[PATCH net-next] xfrm: Make function xfrm_dev_register static

[Wei Yongjun]

From: Wei Yongjun <weiyongj...@huawei.com>

Fixes the following sparse warning:

net/xfrm/xfrm_device.c:141:5: warning:
 symbol 'xfrm_dev_register' was not declared. Should it be static?

Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
---
 net/xfrm/xfrm_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 8ec8a3f..50ec733 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -138,7 +138,7 @@ bool xfrm_dev_offload_ok(struct sk_buff *skb, struct 
xfrm_state *x)
 }
 EXPORT_SYMBOL_GPL(xfrm_dev_offload_ok);
 
-int xfrm_dev_register(struct net_device *dev)
+static int xfrm_dev_register(struct net_device *dev)
 {
        if ((dev->features & NETIF_F_HW_ESP) && !dev->xfrmdev_ops)
                return NOTIFY_BAD;