[Qemu-devel] [PATCH] blockdev: enable non-root nodes for transaction drive-backup source

[Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>]

We forget to enable it for transaction .prepare, while it is already
enabled in do_drive_backup since commit a2d665c1bc362
    "blockdev: loosen restrictions on drive-backup source node"

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---

Hmm, I've to add John by hand, get_maintainer.pl don't report him.
Shouldn't we include blockdev.c into Block Jobs in MAINTAINERS?
It definitely related to block jobs.

 blockdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/blockdev.c b/blockdev.c
index b5c0fd3c49..4ae81d687a 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1775,7 +1775,7 @@ static void drive_backup_prepare(BlkActionState *common, Error **errp)
     assert(common->action->type == TRANSACTION_ACTION_KIND_DRIVE_BACKUP);
     backup = common->action->u.drive_backup.data;
 
-    bs = qmp_get_root_bs(backup->device, errp);
+    bs = bdrv_lookup_bs(backup->device, backup->device, errp);
     if (!bs) {
         return;
     }
-- 
2.18.0