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netfilter: ebt_ulog: remove unnecessary spin lock protection

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No need for spinlock to protect the netlink skb in the
ebt_ulog_fini path. We are sure there is noone using it
at that stage.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Gao feng 2013-02-18 16:59:10 +00:00 • committed by Pablo Neira Ayuso
parent d00bd3d4fb
commit fa900b9cf5
1 changed files with 1 additions and 2 deletions
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3
net/bridge/netfilter/ebt_ulog.c
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@ -319,12 +319,11 @@ static void __exit ebt_ulog_fini(void)
for (i = 0; i < EBT_ULOG_MAXNLGROUPS; i++) { for (i = 0; i < EBT_ULOG_MAXNLGROUPS; i++) {
ub = &ulog_buffers[i]; ub = &ulog_buffers[i];
del_timer(&ub->timer); del_timer(&ub->timer);
spin_lock_bh(&ub->lock);
if (ub->skb) { if (ub->skb) {
kfree_skb(ub->skb); kfree_skb(ub->skb);
ub->skb = NULL; ub->skb = NULL;
} }
spin_unlock_bh(&ub->lock);
} }
netlink_kernel_release(ebtulognl); netlink_kernel_release(ebtulognl);
} }