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From d1c32b69edc7f0f62a7c3f65691c2cb9fedcb112 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Wed, 22 Jul 2015 00:23:47 -0400
Subject: [PATCH] ata_id: unreverse WWN identifier
An endianness conversion was lost in 6024a6e302bad6bcf073fa84a41a6123305dc845.
Restore it. Now ata_id and scsi_id output match.
https://bugzilla.redhat.com/show_bug.cgi?id=1227503
Cherry-picked from: 01f61d331bb5038f0c877ac03c54333328b6ea28
Resolves: #1273306
---
src/udev/ata_id/ata_id.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/src/udev/ata_id/ata_id.c b/src/udev/ata_id/ata_id.c
index b6f28c6f53..4adec44960 100644
--- a/src/udev/ata_id/ata_id.c
+++ b/src/udev/ata_id/ata_id.c
@@ -638,10 +638,20 @@ int main(int argc, char *argv[])
* All other values are reserved.
*/
word = identify.wyde[108];
- if ((word & 0xf000) == 0x5000)
+ if ((word & 0xf000) == 0x5000) {
+ uint64_t wwwn;
+
+ wwwn = identify.wyde[108];
+ wwwn <<= 16;
+ wwwn |= identify.wyde[109];
+ wwwn <<= 16;
+ wwwn |= identify.wyde[110];
+ wwwn <<= 16;
+ wwwn |= identify.wyde[111];
printf("ID_WWN=0x%1$" PRIx64 "\n"
"ID_WWN_WITH_EXTENSION=0x%1$" PRIx64 "\n",
- identify.octa[108/4]);
+ wwwn);
+ }
/* from Linux's include/linux/ata.h */
if (identify.wyde[0] == 0x848a ||