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[DCCP]: Simplified conditions due to use of enum:8 states

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This reaps the benefit of the earlier patch, which changed the type of
CCID 3 states to use enums, in that many conditions are now simplified
and the number of possible (unexpected) values is greatly reduced.

In a few instances, this also allowed to simplify pre-conditions; where
care has been taken to retain logical equivalence.

[DCCP]: Introduce a consistent BUG/WARN message scheme

This refines the existing set of DCCP messages so that
 * BUG(), BUG_ON(), WARN_ON() have meaningful DCCP-specific counterparts
 * DCCP_CRIT (for severe warnings) is not rate-limited
 * DCCP_WARN() is introduced as rate-limited wrapper

Using these allows a faster and cleaner transition to their original
counterparts once the code has matured into a full DCCP implementation.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Gerrit Renker
2006-11-20 18:39:23 -02:00
committed by David S. Miller
parent b1308dc015
commit 59348b19ef
14 changed files with 115 additions and 156 deletions
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7
net/dccp/minisocks.c
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@@ -84,8 +84,7 @@ void dccp_time_wait(struct sock *sk, int state, int timeo)
* socket up. We've got bigger problems than
* non-graceful socket closings.
*/
LIMIT_NETDEBUG(KERN_INFO "DCCP: time wait bucket "
"table overflow\n");
DCCP_WARN("time wait bucket table overflow\n");
}
dccp_done(sk);
@@ -289,9 +288,7 @@ EXPORT_SYMBOL_GPL(dccp_child_process);
void dccp_reqsk_send_ack(struct sk_buff *skb, struct request_sock *rsk)
{
pr_info(KERN_WARNING "DCCP: ACK packets are never sent in "
"LISTEN/RESPOND state\n");
dump_stack();
DCCP_BUG("DCCP-ACK packets are never sent in LISTEN/RESPOND state");
}
EXPORT_SYMBOL_GPL(dccp_reqsk_send_ack);