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[DCCP]: Warn when discarding packet due to internal errors 

This adds a (debug) warning message which is triggered whenever a packet is
discarded due to send failure.

It also adds a conditional, so that an interruption during dccp_wait_for_ccid
is not treated as a `BUG': the rationale is that interruptions are external,
whereas bug warnings are concerned with the internals.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Gerrit Renker 2006-12-10 00:05:12 -02:00 committed by David S. Miller
parent bf58a381e8
commit f6282f4da5
1 changed files with 4 additions and 2 deletions
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6
net/dccp/output.c
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@ -241,7 +241,7 @@ void dccp_write_xmit(struct sock *sk, int block)
break; break;
} else } else
err = dccp_wait_for_ccid(sk, skb); err = dccp_wait_for_ccid(sk, skb);
if (err) if (err && err != -EINTR)
DCCP_BUG("err=%d after dccp_wait_for_ccid", err); DCCP_BUG("err=%d after dccp_wait_for_ccid", err);
} }
@ -267,10 +267,12 @@ void dccp_write_xmit(struct sock *sk, int block)
if (err) if (err)
DCCP_BUG("err=%d after ccid_hc_tx_packet_sent", DCCP_BUG("err=%d after ccid_hc_tx_packet_sent",
err); err);
} else } else {
dccp_pr_debug("packet discarded\n");
kfree(skb); kfree(skb);
} }
} }
}
int dccp_retransmit_skb(struct sock *sk, struct sk_buff *skb) int dccp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
{ {