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From ea69d5b7e4b59362f9d42b4e7e40f5c2fcc7b31b Mon Sep 17 00:00:00 2001
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From: John Snow <jsnow@redhat.com>
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Date: Wed, 18 Jul 2018 22:54:44 +0200
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Subject: [PATCH 226/268] block/qcow2-bitmap: fix free_bitmap_clusters
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RH-Author: John Snow <jsnow@redhat.com>
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Message-id: <20180718225511.14878-9-jsnow@redhat.com>
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Patchwork-id: 81392
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O-Subject: [RHEL-7.6 qemu-kvm-rhev PATCH 08/35] block/qcow2-bitmap: fix free_bitmap_clusters
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Bugzilla: 1207657
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RH-Acked-by: Eric Blake <eblake@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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This assert may fail, because bitmap_table is not initialized. Just
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drop it, as it's obvious, that bitmap_table_load sets bitmap_table
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parameter only when returning zero.
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Reported-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
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Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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Message-id: 20180608101225.2575-1-vsementsov@virtuozzo.com
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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(cherry picked from commit 7eb24009dbf8102fc27d5459bec1cb8a932540c4)
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Signed-off-by: John Snow <jsnow@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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block/qcow2-bitmap.c | 1 -
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1 file changed, 1 deletion(-)
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diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c
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index 6e93ec4..3e4e4e4 100644
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--- a/block/qcow2-bitmap.c
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+++ b/block/qcow2-bitmap.c
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@@ -254,7 +254,6 @@ static int free_bitmap_clusters(BlockDriverState *bs, Qcow2BitmapTable *tb)
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ret = bitmap_table_load(bs, tb, &bitmap_table);
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if (ret < 0) {
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- assert(bitmap_table == NULL);
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return ret;
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}
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--
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1.8.3.1
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