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path: root/net/dccp/ccids/ccid2.c
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Diffstat (limited to 'net/dccp/ccids/ccid2.c')
-rw-r--r--net/dccp/ccids/ccid2.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index 747fa1c..237007b 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -171,11 +171,6 @@ static void ccid2_change_srtt(struct ccid2_hc_tx_sock *hctx, long val)
hctx->ccid2hctx_srtt = val;
}
-static void ccid2_change_pipe(struct ccid2_hc_tx_sock *hctx, long val)
-{
- hctx->ccid2hctx_pipe = val;
-}
-
static void ccid2_start_rto_timer(struct sock *sk);
static void ccid2_hc_tx_rto_expire(unsigned long data)
@@ -205,11 +200,11 @@ static void ccid2_hc_tx_rto_expire(unsigned long data)
ccid2_start_rto_timer(sk);
/* adjust pipe, cwnd etc */
- ccid2_change_pipe(hctx, 0);
hctx->ccid2hctx_ssthresh = hctx->ccid2hctx_cwnd / 2;
if (hctx->ccid2hctx_ssthresh < 2)
hctx->ccid2hctx_ssthresh = 2;
hctx->ccid2hctx_cwnd = 1;
+ hctx->ccid2hctx_pipe = 0;
/* clear state about stuff we sent */
hctx->ccid2hctx_seqt = hctx->ccid2hctx_seqh;
@@ -248,8 +243,7 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, unsigned int len)
BUG_ON(!hctx->ccid2hctx_sendwait);
hctx->ccid2hctx_sendwait = 0;
- ccid2_change_pipe(hctx, hctx->ccid2hctx_pipe + 1);
- BUG_ON(hctx->ccid2hctx_pipe < 0);
+ hctx->ccid2hctx_pipe++;
/* There is an issue. What if another packet is sent between
* packet_send() and packet_sent(). Then the sequence number would be
@@ -519,8 +513,10 @@ static void ccid2_hc_tx_dec_pipe(struct sock *sk)
{
struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk);
- ccid2_change_pipe(hctx, hctx->ccid2hctx_pipe-1);
- BUG_ON(hctx->ccid2hctx_pipe < 0);
+ if (hctx->ccid2hctx_pipe == 0)
+ DCCP_BUG("pipe == 0");
+ else
+ hctx->ccid2hctx_pipe--;
if (hctx->ccid2hctx_pipe == 0)
ccid2_hc_tx_kill_rto_timer(sk);