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[PULL,2/3] xen-block: Fix uninitialized variable

Message ID 20200407152237.1468704-3-anthony.perard@citrix.com
State New
Headers show
Series [PULL,1/3] hw/usb/xen-usb.c: Pass struct usbback_req* to usbback_packet_complete() | expand

Commit Message

Anthony PERARD April 7, 2020, 3:22 p.m. UTC
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 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/hw/block/xen-block.c b/hw/block/xen-block.c
index 07bb32e22b51..99cb4c67cb09 100644
--- a/hw/block/xen-block.c
+++ b/hw/block/xen-block.c
@@ -860,7 +860,7 @@  static XenBlockIOThread *xen_block_iothread_create(const char *id,
     XenBlockIOThread *iothread = g_new(XenBlockIOThread, 1);
     Error *local_err = NULL;
     QDict *opts;
-    QObject *ret_data;
+    QObject *ret_data = NULL;
     iothread->id = g_strdup(id);