netdev - [PATCH] pkt_sched: fix error return code in fw_change

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Message-ID: <CAPgLHd95QQdDTck-LdeR=XxZSyobo6fvP45hQvy_z9OiX0op7w@mail.gmail.com>
Date:	Thu, 18 Apr 2013 10:37:59 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	jhs@...atatu.com, davem@...emloft.net
Cc:	yongjun_wei@...ndmicro.com.cn, netdev@...r.kernel.org
Subject: [PATCH] pkt_sched: fix error return code in fw_change_attrs()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

Fix to return -EINVAL when tb[TCA_FW_MASK] is set and head->mask != 0xFFFFFFFF
instead of 0 (ifdef CONFIG_NET_CLS_IND and tb[TCA_FW_INDEV]), as done elsewhere
in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 net/sched/cls_fw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 1135d82..9b97172 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -204,7 +204,6 @@ fw_change_attrs(struct net *net, struct tcf_proto *tp, struct fw_filter *f,
 	if (err < 0)
 		return err;
 
-	err = -EINVAL;
 	if (tb[TCA_FW_CLASSID]) {
 		f->res.classid = nla_get_u32(tb[TCA_FW_CLASSID]);
 		tcf_bind_filter(tp, &f->res, base);
@@ -218,6 +217,7 @@ fw_change_attrs(struct net *net, struct tcf_proto *tp, struct fw_filter *f,
 	}
 #endif /* CONFIG_NET_CLS_IND */
 
+	err = -EINVAL;
 	if (tb[TCA_FW_MASK]) {
 		mask = nla_get_u32(tb[TCA_FW_MASK]);
 		if (mask != head->mask)

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