netdev - Re: [PATCH] netfilter: mark expected switch fall-throughs

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Message-ID: <20171107073045.Horde.fHvUlYL1jmnkY_bpuXRFqCR@gator4166.hostgator.com>
Date:   Tue, 07 Nov 2017 07:30:45 -0600
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Pablo Neira Ayuso <pablo@...filter.org>
Cc:     Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
        Florian Westphal <fw@...len.de>,
        "David S. Miller" <davem@...emloft.net>,
        Wensong Zhang <wensong@...ux-vs.org>,
        Simon Horman <horms@...ge.net.au>,
        Julian Anastasov <ja@....bg>, netfilter-devel@...r.kernel.org,
        coreteam@...filter.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, lvs-devel@...r.kernel.org
Subject: Re: [PATCH] netfilter: mark expected switch fall-throughs

Hello Pablo,

Quoting Pablo Neira Ayuso <pablo@...filter.org>:

> Hi Gustavo,
>
> On Thu, Oct 19, 2017 at 09:06:16AM -0500, Gustavo A. R. Silva wrote:
>> diff --git a/net/netfilter/ipset/ip_set_core.c  
>> b/net/netfilter/ipset/ip_set_core.c
>> index cf84f7b..72f654a 100644
>> --- a/net/netfilter/ipset/ip_set_core.c
>> +++ b/net/netfilter/ipset/ip_set_core.c
>> @@ -1386,7 +1386,8 @@ ip_set_dump_start(struct sk_buff *skb, struct  
>> netlink_callback *cb)
>>  				goto next_set;
>>  			if (set->variant->uref)
>>  				set->variant->uref(set, cb, true);
>> -			/* Fall through and add elements */
>> +			/* add elements */
>> +			/* fall through */
>
> Just replace this comment by /* fall through */, I think it's enough
> to remember that this is intentional.

OK. Will do.

>
>>  		default:
>>  			rcu_read_lock_bh();
>>  			ret = set->variant->list(set, skb, cb);
> [...]
>> diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
>> index d8571f4..fa5cdd0 100644
>> --- a/net/netfilter/x_tables.c
>> +++ b/net/netfilter/x_tables.c
>> @@ -1382,7 +1382,8 @@ static void *xt_mttg_seq_next(struct seq_file  
>> *seq, void *v, loff_t *ppos,
>>  		trav->curr = trav->curr->next;
>>  		if (trav->curr != trav->head)
>>  			break;
>> -		/* fallthru, _stop will unlock */
>> +		/* _stop will unlock */
>
> Same thing here, thanks!

OK. I will send v2 shortly.

Thanks for your comments
--
Gustavo A. R. Silva