sctp: use list_move_tail instead of list_del/list_add_tail
Using list_move_tail() instead of list_del() + list_add_tail(). spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -591,9 +591,8 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt,
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* next chunk.
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*/
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if (chunk->tsn_gap_acked) {
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list_del(&chunk->transmitted_list);
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list_add_tail(&chunk->transmitted_list,
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&transport->transmitted);
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list_move_tail(&chunk->transmitted_list,
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&transport->transmitted);
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continue;
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}
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@ -657,9 +656,8 @@ redo:
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/* The append was successful, so add this chunk to
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* the transmitted list.
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*/
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list_del(&chunk->transmitted_list);
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list_add_tail(&chunk->transmitted_list,
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&transport->transmitted);
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list_move_tail(&chunk->transmitted_list,
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&transport->transmitted);
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/* Mark the chunk as ineligible for fast retransmit
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* after it is retransmitted.
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