[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>
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@ -241,7 +241,7 @@ void dccp_write_xmit(struct sock *sk, int block)
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break;
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break;
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} else
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} else
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err = dccp_wait_for_ccid(sk, skb);
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err = dccp_wait_for_ccid(sk, skb);
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if (err)
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if (err && err != -EINTR)
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DCCP_BUG("err=%d after dccp_wait_for_ccid", err);
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DCCP_BUG("err=%d after dccp_wait_for_ccid", err);
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}
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}
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@ -267,10 +267,12 @@ void dccp_write_xmit(struct sock *sk, int block)
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if (err)
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if (err)
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DCCP_BUG("err=%d after ccid_hc_tx_packet_sent",
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DCCP_BUG("err=%d after ccid_hc_tx_packet_sent",
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err);
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err);
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} else
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} else {
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dccp_pr_debug("packet discarded\n");
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kfree(skb);
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kfree(skb);
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}
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}
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}
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}
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}
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int dccp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
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int dccp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
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{
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{
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