[RFC PATCH] ipv6: sr: seg6_make_flowlabel() can be static

[kbuild test robot]

Fixes: 484c5b41c685 ("ipv6: sr: Compute flowlabel of outer IPv6 header for seg6 
encap mode")
Signed-off-by: Fengguang Wu <fengguang...@intel.com>
---
 seg6_iptunnel.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c
index bf76c59..d2ff788 100644
--- a/net/ipv6/seg6_iptunnel.c
+++ b/net/ipv6/seg6_iptunnel.c
@@ -92,8 +92,8 @@ static void set_tun_src(struct net *net, struct net_device 
*dev,
 }
 
 /* Compute flowlabel for outer IPv6 header */
-__be32 seg6_make_flowlabel(struct net *net, struct sk_buff *skb,
-                          struct ipv6hdr *inner_hdr)
+static __be32 seg6_make_flowlabel(struct net *net, struct sk_buff *skb,
+                                 struct ipv6hdr *inner_hdr)
 {
        int do_flowlabel = net->ipv6.sysctl.seg6_flowlabel;
        __be32 flowlabel = 0;