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authorGerrit Renker <gerrit@erg.abdn.ac.uk>2006-11-28 19:55:06 -0200
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:31:02 -0800
commit6b57c93dc3aa0115b589cb89ef862d46ab9bd95e (patch)
treef825b1288d7839ade26225bb0a630540e38ffe41 /net/dccp/output.c
parenta79ef76f4d8424324c2f108824a7398571193f43 (diff)
downloadop-kernel-dev-6b57c93dc3aa0115b589cb89ef862d46ab9bd95e.zip
op-kernel-dev-6b57c93dc3aa0115b589cb89ef862d46ab9bd95e.tar.gz
[DCCP]: Use `unsigned' for packet lengths
This patch implements a suggestion by Ian McDonald and 1) Avoids tests against negative packet lengths by using unsigned int for packet payload lengths in the CCID send_packet()/packet_sent() routines 2) As a consequence, it removes an now unnecessary test with regard to `len > 0' in ccid3_hc_tx_packet_sent: that condition is always true, since * negative packet lengths are avoided * ccid3_hc_tx_send_packet flags an error whenever the payload length is 0. As a consequence, ccid3_hc_tx_packet_sent is never called as all errors returned by ccid_hc_tx_send_packet are caught in dccp_write_xmit 3) Removes the third argument of ccid_hc_tx_send_packet (the `len' parameter), since it is currently always set to skb->len. The code is updated with regard to this parameter change. 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@mandriva.com>
Diffstat (limited to 'net/dccp/output.c')
-rw-r--r--net/dccp/output.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/net/dccp/output.c b/net/dccp/output.c
index bfd9c57..400c30b 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -195,8 +195,7 @@ static int dccp_wait_for_ccid(struct sock *sk, struct sk_buff *skb,
if (signal_pending(current))
goto do_interrupted;
- rc = ccid_hc_tx_send_packet(dp->dccps_hc_tx_ccid, sk, skb,
- skb->len);
+ rc = ccid_hc_tx_send_packet(dp->dccps_hc_tx_ccid, sk, skb);
if (rc <= 0)
break;
delay = msecs_to_jiffies(rc);
@@ -245,8 +244,7 @@ void dccp_write_xmit(struct sock *sk, int block)
this we have other issues */
while ((skb = skb_peek(&sk->sk_write_queue))) {
- int err = ccid_hc_tx_send_packet(dp->dccps_hc_tx_ccid, sk, skb,
- skb->len);
+ int err = ccid_hc_tx_send_packet(dp->dccps_hc_tx_ccid, sk, skb);
if (err > 0) {
if (!block) {
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