diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 8e103281a09b..220d8e0a75fb 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -907,11 +907,10 @@ static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
 
 static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type)
 {
-	u8 field_len;
-	size_t parsed;
+	size_t parsed = 0;
 
-	for (parsed = 0; parsed < data_len - 1; parsed += field_len) {
-		field_len = data[0];
+	while (parsed < data_len - 1) {
+		u8 field_len = data[0];
 
 		if (field_len == 0)
 			break;