46 lines
1.5 KiB
Diff
46 lines
1.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Benjamin Marzinski <bmarzins@redhat.com>
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Date: Wed, 12 Jan 2022 12:26:12 -0600
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Subject: [PATCH] libmultipath: fix disassemble status for
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historical-service-time PS
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The historical-service-time path selector prints out 2 path group status
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arguments. This is the only path selector that uses the group status
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arguments. All the others only have path status arguments.
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disassemble_status() was expecting the number of group status arguments
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to always be zero, causing it to fail at disassembling the status of
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devices that use historical-service-time path selector. Now multipath
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actually checks the number of group arguments, and skips them.
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Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
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---
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libmultipath/dmparser.c | 14 ++++++++++++--
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1 file changed, 12 insertions(+), 2 deletions(-)
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diff --git a/libmultipath/dmparser.c b/libmultipath/dmparser.c
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index 4ba7f339..bc311421 100644
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--- a/libmultipath/dmparser.c
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+++ b/libmultipath/dmparser.c
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@@ -437,9 +437,19 @@ int disassemble_status(const char *params, struct multipath *mpp)
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FREE(word);
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/*
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- * PG Status (discarded, would be '0' anyway)
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+ * Path Selector Group Arguments
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*/
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- p += get_word(p, NULL);
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+ p += get_word(p, &word);
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+
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+ if (!word)
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+ return 1;
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+
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+ num_pg_args = atoi(word);
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+ free(word);
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+
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+ /* Ignore ps group arguments */
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+ for (j = 0; j < num_pg_args; j++)
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+ p += get_word(p, NULL);
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p += get_word(p, &word);
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