commit e6641719fed794be8e0c48a69761528ae6c95ed9
author Max Reitz <mreitz@redhat.com> Wed Aug 26 19:47:48 2015 +0200
committer Kevin Wolf <kwolf@redhat.com> Mon Sep 14 16:51:36 2015 +0200
tree 2d468a3f566630548503d9aa83ecde588f165976
parent 2b750d9d261bda7f75b39dfc1e1e5f22502929d5

block: Always pass NULL as drv for bdrv_open()

Change all callers of bdrv_open() to pass the driver name in the options
QDict instead of passing its BlockDriver pointer.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

block/vvfat.c

diff --git a/block/vvfat.c b/block/vvfat.c
index 2068697..bffe8ad 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -2926,6 +2926,8 @@
     QemuOpts *opts = NULL;
     int ret;
     int size = sector2cluster(s, s->sector_count);
+    QDict *options;
+
     s->used_clusters = calloc(size, 1);
 
     array_init(&(s->commits), sizeof(commit_t));
@@ -2956,9 +2958,11 @@
     }
 
     s->qcow = NULL;
-    ret = bdrv_open(&s->qcow, s->qcow_filename, NULL, NULL,
+    options = qdict_new();
+    qdict_put(options, "driver", qstring_from_str("qcow"));
+    ret = bdrv_open(&s->qcow, s->qcow_filename, NULL, options,
                     BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH,
-                    bdrv_qcow, errp);
+                    NULL, errp);
     if (ret < 0) {
         goto err;
     }