netdev - Re: [PATCH net-next v2 2/2] net: sctp: rework debugging framework to use pr

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Date:	Thu, 27 Jun 2013 17:14:32 +0200
From:	Daniel Borkmann <dborkman@...hat.com>
To:	Joe Perches <joe@...ches.com>
CC:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-sctp@...r.kernel.org
Subject: Re: [PATCH net-next v2 2/2] net: sctp: rework debugging framework
 to use pr_debug and friends

On 06/27/2013 04:49 PM, Joe Perches wrote:
> On Thu, 2013-06-27 at 11:43 +0200, Daniel Borkmann wrote:
>>    - Changed %pIg into %pIS, thanks Joe Perches
>
> Hi Daniel.
>
>> diff --git a/net/sctp/associola.c b/net/sctp/associola.c
> []
>> +	pr_debug("%s: association:%p addr:%pIS port:%d\n",
>> +		 __func__, asoc, &peer->ipaddr.sa,
>> +		 ntohs(peer->ipaddr.v4.sin_port));
>
> This is why I think %pIS should have an option
> to print port/flow, etc.

Ok, agreed, that will be more clean and can be applied there.

I'll work that in, and when finished send a 3rd version of the set.

Thanks Joe!

> In this case it's using v4 and you are mixing
> unknown and known forms.  It looks untidy.
> You should probably use peer->sa.sin_port instead.
>
>> @@ -636,12 +638,8 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
>>   	/* AF_INET and AF_INET6 share common port field. */
>>   	port = ntohs(addr->v4.sin_port);
>>
>> -	SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_add_peer:association %p addr: ",
>> -				 " port: %d state:%d\n",
>> -				 asoc,
>> -				 addr,
>> -				 port,
>> -				 peer_state);
>> +	pr_debug("%s: association:%p addr:%pIS port:%d state:%d\n", __func__,
>> +		 asoc, &addr->sa,port , peer_state);
>
> here too, but port may be unused when !CONFIG_DEBUG
>
> I didn't look at the rest of the patch.
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