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SubjectRe: [Xen-devel] [PATCH net-next] xen-netback: mark expected switch fall-through
>>> On 08.02.19 at 20:58, <gustavo@embeddedor.com> wrote:
> In preparation to enabling -Wimplicit-fallthrough, mark switch
> cases where we are expecting to fall through.
>
> Warning level 3 was used: -Wimplicit-fallthrough=3
>
> This patch is part of the ongoing efforts to enabling
> -Wimplicit-fallthrough.
>
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
> ---
> drivers/net/xen-netback/xenbus.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/xen-netback/xenbus.c
> b/drivers/net/xen-netback/xenbus.c
> index 2625740bdc4a..330ddb64930f 100644
> --- a/drivers/net/xen-netback/xenbus.c
> +++ b/drivers/net/xen-netback/xenbus.c
> @@ -655,7 +655,7 @@ static void frontend_changed(struct xenbus_device *dev,
> set_backend_state(be, XenbusStateClosed);
> if (xenbus_dev_is_online(dev))
> break;
> - /* fall through if not online */
> + /* fall through - if not online */
> case XenbusStateUnknown:

Considering the fall-through was already annotated, I don't think
title and description really justify the change. Is the compiler after
a particular wording here?

Jan


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