net: ipv6: rpl_iptunnel: simplify the return expression of rpl_do_srh()
Simplify the return expression. Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -190,18 +190,13 @@ static int rpl_do_srh(struct sk_buff *skb, const struct rpl_lwt *rlwt)
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{
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struct dst_entry *dst = skb_dst(skb);
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struct rpl_iptunnel_encap *tinfo;
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int err = 0;
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if (skb->protocol != htons(ETH_P_IPV6))
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return -EINVAL;
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tinfo = rpl_encap_lwtunnel(dst->lwtstate);
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err = rpl_do_srh_inline(skb, rlwt, tinfo->srh);
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if (err)
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return err;
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return 0;
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return rpl_do_srh_inline(skb, rlwt, tinfo->srh);
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}
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static int rpl_output(struct net *net, struct sock *sk, struct sk_buff *skb)
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