Re: [PATCH] tipc: mark expected switch fall-throughs

From: Ying Xue
Date: Thu Jul 05 2018 - 02:02:40 EST


On 07/05/2018 05:13 AM, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
>
> Warning level 2 was used: -Wimplicit-fallthrough=2
>
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>

Acked-by: Ying Xue <ying.xue@xxxxxxxxxxxxx>

> ---
> net/tipc/bearer.c | 1 +
> net/tipc/link.c | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
> index 2dfb492..fd6d8f1 100644
> --- a/net/tipc/bearer.c
> +++ b/net/tipc/bearer.c
> @@ -610,6 +610,7 @@ static int tipc_l2_device_event(struct notifier_block *nb, unsigned long evt,
> case NETDEV_CHANGE:
> if (netif_carrier_ok(dev))
> break;
> + /* else: fall through */
> case NETDEV_UP:
> test_and_set_bit_lock(0, &b->up);
> break;
> diff --git a/net/tipc/link.c b/net/tipc/link.c
> index 695acb7..6386032 100644
> --- a/net/tipc/link.c
> +++ b/net/tipc/link.c
> @@ -1063,6 +1063,7 @@ static bool tipc_data_input(struct tipc_link *l, struct sk_buff *skb,
> skb_queue_tail(mc_inputq, skb);
> return true;
> }
> + /* else: fall through */
> case CONN_MANAGER:
> skb_queue_tail(inputq, skb);
> return true;
>