This considers the case - ACK received while no packet has been sent
so far. Resolved by printing a (rate-limited) warning message.
Further removes an unnecessary BUG_ON in ccid3_hc_tx_packet_recv,
received feedback on a terminating connection is simply ignored.
Signed-off-by: Gerrit Renker <gerrit@xxxxxxxxxxxxxx>
Signed-off-by: Ian McDonald <ian.mcdonald@xxxxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxx>
---
net/dccp/ccids/ccid3.c | 9 ++++-----
1 files changed, 4 insertions(+), 5 deletions(-)
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 58f7cac..6777a7f 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -413,9 +413,6 @@ static void ccid3_hc_tx_packet_recv(stru
pinv = opt_recv->ccid3or_loss_event_rate;
switch (hctx->ccid3hctx_state) {
- case TFRC_SSTATE_NO_SENT:
- /* FIXME: what to do here? */
- return;
case TFRC_SSTATE_NO_FBACK:
case TFRC_SSTATE_FBACK:
/* Calculate new round trip sample by
@@ -521,8 +518,10 @@ static void ccid3_hc_tx_packet_recv(stru
/* set idle flag */
hctx->ccid3hctx_idle = 1;
break;
- case TFRC_SSTATE_TERM:
- DCCP_BUG("Illegal %s state TERM, sk=%p", dccp_role(sk), sk);
+ case TFRC_SSTATE_NO_SENT:
+ DCCP_WARN("Illegal ACK received - no packet has been sent\n");
+ /* fall through */
+ case TFRC_SSTATE_TERM: /* ignore feedback when closing */
break;
}
}
--
1.4.2.1.g3d5c
-
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