block/qcow2: zero data_file child after free
commit808cf3cb6af8171b4e24d24f2a2d461434dc6572
authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Mon, 16 Mar 2020 06:06:31 +0000 (16 09:06 +0300)
committerMax Reitz <mreitz@redhat.com>
Tue, 24 Mar 2020 10:41:46 +0000 (24 11:41 +0100)
treec68de7502940f9af44f13a343a7ba85dae730a3f
parent6e57963a77df1e275a73dab4c6a7ec9a9d3468d4
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>
block/qcow2.c