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Blame SOURCES/kvm-migration-block-dirty-bitmap-fix-dirty_bitmap_load.patch

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From d8d7edf965db996cd6105cc9d550374af9bb6521 Mon Sep 17 00:00:00 2001
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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
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Date: Fri, 22 Jun 2018 19:00:05 +0200
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Subject: [PATCH 17/21] migration/block-dirty-bitmap: fix dirty_bitmap_load
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RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Message-id: <20180801135522.11658-19-dgilbert@redhat.com>
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Patchwork-id: 81573
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O-Subject: [qemu-kvm RHEL8/virt212 PATCH 18/18] migration/block-dirty-bitmap: fix dirty_bitmap_load
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Bugzilla: 1594384
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RH-Acked-by: Peter Xu <peterx@redhat.com>
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RH-Acked-by: John Snow <jsnow@redhat.com>
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RH-Acked-by: Juan Quintela <quintela@redhat.com>
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From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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dirty_bitmap_load_header return code is obtained but not handled. Fix
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this.
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Bug was introduced in b35ebdf076d697bc
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"migration: add postcopy migration of dirty bitmaps" with the whole
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function.
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Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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Message-Id: <20180530112424.204835-1-vsementsov@virtuozzo.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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Reviewed-by: John Snow <jsnow@redhat.com>
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Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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(cherry picked from commit a36f6ff46f115672cf86d0e1e7cdb1c2fa4d304b)
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---
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 migration/block-dirty-bitmap.c | 3 +++
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 1 file changed, 3 insertions(+)
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diff --git a/migration/block-dirty-bitmap.c b/migration/block-dirty-bitmap.c
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index b3b31ba..fefbc6a 100644
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--- a/migration/block-dirty-bitmap.c
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+++ b/migration/block-dirty-bitmap.c
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@@ -672,6 +672,9 @@ static int dirty_bitmap_load(QEMUFile *f, void *opaque, int version_id)
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     do {
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         ret = dirty_bitmap_load_header(f, &s);
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+        if (ret < 0) {
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+            return ret;
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+        }
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         if (s.flags & DIRTY_BITMAP_MIG_FLAG_START) {
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             ret = dirty_bitmap_load_start(f, &s);
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-- 
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1.8.3.1
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