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>

diff --git a/net/ipv6/rpl_iptunnel.c b/net/ipv6/rpl_iptunnel.c
index 233da43..ff691d9 100644 (file)
--- a/net/ipv6/rpl_iptunnel.c
+++ b/net/ipv6/rpl_iptunnel.c
@@ -190,18 +190,13 @@ static int rpl_do_srh(struct sk_buff *skb, const struct rpl_lwt *rlwt)
 {
        struct dst_entry *dst = skb_dst(skb);
        struct rpl_iptunnel_encap *tinfo;
-       int err = 0;
 
        if (skb->protocol != htons(ETH_P_IPV6))
                return -EINVAL;
 
        tinfo = rpl_encap_lwtunnel(dst->lwtstate);
 
-       err = rpl_do_srh_inline(skb, rlwt, tinfo->srh);
-       if (err)
-               return err;
-
-       return 0;
+       return rpl_do_srh_inline(skb, rlwt, tinfo->srh);
 }
 
 static int rpl_output(struct net *net, struct sock *sk, struct sk_buff *skb)