pkt_sched: fix error return code in fw_change_attrs()

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@trendmicro.com.cn>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 1135d8227f9b..9b97172db84a 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)