block: Split bdrv_new_root() off bdrv_new()

Creating an anonymous BDS can't fail.  Make that obvious.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2014-10-07 13:59:03 +02:00 committed by Kevin Wolf
parent ec0de76874
commit e4e9986b1c
9 changed files with 30 additions and 19 deletions

View file

@ -523,7 +523,7 @@ static DriveInfo *blockdev_init(const char *file, QDict *bs_opts,
}
/* init */
bs = bdrv_new(qemu_opts_id(opts), errp);
bs = bdrv_new_root(qemu_opts_id(opts), errp);
if (!bs) {
goto early_err;
}