diff options
Diffstat (limited to 'block/copy-before-write.c')
-rw-r--r-- | block/copy-before-write.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/block/copy-before-write.c b/block/copy-before-write.c index afbdd04489..4abaa7339e 100644 --- a/block/copy-before-write.c +++ b/block/copy-before-write.c @@ -412,6 +412,7 @@ static int cbw_open(BlockDriverState *bs, QDict *options, int flags, int64_t cluster_size; g_autoptr(BlockdevOptions) full_opts = NULL; BlockdevOptionsCbw *opts; + int ret; full_opts = cbw_parse_options(options, errp); if (!full_opts) { @@ -420,11 +421,9 @@ static int cbw_open(BlockDriverState *bs, QDict *options, int flags, assert(full_opts->driver == BLOCKDEV_DRIVER_COPY_BEFORE_WRITE); opts = &full_opts->u.copy_before_write; - bs->file = bdrv_open_child(NULL, options, "file", bs, &child_of_bds, - BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY, - false, errp); - if (!bs->file) { - return -EINVAL; + ret = bdrv_open_file_child(NULL, options, "file", bs, errp); + if (ret < 0) { + return ret; } s->target = bdrv_open_child(NULL, options, "target", bs, &child_of_bds, |