From patchwork Tue Feb 19 02:59:10 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [nf-next, 1/2] netfilter: ebt_ulog: remove useless spin lock protection Date: Mon, 18 Feb 2013 16:59:10 -0000 From: Gao feng X-Patchwork-Id: 221606 Message-Id: <1361242751-20827-1-git-send-email-gaofeng@cn.fujitsu.com> To: pablo@netfilter.org Cc: netfilter-devel@vger.kernel.org, Gao feng when removing the module ebt_ulog,expect ebt_ulog_fini, there are no other codes to operate ebt_ulog_buffer's skb. So it is no need to add spin lock protection in ebt_ulog_fini. Signed-off-by: Gao feng --- net/bridge/netfilter/ebt_ulog.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c index 3bf43f7..442b032 100644 --- a/net/bridge/netfilter/ebt_ulog.c +++ b/net/bridge/netfilter/ebt_ulog.c @@ -319,12 +319,11 @@ static void __exit ebt_ulog_fini(void) for (i = 0; i < EBT_ULOG_MAXNLGROUPS; i++) { ub = &ulog_buffers[i]; del_timer(&ub->timer); - spin_lock_bh(&ub->lock); + if (ub->skb) { kfree_skb(ub->skb); ub->skb = NULL; } - spin_unlock_bh(&ub->lock); } netlink_kernel_release(ebtulognl); }