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netfilter: nf_conncount: fix argument order to find_next_bit 

Size and 'next bit' were swapped, this bug could cause worker to
reschedule itself even if system was idle.

Fixes: 5c789e131c ("netfilter: nf_conncount: Add list lock and gc worker, and RCU for init tree search")
Reviewed-by: Shawn Bohrer <sbohrer@cloudflare.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal 2018-12-28 01:24:49 +01:00 committed by Pablo Neira Ayuso
parent c80f10bc97
commit a007232066
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/nf_conncount.c
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@ -488,7 +488,7 @@ next:
clear_bit(tree, data->pending_trees);
next_tree = (tree + 1) % CONNCOUNT_SLOTS;
next_tree = find_next_bit(data->pending_trees, next_tree, CONNCOUNT_SLOTS);
next_tree = find_next_bit(data->pending_trees, CONNCOUNT_SLOTS, next_tree);
if (next_tree < CONNCOUNT_SLOTS) {
data->gc_tree = next_tree;