[U-Boot] [PATCH v2 1/2] dm: device: fail uclass_find_first_device() if list_empty

[Simon Glass]

On Fri, 25 Jan 2019 at 05:40, Marcel Ziswiler <marcel at ziswiler.com> wrote:
>
> From: Marcel Ziswiler <marcel.ziswiler at toradex.com>
>
> While uclass_find_device() fails with -ENODEV in case of list_empty
> strangely uclass_find_first_device() returns 0.
>
> Fix uclass_find_first_device() to also fail with -ENODEV instead.
>
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>
>
> ---
>
> Changes in v2:
> - Update dm_test_uclass_devices_find() to test this behaviour as
>   suggested by Simon.
>
>  drivers/core/uclass.c | 2 +-
>  test/dm/core.c        | 4 ++++
>  2 files changed, 5 insertions(+), 1 deletion(-)

Reviewed-by: Simon Glass <sjg at chromium.org>