Re: [PATCH] of: overlay: fix warning being reported as error in add_changeset_property

From: Frank Rowand
Date: Mon Jan 02 2023 - 09:36:47 EST


On 12/30/22 02:40, Ankit 16. Kumar (Nokia) wrote:
>
> The print causes false reporting of the issue which actually is a warning

How did you select the commit in this Fixes tag?

> Fixes: 2fe0e8769df9 ("of: overlay: check prevents multiple fragments touching same property")
>
> Signed-off-by: Ankit Kumar <ankit.16.kumar@xxxxxxxxx>
> ---
> 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 ed4e6c144a68..0da39b8461e7 100644
> --- a/drivers/of/overlay.c
> +++ b/drivers/of/overlay.c
> @@ -358,7 +358,7 @@ static int add_changeset_property(struct overlay_changeset *ovcs,
> }
>
> if (!of_node_check_flag(target->np, OF_OVERLAY))
> - pr_err("WARNING: memory leak will occur if overlay removed, property: %pOF/%s\n",
> + pr_warn("WARNING: memory leak will occur if overlay removed,
> +property: %pOF/%s\n",
> target->np, new_prop->name);
>
> if (ret) {
> --
> 2.30.1
>

NACK. This patch is incorrect. The reported memory leak is a bug, not a warning.

I'll write up some information about why the memory leak occurs, then reply to this
email with the additional info.

-Frank