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xfrm: Revert false event eliding commits.

Browse source 
As reported by Alexey Dobriyan:

--------------------
setkey now takes several seconds to run this simple script
and it spits "recv: Resource temporarily unavailable" messages.

#!/usr/sbin/setkey -f
flush;
spdflush;

add A B ipcomp 44 -m tunnel -C deflate;
add B A ipcomp 45 -m tunnel -C deflate;

spdadd A B any -P in ipsec
        ipcomp/tunnel/192.168.1.2-192.168.1.3/use;
spdadd B A any -P out ipsec
        ipcomp/tunnel/192.168.1.3-192.168.1.2/use;
--------------------

Obviously applications want the events even when the table
is empty.  So we cannot make this behavioral change.

Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
David S. Miller 2010-02-17 13:41:40 -08:00
commit 069c474e88
4 changed files with 9 additions and 20 deletions
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4
net/key/af_key.c
View file

@ -1751,7 +1751,7 @@ static int pfkey_flush(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hd
audit_info.secid = 0;
err = xfrm_state_flush(net, proto, &audit_info);
if (err)
return 0;
return err;
c.data.proto = proto;
c.seq = hdr->sadb_msg_seq;
c.pid = hdr->sadb_msg_pid;
@ -2713,7 +2713,7 @@ static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, struct sadb_msg
audit_info.secid = 0;
err = xfrm_policy_flush(net, XFRM_POLICY_TYPE_MAIN, &audit_info);
if (err)
return 0;
return err;
c.data.type = XFRM_POLICY_TYPE_MAIN;
c.event = XFRM_MSG_FLUSHPOLICY;
c.pid = hdr->sadb_msg_pid;