Subject: Re: [PATCH net-next 3/5] sctp: if we done update ssnmap, free the new ssnmap

From: wangweidong <[email-masked]>
Date: Fri, 8 Nov 2013 12:30:24 +0800

On 2013/11/8 11:49, Vlad Yasevich wrote:
> On 11/07/2013 09:55 PM, Wang Weidong wrote:
>> I found that free the old parameters after update the peer parameters.
>> So we should free the new ssnmap which not updated.
>>
>> Signed-off-by: Wang Weidong <[email-masked]>
>> ---
>>   net/sctp/associola.c | 4 ++++
>>   1 file changed, 4 insertions(+)
>>
>> diff --git a/net/sctp/associola.c b/net/sctp/associola.c
>> index 2d53d4c..bca1ad1 100644
>> --- a/net/sctp/associola.c
>> +++ b/net/sctp/associola.c
>> @@ -1223,6 +1223,10 @@ void sctp_assoc_update(struct sctp_association *asoc,
>>           }
>>       }
>>
>> +    /* if we don't update the ssnmap, we should free it. */
>> +    if (new->ssnmap)
>> +        sctp_ssnmap_free(new->ssnmap);
>> +
>>       /* SCTP-AUTH: Save the peer parameters from the new assocaitions
>>        * and also move the association shared keys over
>>        */
>>
> 
> Not necessary.  This will be done when the 'new' association is destroyed.
> 
> -vlad
>

Yeah, it is not necessary done in sctp_assoc_update.
Thanks.