break;
        default:
                if (aarch64_get_imm_shift_mask(type, &mask, &shift) < 0) {
-                       pr_err("aarch64_insn_decode_immediate: unknown immediate encoding %d\n",
+                       pr_err("%s: unknown immediate encoding %d\n", __func__,
                               type);
                        return 0;
                }
                break;
        default:
                if (aarch64_get_imm_shift_mask(type, &mask, &shift) < 0) {
-                       pr_err("aarch64_insn_encode_immediate: unknown immediate encoding %d\n",
+                       pr_err("%s: unknown immediate encoding %d\n", __func__,
                               type);
                        return AARCH64_BREAK_FAULT;
                }