The lorawan module is an abastraction layer over the LoRaWAN soft and
hard MAC.  It passes the original buffer to the real MAC layer.  So,
this patch removes the lrw_dev_hard_header function.

Signed-off-by: Jian-Hong Pan <starni...@g.ncu.edu.tw>
---
 net/lorawan/socket.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/net/lorawan/socket.c b/net/lorawan/socket.c
index 0ec2d2bf1682..9c0722379e25 100644
--- a/net/lorawan/socket.c
+++ b/net/lorawan/socket.c
@@ -115,14 +115,6 @@ dgram_bind(struct sock *sk, struct sockaddr *uaddr, int 
len)
        return ret;
 }
 
-static int
-lrw_dev_hard_header(struct sk_buff *skb, struct net_device *ndev,
-                   const u32 src_devaddr, size_t len)
-{
-       /* TODO: Prepare the LoRaWAN sending header here */
-       return 0;
-}
-
 static int
 dgram_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
 {
@@ -176,10 +168,6 @@ dgram_sendmsg(struct sock *sk, struct msghdr *msg, size_t 
size)
        skb_reserve(skb, hlen);
        skb_reset_network_header(skb);
 
-       ret = lrw_dev_hard_header(skb, ndev, 0, size);
-       if (ret < 0)
-               goto dgram_sendmsg_no_skb;
-
        ret = memcpy_from_msg(skb_put(skb, size), msg, size);
        if (ret > 0)
                goto dgram_sendmsg_err_skb;
-- 
2.20.1

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