netdev - [net-next PATCH v2 4/4] net: sched: cls_fw: add missing tcf_exts_init call in fw

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Message-ID: <20140916063141.2905.59421.stgit@nitbit.x32>
Date:	Mon, 15 Sep 2014 23:31:42 -0700
From:	John Fastabend <john.fastabend@...il.com>
To:	xiyou.wangcong@...il.com, davem@...emloft.net,
	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org, jhs@...atatu.com
Subject: [net-next PATCH v2 4/4] net: sched: cls_fw: add missing
 tcf_exts_init call in fw_change()

When allocating a new structure we also need to call tcf_exts_init
to initialize exts.

A follow up patch might be in order to remove some of this code
and do tcf_exts_assign(). With this we could remove the
tcf_exts_init/tcf_exts_change pattern for some of the classifiers.
As part of the future tcf_actions RCU series this will need to be
done. For now fix the call here.

Signed-off-by: John Fastabend <john.r.fastabend@...el.com>
---
 net/sched/cls_fw.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 006b45a..2650285 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -264,6 +264,8 @@ static int fw_change(struct net *net, struct sk_buff *in_skb,
 #endif /* CONFIG_NET_CLS_IND */
 		fnew->tp = f->tp;
 
+		tcf_exts_init(&fnew->exts, TCA_FW_ACT, TCA_FW_POLICE);
+
 		err = fw_change_attrs(net, tp, fnew, tb, tca, base, ovr);
 		if (err < 0) {
 			kfree(fnew);

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