linux-kernel - Re: [PATCHv2 2/5] sctp: implement pluggable multistream scheduling

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Date:	Sun, 19 Sep 2010 14:56:22 -0400
From:	Yaogong Wang <ywang15@...u.edu>
To:	Vlad Yasevich <vladislav.yasevich@...com>
Cc:	linux-sctp@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2 2/5] sctp: implement pluggable multistream scheduling

Signed-off-by: Yaogong Wang <ywang15@...u.edu>
---
 net/sctp/protocol.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index d40c5cc..0121def 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1310,11 +1310,13 @@ SCTP_STATIC __init int sctp_init(void)
 	/* Add FCFS to sctp_sched_list */
 	status = sctp_register_sched(&sctp_fcfs);
 	if (status)
-		goto err_v6_add_protocol;
+		goto err_register_sched;

 	status = 0;
 out:
 	return status;
+err_register_sched:
+	sctp_v6_del_protocol();
 err_v6_add_protocol:
 	sctp_v4_del_protocol();
 err_add_protocol:
-- 
1.7.0.4



On Mon, Sep 13, 2010 at 9:45 AM, Vlad Yasevich
<vladislav.yasevich@...com> wrote:
> One small nit.
>
> On 09/11/2010 09:12 PM, Yaogong Wang wrote:
>> Implement the pluggable multistream scheduling framework.
>> Provide the default first-come-first-serve (FCFS) algorithm.
>>
>> Signed-off-by: Yaogong Wang <ywang15@...u.edu>
>> ---
>> diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
>> index 5027b83..d40c5cc 100644
>> --- a/net/sctp/protocol.c
>> +++ b/net/sctp/protocol.c
>> @@ -1157,6 +1157,9 @@ SCTP_STATIC __init int sctp_init(void)
>>       sctp_max_instreams              = SCTP_DEFAULT_INSTREAMS;
>>       sctp_max_outstreams             = SCTP_DEFAULT_OUTSTREAMS;
>>
>> +     /* Initialize default multistream scheduling algorithm to FCFS */
>> +     sctp_default_sched_ops          = &sctp_fcfs;
>> +
>>       /* Initialize handle used for association ids. */
>>       idr_init(&sctp_assocs_id);
>>
>> @@ -1304,6 +1307,11 @@ SCTP_STATIC __init int sctp_init(void)
>>       if (status)
>>               goto err_v6_add_protocol;
>>
>> +     /* Add FCFS to sctp_sched_list */
>> +     status = sctp_register_sched(&sctp_fcfs);
>> +     if (status)
>> +             goto err_v6_add_protocol;
>> +
>
> This needs its own tag that will call sctp_v6_del_protocol().
>
> -vlad
>
>>       status = 0;
>>  out:
>>       return status;
--
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