On 10/19/17 14:18, frowand.list@xxxxxxxxx wrote:
> From: Frank Rowand <frank.rowand@xxxxxxxx>
>
> A device tree overlay notifier can return NOTIFY_OK, NOTIFY_STOP,
> or an embedded errno. overlay_notify() incorrectly reports an
> error for NOTIFY_OK.
>
> Reported-by: atull@xxxxxxxxxx
> Signed-off-by: Frank Rowand <frank.rowand@xxxxxxxx>
> ---
> drivers/of/overlay.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
> index c99842bb4b09..f5fce0fea40b 100644
> --- a/drivers/of/overlay.c
> +++ b/drivers/of/overlay.c
> @@ -133,7 +133,7 @@ static int overlay_notify(struct overlay_changeset *ovcs,
>
> ret = blocking_notifier_call_chain(&overlay_notify_chain,
> action, &nd);
> - if (ret == NOTIFY_STOP)
> + if (ret == NOTIFY_OK || ret == NOTIFY_STOP)
> return 0;
> if (ret) {
> ret = notifier_to_errno(ret);
>
Not needed in any stable kernel. This is caused by
"[PATCH v3 00/12] of: overlay: clean up device tree overlay code".
-Frank
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