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netfilter: xt_hashlimit fix 

Commit 784544739a
(netfilter: iptables: lock free counters) broke xt_hashlimit netfilter module :

This module was storing a pointer inside its xt_hashlimit_info, and this pointer
is not relocated when we temporarly switch tables (iptables -L).

This hack is not not needed at all (probably a leftover from
ancient time), as each cpu should and can access to its own copy.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Eric Dumazet 2009-02-24 15:30:29 +01:00 committed by Patrick McHardy
parent d060ffc184
commit 28337ff543
1 changed files with 1 additions and 4 deletions
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5
net/netfilter/xt_hashlimit.c
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@ -565,8 +565,7 @@ hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo,
static bool
hashlimit_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par)
{
const struct xt_hashlimit_info *r =
((const struct xt_hashlimit_info *)par->matchinfo)->u.master;
const struct xt_hashlimit_info *r = par->matchinfo;
struct xt_hashlimit_htable *hinfo = r->hinfo;
unsigned long now = jiffies;
struct dsthash_ent *dh;
@ -702,8 +701,6 @@ static bool hashlimit_mt_check_v0(const struct xt_mtchk_param *par)
}
mutex_unlock(&hlimit_mutex);
/* Ugly hack: For SMP, we only want to use one set */
r->u.master = r;
return true;
}