[Qemu-devel] [PATCH v2 03/11] block: use refcnt for drive_init/drive_uninit

[Fam Zheng]

Signed-off-by: Fam Zheng <address@hidden>
---
 blockdev.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/blockdev.c b/blockdev.c
index c5abd65..bb986a1 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -212,7 +212,7 @@ static void bdrv_format_print(void *opaque, const char 
*name)
 static void drive_uninit(DriveInfo *dinfo)
 {
     qemu_opts_del(dinfo->opts);
-    bdrv_delete(dinfo->bdrv);
+    bdrv_unref(dinfo->bdrv, false);
     g_free(dinfo->id);
     QTAILQ_REMOVE(&drives, dinfo, next);
     g_free(dinfo->serial);
@@ -709,8 +709,10 @@ DriveInfo *drive_init(QemuOpts *all_opts, 
BlockInterfaceType block_default_type)
         goto err;
     }
 
-    if (bdrv_key_required(dinfo->bdrv))
+    bdrv_ref(dinfo->bdrv, false);
+    if (bdrv_key_required(dinfo->bdrv)) {
         autostart = 0;
+    }
 
     qemu_opts_del(opts);
 
-- 
1.8.3.2