mirror: Fix error path for dirty bitmap creation

mirror_top_bs must be removed from the graph again when creating the
dirty bitmap fails.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Kevin Wolf 2017-03-06 16:12:44 +01:00
parent 0bf74767ff
commit 88f9d1b3d2

View File

@ -1197,10 +1197,7 @@ static void mirror_start_job(const char *job_id, BlockDriverState *bs,
s->dirty_bitmap = bdrv_create_dirty_bitmap(bs, granularity, NULL, errp);
if (!s->dirty_bitmap) {
g_free(s->replaces);
blk_unref(s->target);
block_job_unref(&s->common);
return;
goto fail;
}
/* Required permissions are already taken with blk_new() */