[PATCH v2 2/4] block: Use bdrv_make_empty() where possible

[Max Reitz <mreitz@redhat.com>]

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
---
 block/replication.c | 6 ++----
 block/vvfat.c       | 4 +---
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/block/replication.c b/block/replication.c
index da013c2041..cc6a40d577 100644
--- a/block/replication.c
+++ b/block/replication.c
@@ -331,9 +331,8 @@ static void secondary_do_checkpoint(BDRVReplicationState *s, Error **errp)
         return;
     }
 
-    ret = s->active_disk->bs->drv->bdrv_make_empty(s->active_disk->bs);
+    ret = bdrv_make_empty(s->active_disk, errp);
     if (ret < 0) {
-        error_setg(errp, "Cannot make active disk empty");
         return;
     }
 
@@ -343,9 +342,8 @@ static void secondary_do_checkpoint(BDRVReplicationState *s, Error **errp)
         return;
     }
 
-    ret = s->hidden_disk->bs->drv->bdrv_make_empty(s->hidden_disk->bs);
+    ret = bdrv_make_empty(s->hidden_disk, errp);
     if (ret < 0) {
-        error_setg(errp, "Cannot make hidden disk empty");
         return;
     }
 }
diff --git a/block/vvfat.c b/block/vvfat.c
index 6d5c090dec..34c121c07a 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -2960,9 +2960,7 @@ static int do_commit(BDRVVVFATState* s)
         return ret;
     }
 
-    if (s->qcow->bs->drv && s->qcow->bs->drv->bdrv_make_empty) {
-        s->qcow->bs->drv->bdrv_make_empty(s->qcow->bs);
-    }
+    bdrv_make_empty(s->qcow, NULL);
 
     memset(s->used_clusters, 0, sector2cluster(s, s->sector_count));
 
-- 
2.25.4