scsi: hpsa: do not print errors for unsupported report luns format

Legacy boards might not support the 'extended' report luns format,
but as this is to be expected we don't need to print out an error here.
Signed-off-by: NHannes Reinecke <hare@suse.com>
Acked-by: NDon Brace <don.brace@microsemi.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/hpsa.c

@@ -3601,7 +3601,7 @@ static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical,
 	memset(scsi3addr, 0, sizeof(scsi3addr));
 	if (fill_cmd(c, logical ? HPSA_REPORT_LOG : HPSA_REPORT_PHYS, h,
 		buf, bufsize, 0, scsi3addr, TYPE_CMD)) {
-		rc = -1;
+		rc = -EAGAIN;
 		goto out;
 	}
 	if (extended_response)
@@ -3614,16 +3614,19 @@ static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical,
 	if (ei->CommandStatus != 0 &&
 	    ei->CommandStatus != CMD_DATA_UNDERRUN) {
 		hpsa_scsi_interpret_error(h, c);
-		rc = -1;
+		rc = -EIO;
 	} else {
 		struct ReportLUNdata *rld = buf;
 
 		if (rld->extended_response_flag != extended_response) {
-			dev_err(&h->pdev->dev,
-				"report luns requested format %u, got %u\n",
-				extended_response,
-				rld->extended_response_flag);
-			rc = -1;
+			if (!h->legacy_board) {
+				dev_err(&h->pdev->dev,
+					"report luns requested format %u, got %u\n",
+					extended_response,
+					rld->extended_response_flag);
+				rc = -EINVAL;
+			} else
+				rc = -EOPNOTSUPP;
 		}
 	}
 out:
@@ -3639,7 +3642,7 @@ static inline int hpsa_scsi_do_report_phys_luns(struct ctlr_info *h,
 
 	rc = hpsa_scsi_do_report_luns(h, 0, buf, bufsize,
 				      HPSA_REPORT_PHYS_EXTENDED);
-	if (!rc || !hpsa_allow_any)
+	if (!rc || rc != -EOPNOTSUPP)
 		return rc;
 
 	/* REPORT PHYS EXTENDED is not supported */
@@ -6617,7 +6620,6 @@ static int fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h,
 		default:
 			dev_warn(&h->pdev->dev, "unknown command 0x%c\n", cmd);
 			BUG();
-			return -1;
 		}
 	} else if (cmd_type == TYPE_MSG) {
 		switch (cmd) {