device-mapper-multipath/0010-RH-make-parse_vpd_pg83-match-scsi_id-output.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Benjamin Marzinski <bmarzins@redhat.com>
Date: Thu, 25 Mar 2021 13:05:10 -0500
Subject: [PATCH] RH: make parse_vpd_pg83 match scsi_id output

Red Hat sets ID_SERIAL based on the result of scsi_id, instead of using
the result of sg_inq and 55-scsi-sg3_id.rules. Make parse_vpd_pg83 match
that.

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
 libmultipath/discovery.c | 18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)

diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index ec99a7aa..2704270e 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -1135,12 +1135,9 @@ parse_vpd_pg83(const unsigned char *in, size_t in_len,
 				naa_prio = 7;
 				break;
 			case 2:
-				/* IEEE Extended: Prio 6 */
-				naa_prio = 6;
-				break;
 			case 3:
-				/* IEEE Locally assigned: Prio 1 */
-				naa_prio = 1;
+				/* IEEE Extended or Locally assigned: Prio 6 */
+				naa_prio = 6;
 				break;
 			default:
 				/* Default: no priority */
@@ -1159,17 +1156,6 @@ parse_vpd_pg83(const unsigned char *in, size_t in_len,
 				vpd = d;
 			}
 			break;
-		case 0x8:
-			/* SCSI Name: Prio 3 */
-			if (memcmp(d + 4, "eui.", 4) &&
-			    memcmp(d + 4, "naa.", 4) &&
-			    memcmp(d + 4, "iqn.", 4))
-				break;
-			if (prio < 3) {
-				prio = 3;
-				vpd = d;
-			}
-			break;
 		case 0x1:
 			/* T-10 Vendor ID: Prio 2 */
 			if (prio < 2) {