netdev - Re: [PATCH net-next 9/9] net: sctp: sctp_ulpq: do not use char as a struct member

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Date:	Wed, 17 Apr 2013 17:41:46 +0200
From:	Daniel Borkmann <dborkman@...hat.com>
To:	Vlad Yasevich <vyasevich@...il.com>
CC:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-sctp@...r.kernel.org
Subject: Re: [PATCH net-next 9/9] net: sctp: sctp_ulpq: do not use char as
 a struct member

On 04/17/2013 05:36 PM, Vlad Yasevich wrote:
> On 04/16/2013 05:07 PM, Daniel Borkmann wrote:
>> Replace char with a more appropriate __u8 bitfield for pd_mode.
>>
>> Signed-off-by: Daniel Borkmann <dborkman@...hat.com>
>> ---
>>   include/net/sctp/ulpqueue.h | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/include/net/sctp/ulpqueue.h b/include/net/sctp/ulpqueue.h
>> index 00e50ba..a2bebd4 100644
>> --- a/include/net/sctp/ulpqueue.h
>> +++ b/include/net/sctp/ulpqueue.h
>> @@ -49,10 +49,10 @@
>>
>>   /* A structure to carry information to the ULP (e.g. Sockets API) */
>>   struct sctp_ulpq {
>> -    char pd_mode;
>>       struct sctp_association *asoc;
>>       struct sk_buff_head reasm;
>>       struct sk_buff_head lobby;
>> +    __u8 pd_mode:1;
>>   };
>>
>>   /* Prototypes. */
>
> This one is a bit pointless.  You are not saving any space and making generated code worse.

Right, this one should be dropped, if Dave wants me to resubmit from
0 to 8, I can do that, otherwise just this one can be left out.
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