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authorGerrit Renker <gerrit@erg.abdn.ac.uk>2007-09-25 22:42:27 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:52:37 -0700
commitb0d045ca45a44d9f8bd66d0a10558b10c60f895a (patch)
treebdeaf09e5911fb27186e2840133f69e95fb025b5 /net
parente155d7692290f7bc539ccb8ebc3450ec964e53fd (diff)
[DCCP]: Parameter renaming
The parameter `seq' of dccp_send_sync() is in fact an acknowledgement number and not a sequence number - thus renamed by this patch into `ackno'. Secondly, a `critical' warning is added when a Sync/SyncAck could not be sent. Sanity: I have checked all other functions that are called in dccp_transmit_skb, there are no clashes with the use of dccpd_ack_seq; no other function is using this slot at the same time. 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@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/dccp/output.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/net/dccp/output.c b/net/dccp/output.c
index c8d843e983f..6e23d5b57e7 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -69,7 +69,7 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
case DCCP_PKT_SYNC:
case DCCP_PKT_SYNCACK:
- ackno = dcb->dccpd_seq;
+ ackno = dcb->dccpd_ack_seq;
/* fall through */
default:
/*
@@ -507,7 +507,7 @@ void dccp_send_delayed_ack(struct sock *sk)
sk_reset_timer(sk, &icsk->icsk_delack_timer, timeout);
}
-void dccp_send_sync(struct sock *sk, const u64 seq,
+void dccp_send_sync(struct sock *sk, const u64 ackno,
const enum dccp_pkt_type pkt_type)
{
/*
@@ -517,14 +517,16 @@ void dccp_send_sync(struct sock *sk, const u64 seq,
*/
struct sk_buff *skb = alloc_skb(sk->sk_prot->max_header, GFP_ATOMIC);
- if (skb == NULL)
+ if (skb == NULL) {
/* FIXME: how to make sure the sync is sent? */
+ DCCP_CRIT("could not send %s", dccp_packet_name(pkt_type));
return;
+ }
/* Reserve space for headers and prepare control bits. */
skb_reserve(skb, sk->sk_prot->max_header);
DCCP_SKB_CB(skb)->dccpd_type = pkt_type;
- DCCP_SKB_CB(skb)->dccpd_seq = seq;
+ DCCP_SKB_CB(skb)->dccpd_ack_seq = ackno;
dccp_transmit_skb(sk, skb);
}