b/net/bluetooth/eir.c
@@ -33,7 +33,7 @@ u8 eir_append_local_name(struct hci_dev *hdev, u8 *ptr, u8 ad_len)
 	size_t complete_len;
 
 	/* no space left for name (+ NULL + type + len) */
-	if ((HCI_MAX_AD_LENGTH - ad_len) < HCI_MAX_SHORT_NAME_LENGTH + 3)
+	if ((max_adv_len(hdev) - ad_len) < HCI_MAX_SHORT_NAME_LENGTH + 3)
 		return ad_len;
 
 	/* use complete name if present and fits */
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 1486fb9bb78f..21c0924787e2 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -5378,9 +5378,9 @@ static u8 parse_adv_monitor_pattern(struct adv_monitor *m, u8 pattern_count,
 	for (i = 0; i < pattern_count; i++) {
 		offset = patterns[i].offset;
 		length = patterns[i].length;
-		if (offset >= HCI_MAX_AD_LENGTH ||
-		    length > HCI_MAX_AD_LENGTH ||
-		    (offset + length) > HCI_MAX_AD_LENGTH)
+		if (offset >= HCI_MAX_EXT_AD_LENGTH ||
+		    length > HCI_MAX_EXT_AD_LENGTH ||
+		    (offset + length) > HCI_MAX_EXT_AD_LENGTH)
 			return MGMT_STATUS_INVALID_PARAMS;
 
 		p = kmalloc(sizeof(*p), GFP_KERNEL);