diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index ec6acf2..1cd031c 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -535,15 +535,17 @@
 	__u8     delete_all;
 } __packed;
 
+#define HCI_MAX_NAME_LENGTH		248
+
 #define HCI_OP_WRITE_LOCAL_NAME		0x0c13
 struct hci_cp_write_local_name {
-	__u8     name[248];
+	__u8     name[HCI_MAX_NAME_LENGTH];
 } __packed;
 
 #define HCI_OP_READ_LOCAL_NAME		0x0c14
 struct hci_rp_read_local_name {
 	__u8     status;
-	__u8     name[248];
+	__u8     name[HCI_MAX_NAME_LENGTH];
 } __packed;
 
 #define HCI_OP_WRITE_CA_TIMEOUT		0x0c16
@@ -745,7 +747,7 @@
 struct hci_ev_remote_name {
 	__u8     status;
 	bdaddr_t bdaddr;
-	__u8     name[248];
+	__u8     name[HCI_MAX_NAME_LENGTH];
 } __packed;
 
 #define HCI_EV_ENCRYPT_CHANGE		0x08
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 441dadb..9aabb14 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -94,7 +94,7 @@
 	__u8		bus;
 	__u8		dev_type;
 	bdaddr_t	bdaddr;
-	__u8		dev_name[248];
+	__u8		dev_name[HCI_MAX_NAME_LENGTH];
 	__u8		dev_class[3];
 	__u8		major_class;
 	__u8		minor_class;