xen-block: Fix uninitialized variable
authorAnthony PERARD <anthony.perard@citrix.com>
Mon, 6 Apr 2020 16:42:07 +0000 (17:42 +0100)
committerAnthony PERARD <anthony.perard@citrix.com>
Tue, 7 Apr 2020 15:13:26 +0000 (16:13 +0100)
commit0cd40042c53a78057f4811379207ad9f141af703
tree0765177ae22984277c5161156c43a12cb9c7bede
parent1aef27c93d351cf6235dbc06d112f626a9aaeba6
xen-block: Fix uninitialized variable

Since 7f5d9b206d1e ("object-add: don't create return value if
failed"), qmp_object_add() don't write any value in 'ret_data', thus
has random data. Then qobject_unref() fails and abort().

Fix by initialising 'ret_data' properly.

Fixes: 5f07c4d60d09 ("qapi: Flatten object-add")
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200406164207.1446817-1-anthony.perard@citrix.com>
hw/block/xen-block.c