c
#define MAX_DATA_BUFFER_SIZE 1024

static void qca_tlv_check_data(struct hci_dev *hdev, ...) {
  // ... other code ...

  if (hdev->data_length >= 0 && hdev->data_length <= MAX_DATA_BUFFER_SIZE) {
     // Safe to access data
     // ... process data ...
  } else {
     // Handle error 
  }

  // ... rest of the function ... 
}
