Blame SOURCES/0036-libmultipath-make-vector_foreach_slot_backwards-work.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Benjamin Marzinski <bmarzins@redhat.com>
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Date: Fri, 24 May 2019 17:30:07 -0500
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Subject: [PATCH] libmultipath: make vector_foreach_slot_backwards work as
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expected
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All of the code that uses vector_foreach_slot_backwards() treats "i" as
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the index of the entry "p", but the way it was coded, that wasn't the
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case. "i" was the number of the entry counting from 1, not 0.
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Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
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---
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libmultipath/vector.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/libmultipath/vector.h b/libmultipath/vector.h
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index 41d2b89..344dffd 100644
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--- a/libmultipath/vector.h
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+++ b/libmultipath/vector.h
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@@ -40,7 +40,7 @@ typedef struct _vector *vector;
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#define vector_foreach_slot_after(v,p,i) \
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for (; (v) && i < VECTOR_SIZE(v) && ((p) = (v)->slot[i]); i++)
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#define vector_foreach_slot_backwards(v,p,i) \
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- for (i = VECTOR_SIZE(v); i > 0 && ((p) = (v)->slot[i-1]); i--)
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+ for (i = VECTOR_SIZE(v) - 1; (int)i >= 0 && ((p) = (v)->slot[i]); i--)
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#define identity(x) (x)
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/*
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--
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2.17.2
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