[CCID2/3]: Initialisation assignments of 0 are redundant
Assigning initial values of `0' is redundant when loading a new CCID structure, since in net/dccp/ccid.c the entire CCID structure is zeroed out prior to initialisation in ccid_new(): struct ccid { struct ccid_operations *ccid_ops; char ccid_priv[0]; }; // ... if (rx) { memset(ccid + 1, 0, ccid_ops->ccid_hc_rx_obj_size); if (ccid->ccid_ops->ccid_hc_rx_init != NULL && ccid->ccid_ops->ccid_hc_rx_init(ccid, sk) != 0) goto out_free_ccid; } else { memset(ccid + 1, 0, ccid_ops->ccid_hc_tx_obj_size); /* analogous to the rx case */ } This patch therefore removes the redundant assignments. Thanks to Arnaldo for the inspiration. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -750,20 +750,16 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
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*/
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hctx->ccid2hctx_ssthresh = ~0;
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hctx->ccid2hctx_numdupack = 3;
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hctx->ccid2hctx_seqbufc = 0;
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/* XXX init ~ to window size... */
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if (ccid2_hc_tx_alloc_seq(hctx))
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return -ENOMEM;
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hctx->ccid2hctx_sent = 0;
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hctx->ccid2hctx_rto = 3 * HZ;
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ccid2_change_srtt(hctx, -1);
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hctx->ccid2hctx_rttvar = -1;
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hctx->ccid2hctx_lastrtt = 0;
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hctx->ccid2hctx_rpdupack = -1;
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hctx->ccid2hctx_last_cong = jiffies;
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hctx->ccid2hctx_high_ack = 0;
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hctx->ccid2hctx_rtotimer.function = &ccid2_hc_tx_rto_expire;
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hctx->ccid2hctx_rtotimer.data = (unsigned long)sk;
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@ -604,8 +604,6 @@ static int ccid3_hc_tx_init(struct ccid *ccid, struct sock *sk)
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{
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struct ccid3_hc_tx_sock *hctx = ccid_priv(ccid);
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hctx->ccid3hctx_s = 0;
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hctx->ccid3hctx_rtt = 0;
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hctx->ccid3hctx_state = TFRC_SSTATE_NO_SENT;
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INIT_LIST_HEAD(&hctx->ccid3hctx_hist);
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@ -966,8 +964,6 @@ static int ccid3_hc_rx_init(struct ccid *ccid, struct sock *sk)
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INIT_LIST_HEAD(&hcrx->ccid3hcrx_li_hist);
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hcrx->ccid3hcrx_tstamp_last_feedback =
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hcrx->ccid3hcrx_tstamp_last_ack = ktime_get_real();
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hcrx->ccid3hcrx_s = 0;
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hcrx->ccid3hcrx_rtt = 0;
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return 0;
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}
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