sctp: remove the repeat initialize with 0

kmem_cache_zalloc had set the allocated memory to zero. I think no need
to initialize with 0. And move the comments to the function begin.

Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
wangweidong 2013-10-26 16:06:31 +08:00 committed by David S. Miller
parent 2bccbadf20
commit 3dc0a548a0

View File

@ -1297,6 +1297,13 @@ struct sctp_chunk *sctp_make_auth(const struct sctp_association *asoc)
/* Turn an skb into a chunk.
* FIXME: Eventually move the structure directly inside the skb->cb[].
*
* sctpimpguide-05.txt Section 2.8.2
* M1) Each time a new DATA chunk is transmitted
* set the 'TSN.Missing.Report' count for that TSN to 0. The
* 'TSN.Missing.Report' count will be used to determine missing chunks
* and when to fast retransmit.
*
*/
struct sctp_chunk *sctp_chunkify(struct sk_buff *skb,
const struct sctp_association *asoc,
@ -1314,30 +1321,10 @@ struct sctp_chunk *sctp_chunkify(struct sk_buff *skb,
INIT_LIST_HEAD(&retval->list);
retval->skb = skb;
retval->asoc = (struct sctp_association *)asoc;
retval->has_tsn = 0;
retval->has_ssn = 0;
retval->rtt_in_progress = 0;
retval->sent_at = 0;
retval->singleton = 1;
retval->end_of_packet = 0;
retval->ecn_ce_done = 0;
retval->pdiscard = 0;
/* sctpimpguide-05.txt Section 2.8.2
* M1) Each time a new DATA chunk is transmitted
* set the 'TSN.Missing.Report' count for that TSN to 0. The
* 'TSN.Missing.Report' count will be used to determine missing chunks
* and when to fast retransmit.
*/
retval->tsn_missing_report = 0;
retval->tsn_gap_acked = 0;
retval->fast_retransmit = SCTP_CAN_FRTX;
/* If this is a fragmented message, track all fragments
* of the message (for SEND_FAILED).
*/
retval->msg = NULL;
/* Polish the bead hole. */
INIT_LIST_HEAD(&retval->transmitted_list);
INIT_LIST_HEAD(&retval->frag_list);