Vladimir Sementsov-Ogievskiy 808cf3cb6a block/qcow2: zero data_file child after free
data_file being NULL doesn't seem to be a correct state, but it's
better than dead pointer and simpler to debug.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200316060631.30052-3-vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-03-24 11:41:46 +01:00
..
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