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[Qemu-devel] [PATCH 91/99] migration/block-dirty-bitmap: fix dirty_bitma

From: Michael Roth
Subject: [Qemu-devel] [PATCH 91/99] migration/block-dirty-bitmap: fix dirty_bitmap_load
Date: Mon, 23 Jul 2018 15:17:40 -0500

From: Vladimir Sementsov-Ogievskiy <address@hidden>

dirty_bitmap_load_header return code is obtained but not handled. Fix

Bug was introduced in b35ebdf076d697bc
"migration: add postcopy migration of dirty bitmaps" with the whole

Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: John Snow <address@hidden>
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
(cherry picked from commit a36f6ff46f115672cf86d0e1e7cdb1c2fa4d304b)
Signed-off-by: Michael Roth <address@hidden>
 migration/block-dirty-bitmap.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/migration/block-dirty-bitmap.c b/migration/block-dirty-bitmap.c
index 8819aabe3a..2c541c985d 100644
--- a/migration/block-dirty-bitmap.c
+++ b/migration/block-dirty-bitmap.c
@@ -672,6 +672,9 @@ static int dirty_bitmap_load(QEMUFile *f, void *opaque, int 
     do {
         ret = dirty_bitmap_load_header(f, &s);
+        if (ret < 0) {
+            return ret;
+        }
         if (s.flags & DIRTY_BITMAP_MIG_FLAG_START) {
             ret = dirty_bitmap_load_start(f, &s);

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