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netfilter: nf_conntrack: fix crash when unloading helpers 

Commit ea781f197d (netfilter: nf_conntrack: use SLAB_DESTROY_BY_RCU and)
get rid of call_rcu() was missing one conversion to the hlist_nulls
functions, causing a crash when unloading conntrack helper modules.

Reported-and-tested-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Patrick McHardy 2009-04-15 12:45:08 +02:00
parent b6f0a3652e
commit 38fb0afcd8
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/nf_conntrack_helper.c
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@ -176,7 +176,7 @@ static void __nf_conntrack_helper_unregister(struct nf_conntrack_helper *me,
}
/* Get rid of expecteds, set helpers to NULL. */
hlist_for_each_entry(h, nn, &net->ct.unconfirmed, hnnode)
hlist_nulls_for_each_entry(h, nn, &net->ct.unconfirmed, hnnode)
unhelp(h, me);
for (i = 0; i < nf_conntrack_htable_size; i++) {
hlist_nulls_for_each_entry(h, nn, &net->ct.hash[i], hnnode)