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From eaef7c52907fc0cc2aede0c9bd1ada15112bd93f Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Wed, 22 Jul 2015 00:23:47 -0400
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Subject: [PATCH] ata_id: unreverse WWN identifier
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An endianness conversion was lost in 6024a6e302bad6bcf073fa84a41a6123305dc845.
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Restore it. Now ata_id and scsi_id output match.
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https://bugzilla.redhat.com/show_bug.cgi?id=1227503
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(cherry picked from commit 01f61d331bb5038f0c877ac03c54333328b6ea28)
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---
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src/udev/ata_id/ata_id.c | 14 ++++++++++++--
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1 file changed, 12 insertions(+), 2 deletions(-)
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diff --git a/src/udev/ata_id/ata_id.c b/src/udev/ata_id/ata_id.c
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index b6f28c6f53..4adec44960 100644
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--- a/src/udev/ata_id/ata_id.c
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+++ b/src/udev/ata_id/ata_id.c
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@@ -638,10 +638,20 @@ int main(int argc, char *argv[])
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* All other values are reserved.
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*/
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word = identify.wyde[108];
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- if ((word & 0xf000) == 0x5000)
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+ if ((word & 0xf000) == 0x5000) {
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+ uint64_t wwwn;
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+
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+ wwwn = identify.wyde[108];
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+ wwwn <<= 16;
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+ wwwn |= identify.wyde[109];
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+ wwwn <<= 16;
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+ wwwn |= identify.wyde[110];
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+ wwwn <<= 16;
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+ wwwn |= identify.wyde[111];
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printf("ID_WWN=0x%1$" PRIx64 "\n"
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"ID_WWN_WITH_EXTENSION=0x%1$" PRIx64 "\n",
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- identify.octa[108/4]);
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+ wwwn);
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+ }
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/* from Linux's include/linux/ata.h */
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if (identify.wyde[0] == 0x848a ||
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