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-rw-r--r--block/vvfat.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/vvfat.c b/block/vvfat.c
index 731e591ec1..cefe3a4f79 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -1182,7 +1182,7 @@ static int vvfat_open(BlockDriverState *bs, QDict *options, int flags,
     if (s->qcow) {
         error_set(&s->migration_blocker,
                   QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED,
-                  "vvfat (rw)", bs->device_name, "live migration");
+                  "vvfat (rw)", bdrv_get_device_name(bs), "live migration");
         migrate_add_blocker(s->migration_blocker);
     }
 
@@ -2939,7 +2939,7 @@ static int enable_write_target(BDRVVVFATState *s, Error **errp)
     unlink(s->qcow_filename);
 #endif
 
-    bdrv_set_backing_hd(s->bs, bdrv_new("", &error_abort));
+    bdrv_set_backing_hd(s->bs, bdrv_new());
     s->bs->backing_hd->drv = &vvfat_write_target;
     s->bs->backing_hd->opaque = g_new(void *, 1);
     *(void**)s->bs->backing_hd->opaque = s;