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From 1033a81438d6eae6eea225d489f876749f966f4d Mon Sep 17 00:00:00 2001
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Message-Id: <1033a81438d6eae6eea225d489f876749f966f4d@dist-git>
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Mon, 4 Dec 2017 13:38:49 +0100
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Subject: [PATCH] virDomainNumaGetNodeDistance: Fix input arguments validation
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https://bugzilla.redhat.com/show_bug.cgi?id=1454889
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There's no point in checking if numa->mem_nodes[node].ndistances
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is set if we check for numa->mem_nodes[node].distances. However,
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it makes sense to check if the sibling node (@cellid) caller
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passed falls within boundaries.
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: John Ferlan <jferlan@redhat.com>
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(cherry picked from commit 0ededbb84eb34539e326b4d4791772b699352302)
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/conf/numa_conf.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/conf/numa_conf.c b/src/conf/numa_conf.c
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index 7bba4120bd..c2f0d1ca8c 100644
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--- a/src/conf/numa_conf.c
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+++ b/src/conf/numa_conf.c
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@@ -1153,8 +1153,8 @@ virDomainNumaGetNodeDistance(virDomainNumaPtr numa,
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* defined default for local and remote nodes.
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*/
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if (!distances ||
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- !distances[cellid].value ||
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- !numa->mem_nodes[node].ndistances)
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+ cellid >= numa->nmem_nodes ||
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+ !distances[cellid].value)
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return (node == cellid) ? LOCAL_DISTANCE : REMOTE_DISTANCE;
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return distances[cellid].value;
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--
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2.15.1
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