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authorwangweidong <wangweidong1@huawei.com>2013-10-26 16:06:31 +0800
committerDavid S. Miller <davem@davemloft.net>2013-10-28 01:02:34 -0400
commit3dc0a548a096c67e91ef3d8f6ca39466058b1725 (patch)
tree74b108a7790bc3f0de52cf9a2e51f3ddf93b8d33
parent2bccbadf2058b2453ea5f94bdee8b793f8e9331d (diff)
downloadop-kernel-dev-3dc0a548a096c67e91ef3d8f6ca39466058b1725.zip
op-kernel-dev-3dc0a548a096c67e91ef3d8f6ca39466058b1725.tar.gz
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>
-rw-r--r--net/sctp/sm_make_chunk.c29
1 files changed, 8 insertions, 21 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index d244a23..fe69032 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -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,
@@ -1314,29 +1321,9 @@ 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;
+ retval->fast_retransmit = SCTP_CAN_FRTX;
/* Polish the bead hole. */
INIT_LIST_HEAD(&retval->transmitted_list);
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