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SubjectRe: [PATCH] of: overlay: Fix kerneldoc warning in of_overlay_remove()
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On 4/21/21 10:45 AM, Rob Herring wrote:
> '*ovcs_id' causes a warning because '*' is treated as bold markup:
>
> Documentation/devicetree/kernel-api:56: ../drivers/of/overlay.c:1184: WARNING: Inline emphasis start-string without end-string.
>
> Fix this to use the normal '@' markup for function parameters.
>
> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
> Cc: Frank Rowand <frowand.list@gmail.com>
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
> 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 d241273170fd..67c9aa6f14da 100644
> --- a/drivers/of/overlay.c
> +++ b/drivers/of/overlay.c
> @@ -1181,7 +1181,7 @@ static int overlay_removal_is_ok(struct overlay_changeset *remove_ovcs)
> * If an error is returned by an overlay changeset post-remove notifier
> * then no further overlay changeset post-remove notifier will be called.
> *
> - * Return: 0 on success, or a negative error number. *ovcs_id is set to
> + * Return: 0 on success, or a negative error number. @ovcs_id is set to
> * zero after reverting the changeset, even if a subsequent error occurs.
> */
> int of_overlay_remove(int *ovcs_id)
>

The change results in incorrect information. I am guessing that "@*ovcs_id"
would not be valid syntax (I have not tried it). The changed version says
that the pointer ovcs_id is changed to zero, but the actual action is to
change the value pointed to by ovcs_id is changed to zero. Is there a
valid syntax to say this?

-Frank

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