Re: [Qemu-devel] [PATCH] qapi: Make visit_next_list()'s comment less confusing

[Eric Blake <eblake@redhat.com>]

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On 8/2/19 7:23 AM, Markus Armbruster wrote:
> visit_next_list() returns non-null on success, null on failure.  The
> comment's phrasing "until NULL return or error occurs" is needlessly
> confusing.  Scratch the "or error occurs" part.
> 
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> ---
>  include/qapi/visitor.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

Reviewed-by: Eric Blake <eblake@redhat.com>

> 
> diff --git a/include/qapi/visitor.h b/include/qapi/visitor.h
> index 5b2ed3f202..c5b23851a1 100644
> --- a/include/qapi/visitor.h
> +++ b/include/qapi/visitor.h
> @@ -364,10 +364,10 @@ void visit_start_list(Visitor *v, const char *name, GenericList **list,
>   * @tail must not be NULL; on the first call, @tail is the value of
>   * *list after visit_start_list(), and on subsequent calls @tail must
>   * be the previously returned value.  Should be called in a loop until
> - * a NULL return or error occurs; for each non-NULL return, the caller
> - * then calls the appropriate visit_type_*() for the element type of
> - * the list, with that function's name parameter set to NULL and obj
> - * set to the address of @tail->value.
> + * a NULL return; for each non-NULL return, the caller then calls the
> + * appropriate visit_type_*() for the element type of the list, with
> + * that function's name parameter set to NULL and obj set to the
> + * address of @tail->value.
>   */
>  GenericList *visit_next_list(Visitor *v, GenericList *tail, size_t size);
>  
> 

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org


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