* This function querys number of mpf and pf buffer descriptors.
  */
 static int hclge_query_bd_num(struct hclge_dev *hdev, bool is_ras,
-                             int *mpf_bd_num, int *pf_bd_num)
+                             u32 *mpf_bd_num, u32 *pf_bd_num)
 {
        struct device *dev = &hdev->pdev->dev;
        u32 mpf_min_bd_num, pf_min_bd_num;
        *mpf_bd_num = le32_to_cpu(desc_bd.data[0]);
        *pf_bd_num = le32_to_cpu(desc_bd.data[1]);
        if (*mpf_bd_num < mpf_min_bd_num || *pf_bd_num < pf_min_bd_num) {
-               dev_err(dev, "Invalid bd num: mpf(%d), pf(%d)\n",
+               dev_err(dev, "Invalid bd num: mpf(%u), pf(%u)\n",
                        *mpf_bd_num, *pf_bd_num);
                return -EINVAL;
        }